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Solutions Search - Space and Harsh Environment

DC2369A - Precision Ultralow Power High Side Current Sense

Catherine Chang - Applications Engineer Sep 19th 2017
Design Note 1045: Introduction Precision high side measurement of microamp currents requires a small value sense resistor and a low offset voltage, ultralow-power amplifier. The LTC®2063 zero-drift amplifier has a maximum input offset voltage of just 5µV and draws just 1.4µA making it a great choice for building ...

Blog Post 

 

DC2542A - LTC2358-18, LTM2893, ADA4522-1, LT6658 Demo Board | Isolated Industrial Data Acquisition Board (req ArrowSoCkit)

Sep 15th 2017
Demonstration circuit 2542A is a reference design for robust industrial data acquisition applications based on the LTC2358-18. The LTC2358-18 is capable of high voltage measurements with a large input common range; however, the DC2542A implements input protection that allows up to 400V of continuous input protection. Combined ...

Demo Board LinearLabTools 

 

DC2537A - LTC7000EMSE Demo Board | Protected High Side NMOS Driver; VIN up to 135V, IOUT up to 5.5A

Sep 14th 2017
Demonstration circuit 2537A is a 135V protected, high side switch featuring the LTC®7000. The demo board is designed to switch a 5.5A output load from input voltages from 8V to 135V. The wide input range and low shutdown current (1µA typical) make it suitable for automotive, industrial, medical instrument and telecom ...

Demo Board 

 

Converting a Low Distortion Single-Ended Sine Source to Fully Differential

Guy Hoover - Applications Engineer Sep 10th 2017
Customers looking for a way to evaluate ADCs with differential inputs will find themselves in need of a low distortion, low noise differential sine source. Single-ended sine sources can be obtained by building a simple Wien-bridge oscillator or by employing any of several readily available audio oscillators. Differential sine ...

Blog Post 

 

DC2456A - LTC3779EFE Demo Board | 16V ≤ VIN ≤ 120V, VOUT = 48V @ 10A at up to 99% Efficiency

Sep 10th 2017
Demonstration circuit 2456A is a high voltage, high efficiency synchronous buck-boost DC/DC converter with a 16V to 120V input voltage range. It can supply a 10A maximum load current with a 48V output. The demo board features the LTC®3779EFE controller. The constant frequency current mode architecture allows a phase-lockable ...

Blog Post 

 

Fast 60V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Sep 7th 2017
MILPITAS, CA and NORWOOD, MA – September 7, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7004, a high speed, high side N-channel MOSFET driver that operates up to a 60V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

Press Release 

 

DC2575A - LT8391AIFE Demo Board | 60V, 2MHz Synchronous Buck-Boost LED Driver Controller

Sep 5th 2017
Demonstration circuit DC2575A is a 60V 2MHz synchronous buck-boost LED driver featuring the LT8391A. It accepts an input voltage from 4V to 60V and drives a single string of LEDs up to 16V at 1.5A. DC2575A runs at 2MHz switching frequency without spread spectrum, but spread spectrum frequency modulation (SSFM) can be enabled ...

Demo Board 

 

150V Synchronous Buck-Boost Controller Eliminates Surge Protection Devices & Delivers Up to 99% Efficiency

Sep 5th 2017
MILPITAS, CA and NORWOOD, MA – September 5, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3779, a high efficiency (up to 99%) 4-switch single inductor synchronous buck-boost DC/DC controller that operates from input voltages above, below or equal to the regulated ...

Press Release 

 

DC2073B-H - LTC6906 Silicon Oscillator Demo Board

Sep 1st 2017
DC2073B demo board features Linear Technology's SOT23 packaged silicon oscillators. The DC2073B demo board is available in eleven different options; DC2073B-A through DC2073B-K. These eleven options provide for the evaluation of resistor-set oscillator ICs and fixed frequency ICs (Table1). ...

Demo Board 

 

LTC6258 Low Noise Reference Use LT6656 for a Low Current Starting Reference

Aug 30th 2017
The LT6656 is a 1µA precision series voltage reference. Yet with low power comes low drive current capability and higher noise. The LTC6259 can be used as a buffer that follows a filter to enhance the utilization of the LT6656 in low power applications. Figure 5a shows such a configuration. First a very low cutoff frequency ...

Circuit LTspice 

 

LTC6258 Low Power Squarewave - Sinewave Oscillator

Aug 30th 2017
A low power sine wave generator can be derived by driving a square wave into the bandpass filter. A complete schematic is shown in Figure 4a. The LTC6992-1 easily configures as a 50% duty cycle 10kHz square wave, and can drive the relatively benign loading seen in the bandpass filter. Figures 4b and 4c show the LTC6992-1 output ...

Circuit LTspice 

 

LTC6258 LED Driver with Self-Oscillation

Aug 30th 2017
The circuit above combines edge detection with use of the shutdown pin of the LTC6259. R2 and R3 bring in a divided down copy of the supply voltage as a reference into the positive terminal. The op amp forces this voltage on the sense resistor RSENSE in “LED ON” operation. In that sense this circuit is similar to ...

Circuit LTspice 

 

LTC6258 Lower Power LED Driver with Voltage Command

Aug 30th 2017
Figure above shows a voltage controlled LED drive circuit. When VIN is at 0V, the op amp supply current is nominally 20μA. The offset, for example, could be 450µV, appears across R1, inducing a 0.45mA current in the LED. Some applications want a guaranteed zero LED current at VIN = 0, and this is the purpose of R5. ...

Circuit LTspice 

 

DC2369A - DC2369A Low Power Wireless Current Sense

Aug 30th 2017
The DC2369A demo circuit is a reference design that implements a wireless current sense solution using Analog Device's low power integrated circuits. The only external connection needed is the current to be measured, allowing this circuit to be inserted at any voltage level or isolation level. The design combines components ...

Demo Board 

 

60V 2MHz Buck-Boost Controllers Regulate High Power Voltage and Current with High Efficiency and Low EMI

Keith Szolusha - Applications Engineering Section Leader Aug 24th 2017
Design Note DN567: Introduction Synchronous buck-boost controllers are versatile and highly efficient. They can produce high power as both a boost and a buck with a single inductor, keeping power supply design simple. Normally, a buck-boost controller in a high power application is operated at a standard or low switching frequency, ...

Blog Post 

 

DC2424A - LT3964 Demo Board | VIN = 5V to 36V driving two separate LED strings (1ALED/~3.6VLED) at 2MHz

Aug 22nd 2017
The DC2424A is a 36V synchronous dual LED driver with I 2C featuring the LT®3964. It drives two separate LEDs (or channels of LEDs) at 1A when VIN is between 5V and 36V. DC2424A runs at 2MHz switching frequency. Its two channels can drive separate LED strings which can have different currents, voltages, or dimming ratios. ...

Demo Board 

 

2A, 2MHz, 60V Boost/SEPIC/Inverter DC/DC Converter with IQ = 9μA

Aug 21st 2017
MILPITAS, CA and NORWOOD, MA – August 21, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8362, a current mode, 2MHz step-up DC/DC converter with an internal 2A, 60V switch. It operates from an input voltage range of 2.8V to 60V, suitable for applications with input ...

Press Release 

 

DC1669B - LTM4627EV 15A Step‐Down μModule Regulator

Aug 18th 2017
Demonstration circuit 1669 features the LTM®4627EV μModule regulator, a high‐performance high efficiency step‐down regulator. The LTM4627EV has an operating input voltage range of 4.5V to 20V and is able to provide an output current of up to 15A. The output voltage is programmable from 0.6V to 5V and can be remotely ...

Demo Board 

 

105V, 2.3A Low-EMI Synchronous Step-Down Regulator

Charles Hawkes - Design Aug 16th 2017
Today, many electronic systems require power processing at higher voltages, while simultaneously demanding increased efficiency and low EMI/EMC emissions. The LTC7103 meets all of these challenges, with an unprecedented combination versatility and simplicity. The LTC7103 is a 105V, 2.3A, synchronous step-down regulator that ...

Video 

 

DC2628A - LT8362 Demo Board | VIN = 10V to 36V with VOUT= 48V at 280mA to 1000mA

Aug 8th 2017
Demo circuit 2628A features the LT®8362 in boost configuration. The converter is designed to convert a 10V to 36V source to 48V at 280mA to 1000mA, depending on input voltage, and with a switching frequency of 2MHz. Please refer to Figure 4 for load current versus input voltage.    ...

Demo Board LTspice 

 

Simple Power Backup Supply for a 3.3V Rail

Victor Khasiev - Applications Engineer Aug 8th 2017
Design Note DN565: Introduction Data loss is a concern in telecom, industrial and automotive applications where embedded systems require a dependable supply of power. Sudden power interruptions can corrupt data during read and write operations performed by hard drives and flash memory. Designers often use batteries, capacitors ...

Blog Post 

 

DC2285A - LT8705AEUHF Demo Board | VIN = 36V to 75V, VOUT = 48V @18A

Aug 4th 2017
Demonstration circuit 2285A features two high power high performance buck-boost LT®8705A converters operating in master-slave configuration. The circuit can operate with input voltages above, below or equal to the output voltage. The demo board input range is 36V to 75V. The output is optimized for 48V at 18A, with the output ...

Demo Board 

 

DC2466A - LTC3246 Demo Board | Wide VIN Range Buck-Boost Charge Pump with Watchdog Timer

Aug 4th 2017
Demonstration circuit 2466A is a buck-boost 500mA charge pump with pin selectable output voltages and includes a watchdog timer featuring the LTC®3246EMSE. The LTC3246 operates with a wide input voltage range from 2.7V to 38V and is engineered for diagnostic coverage for ISO 262262 compliant systems. The wide VIN operating ...

Demo Board 

 

DC2395A-I - LTC2325-12 Demo Board | Quad, 12-Bit, 5Msps/ch Simultaneous Sampling SAR ADC (req DC890)

Aug 4th 2017
Demonstration circuit 2395A features the LTC®2325/ LTC2324/LTC2320 family. With up to 5Msps, these differential, multiple channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 52-lead QFN package. Each ADC has an internal 20ppm/°C maximum drift reference and an SPI-compatible ...

Demo Board PScope 

 

DC2395A-F - LTC2325-14 Demo Board | Quad, 14-Bit, 5Msps/ch Simultaneous Sampling SAR ADC (req DC890)

Aug 4th 2017
Demonstration circuit 2395A features the LTC®2325/ LTC2324/LTC2320 family. With up to 5Msps, these differential, multiple channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 52-lead QFN package. Each ADC has an internal 20ppm/°C maximum drift reference and an SPI-compatible ...

Demo Board PScope 

 

DC2395A-C - LTC2325-16 Demo Board | Quad, 16-Bit, 5Msps/ch Simultaneous Sampling SAR ADC (req DC890)

Aug 4th 2017
Demonstration circuit 2395A features the LTC®2325/ LTC2324/LTC2320 family. With up to 5Msps, these differential, multiple channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 52-lead QFN package. Each ADC has an internal 20ppm/°C maximum drift reference and an SPI-compatible ...

Demo Board PScope 

 

LTC2063 Micropower Precision Oxygen Sensor

Jul 27th 2017
This low power precision gas sensor circuit operates in an oxygen level range of 0% to 30%, with a nominal output of 1V in normal atmospheric oxygen concentrations (20.9%) when the gas sensor has been fully initialized. Total active power consumption is less than 2.1μA on a single rail supply. Since ...

Circuit LTspice 

 

LTC2063 RTD Sensor with ±1°C Precision

Jul 27th 2017
This low power platinum resistance temperature detector (RTD) sensor circuit draws only 35μA total supply current on a minimum 2.6V rail, and is accurate to within ±1°C at room temperature, including all error intrinsic to the Vishay PTS Class F0.3 Variant RTD. It covers the temperature ...

Circuit LTspice 

 

105V, 2.3A Synchronous Step-Down Regulator Delivers 96% Efficiency with Ultralow EMI/EMC Emissions

Jul 17th 2017
MILPITAS, CA and NORWOOD, MA – July 17, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7103, a 2.3A, 105V input capable synchronous step-down switching regulator. Its wide 4.4V to 105V input voltage range is designed for operation from a continuously high voltage ...

Press Release 

 

DC2365A-H - LTC2333-16 Demo Board | Buffered Octal, 16-Bit, 800ksps Mux'd SAR ADC (req DC590, DC2026 or DC890)

Jul 14th 2017
Demonstration circuit 2365A highlights the LTC®2358 family of buffered input ADCs. The LTC2358/LTC2357/ LTC2353/LTC2333 are low noise, high speed, 16-/18bit successive approximation register (SAR) ADCs with integrated front end buffers. These ADCs accept a wide common mode range. Pico-amp inputs and high CMRR enable these ...

Demo Board Linduino PScope QuikEval System 

 

DC2317A - LTC7103 Demo Board | VIN = 5V to 100V with VOUT = 5V at 2.3A @400kHz

Jul 13th 2017
Demonstration circuit 2317A is a 100V monolithic DC/ DC step-down regulator featuring the LTC®7103. The demo board is designed for a 5V/2.3A output from a 5V to 100V input at 400kHz switching frequency. The wide input range makes it suitable for automotive, industrial, medical instrument, and telecom applications. This buck ...

Demo Board 

 

Fast 60V Protected High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Jul 13th 2017
MILPITAS, CA and NORWOOD, MA – July 13, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7003, a high speed, high side N-channel MOSFET driver that operates up to a 60V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

Press Release 

 

36V, 2A Monolithic Synchronous Step-Down LED Driver with Silent Switcher Topology Minimizes EMI Concerns

Jul 11th 2017
MILPITAS, CA and NORWOOD, MA – July 11, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT3932, a monolithic, synchronous, step-down DC/DC converter with internal 36V, 2A power switches and an internal PWM generator. Its fixed frequency, peak current mode control ...

Press Release 

 

Micropower Zero-Drift Amplifier Improves Circuit Performance

Andrew Roberts - Design Engineer Jul 10th 2017
This video explores the superior performance achieved with the LTC2063 zero-drift amplifier in a wide variety of low power applications. The LTC2063 enables precision measurement at extremely low power levels. The LTC2063 operates from 1.7V to 5.25V and features a shutdown mode which is optimized for battery-powered and duty-cycled ...

Video 

 

Industry’s Lowest Power Zero-Drift Op Amp Consumes only 1.3μA

Jul 10th 2017
MILPITAS, CA and NORWOOD, MA – July 10, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC2063 zero-drift op amp which draws just 1.3μA typ (2μA max) on a 1.8V supply. This micropower amplifier maintains uncompromised precision: maximum input offset voltage ...

Press Release 

 

High Efficiency Solar MPPT Battery Charger Using LT8611 and AD5245

Perry Faubert - FAE Jul 10th 2017
Introduction Outdoor applications that use solar panels in the range of a few watts often use a microcontroller-based MPPT (Maximum Power Point Tracking)  function to extract the maximum power available over the full range of environmental operating conditions. Many microcontroller-based MPPT solutions designed for ...

Blog Post LTspice 

 

Fast 150V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Jul 6th 2017
MILPITAS, CA and NORWOOD, MA – July 6, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7001, a high speed, high side N-channel MOSFET driver that operates up to a 150V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

Press Release 

 

DC2641A - LTC7801EUFD Demo Board | Sync Buck Controller, 16V ≤ VIN ≤ 100V, VOUT = 12V @ 10A

Jul 5th 2017
Demonstration circuit 2641A is a single output synchronous buck converter featuring the LTC7801EUFD in the 24-lead QFN package. The input voltage range is from 16V to 100V and the output is 12V/10A. The DC2641A is configured with a sense resistor for overcurrent protection. Inductor DCR current sensing is optional.   ...

Demo Board 

 

DC961B - LT1994 Low Noise, Low Distortion, Fully Differential Amplifier/Driver

Jun 28th 2017
Demonstration circuit 961 features an LT®1994, low noise, low distortion, fully differential amplifier. The LT1994 is a high precision, very low noise, low distortion, fully differential input/output amplifier (see Table 1). The LT1994’s output common mode voltage is independent of the input common mode voltage, and ...

Demo Board 

 

Incredibly Rugged RS485 Transceiver Meets IEC Level 4 ESD Standard

Jun 28th 2017
MILPITAS, CA and NORWOOD, MA – June 28, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC2862A, an enhanced version of the widely accepted LTC2862 ±60V tolerant RS485/RS422 transceiver that released several years ago. Both of these half-duplex transceivers ...

Press Release 

 

DC2623A - LTC6404-1 + AD8002 ADC Driver Board | Low Distortion ADC Driver for LTC2387 family, Input Frequencies >1MHz

Jun 16th 2017
Demonstration circuit 2623A features the LTC6404-1 amplifier. The DC2623A includes two of these amplifiers and is designed to drive the inputs of the DC2290 demo board. The DC2290 features the LTC2387 18-bit, 15Msps high speed SAR ADC. The linearity and low noise of the LTC6404-1 make it an ideal candidate to drive the LTC2387 ...

Demo Board 

 

LT1997-3 - Single Supply Current Sense

Jun 14th 2017
Sense resistors R1 converts a current into a voltage. This voltage is buffered (gain of 1) from the input to the output in this amplifier. V1 tests the circuit for response to common mode variation. A simulation will show that the output voltage variation due to the common mode voltage V1 is very small.     The ...

Circuit LTspice 

 

LT1997-3 - Conversion of Single Ended Pulse To Differential Output

Jun 14th 2017
This circuit combines the LT®1997-3 with a high speed amplifier to convert a single-ended signal to differential with a common-mode offset. Extra compensation capacitors C1 and C2 help to shape the final response. Taking higher gain from the LT1997-3 will eliminate the need for these capacitors.     The LT1997-3 ...

Circuit LTspice 

 

2.7V to 38V/500mA Low Noise Buck-Boost Charge Pump Saves Space and Reduces EMI

Jun 12th 2017
MILPITAS, CA and NORWOOD, MA – June 12, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3246, a compact, low noise buck-boost charge pump with integrated watchdog timer capable of up to 500mA of output current. The LTC3246 uses multimode switched capacitor conversion ...

Press Release 

 

DC2583A - LT4294/LT4321 Demo Board | PoE++ (71W/37V-57V) PD and Ideal Diode Bridge

Jun 9th 2017
Demonstration circuit 2583 is an IEEE 802.3bt (Draft 2.3) compliant Power over Ethernet (PoE) powered device (PD). It features the LT®4294 PD interface controller and the LT4321 PoE ideal diode bridge controller.   ...

Demo Board 

 

Fast 150V Protected High Side Driver

Mark Mullen - Sr Design Engineer, Power Products Jun 9th 2017
The LTC7000 is a fast, protected, high side N-channel MOSFET gate driver that contains an internal charge pump allowing the external N-channel MOSFET to stay on indefinitely. The LTC7000 receives a low voltage digital input signal and can fully turn-on or turn-off a high-side N-channel MOSFET whose drain can be 135V above ...

Video 

 

150V Synchronous Step-Down DC/DC Controller Eliminates External Surge Protection Devices

Jun 8th 2017
MILPITAS, CA and NORWOOD, MA – June 8, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7801, a high voltage nonisolated synchronous step-down switching regulator controller in compact 24-lead packages that drives an all N-channel MOSFET power stage. Its 4V to 140V ...

Press Release 

 

LTspice: Worst-Case Circuit Analysis with Minimal Simulations Runs

Joseph Spencer - Field Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Jun 8th 2017
When designing a circuit in LTspice, you may wish to assess the impact of component tolerances. For example, the gain error introduced by non-ideal resistors in an op amp circuit. This article illustrates a method that reduces the number of simulations needed, and as a result speeds your time to results. Varying a Parameter LTSpice ...

Blog Post LTspice 

 

Low Frequency Noise Analysis for Sensor Signal Chains

Noe Quintero - Application Engineer Jun 7th 2017
Introduction High-resolution, low frequency measurements are easy to implement and perform. All that is needed is an in-depth understanding of everything in the signal chain and a consideration of every aspect of every component. In all seriousness, some considerations are needed in order to get the maximum system performance ...

Blog Post 

 

150V Fast High Side Protected N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Jun 7th 2017
MILPITAS, CA and NORWOOD, MA – June 7, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7000/-1, a high speed, high side N-channel MOSFET driver that operates up to a 150V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

Press Release 

 

DC2395A-G - LTC2320-12 Demo Board | Octal, 12-Bit, 1.5Msps/ch Simultaneous Sampling SAR ADC (req DC890)

May 31st 2017
Demonstration circuit 2395A features the LTC®2325/ LTC2324/LTC2320 family. With up to 5Msps, these differential, multiple channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 52-lead QFN package. Each ADC has an internal 20ppm/°C maximum drift reference and an SPI-compatible ...

Demo Board PScope 

 

DC2395A-D - LTC2320-14 Demo Board | Octal, 14-Bit, 1.5Msps/ch Simultaneous Sampling SAR ADC (req DC890)

May 31st 2017
Demonstration circuit 2395A features the LTC®2325/ LTC2324/LTC2320 family. With up to 5Msps, these differential, multiple channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 52-lead QFN package. Each ADC has an internal 20ppm/°C maximum drift reference and an SPI-compatible ...

Demo Board PScope 

 

DC2584A-A - LT4295/LT4321 Demo Board | PoE++ (71W/12V/5.5A) PD with Forward DC/DC and Ideal Diode Bridge

May 31st 2017
Demonstration circuit 2584A is an IEEE 802.3bt (Draft 2.1) compliant Power over Ethernet (PoE) Powered Device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller.   ...

Demo Board 

 

60V Low IQ Synchronous Step-Down Controller Operates at Up to 2.25MHz for High Power Density

May 31st 2017
MILPITAS, CA and NORWOOD, MA – May 31, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7800, a synchronous step-down DC/DC controller that operates at up to 2.25MHz for reduced circuit size and increased power density. Its low 45ns minimum on-time enables 24VIN ...

Press Release 

 

Low EMI Power Solutions and Electromagnetic Compatibility (EMC) Standards

Kevin B. Scott - Senior Strategic Marketing Engineer May 30th 2017
Low EMI Solutions and ElectromagneticCompatibility (EMC) Standards Many Linear Technology Power Products are compliant to a specific electromagnetic compatibility standard. The most commonly referenced standards are EN 55022, CISPR 22 Class B, FCC Part 15 Class B, and CISPR 25. When testing a power solution, there ...

Blog Post 

 

Lower Power Op Amp: Low Noise Reference, Utility Sine Wave

Catherine Chang - Applications Engineer
Philip Karantzalis - Senior Apps Eng
Aaron Schultz - Applications Manager Signal Conditioning
May 22nd 2017
Design Note DN1042: Introduction Our op amp family has expanded with industryleading speed versus supply current. The LTC®6258/ LTC6259/LTC6260 family (single, dual, quad) provides 1.3MHz at a super low 20μA supply current, with 400μV maximum offset voltage and rail-to-rail input and output. In combination with a ...

Blog Post 

 

Lower Power Op Amp: Utility Sine Wave

Aaron Schultz - Applications Manager Signal Conditioning
Philip Karantzalis - Senior Apps Eng
Catherine Chang - Applications Engineer
May 22nd 2017
Design Note DN564: Introduction Our op amp family has expanded with industryleading speed versus supply current. The LTC®6258/ LTC6259/LTC6260 family (single, dual, quad) provides 1.3MHz at a super low 20μA supply current, with 400μV maximum offset voltage and rail-to-rail input and output. In combination with a 1.8V ...

Blog Post 

 

LTC6261 Audio Headphones Bridge Driver

May 22nd 2017
The LTC®6261/LTC6262/LTC6263 are single/dual/quad operational amplifiers with low noise, low power, low supply voltage, and rail-to-rail inputs and outputs. They are unity gain stable with capacitive loads up to 1nF. They feature 30MHz gain-bandwidth product, 7V/μs slew rate while consuming only 240μA of supply current ...

Circuit LTspice 

 

IEEE 802.3bt PD Controller Offers 99% Efficiency

May 22nd 2017
MILPITAS, CA and NORWOOD, MA – May 22, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT4294 IEEE 802.3bt Powered Device (PD) interface controller for applications requiring up to 71W of delivered power. This new Power over Ethernet (PoE) standard – IEEE 802.3bt ...

Press Release 

 

DC2365A-D - LTC2333-18 Demo Board | Buffered Octal, 18-Bit, 800ksps Mux'd SAR ADC (req DC590, DC2026 or DC890)

May 19th 2017
Demonstration circuit 2365A highlights the LTC®2358 family of buffered input ADCs. The LTC2358/LTC2357/ LTC2353/LTC2333 are low noise, high speed, 16-/18- bit successive approximation register (SAR) ADCs with integrated front end buffers. These ADCs accept a wide common mode range. Pico-amp inputs and high CMRR enable these ...

Demo Board Linduino PScope QuikEval System 

 

Low Power Op Amp: Low Power Filter, Headphone Driver Revisited

Aaron Schultz - Applications Manager Signal Conditioning May 18th 2017
Design Note DN563: Introduction A new family of op amps features industry leading speed versus supply current. The LTC6261/LTC6262/ LTC6263 family (single, dual, quad) provides 30MHz at a low 240μA supply current, with 400μV maximum offset voltage and rail-to-rail input and output. In combination with 1.8V to 5.25V supply, ...

Blog Post 

 

No-Opto Flyback DC/DC Converters & Snubber Protection Circuits

Kevin B. Scott - Senior Strategic Marketing Engineer
George Qian - Senior Applications Engineer
May 2nd 2017
Flyback Solutions The flyback DC/DC converter topology is one of several topologies that allow the input voltage to be above or below the output voltage. The SEPIC and buck-boost topologies also allow this, but there are times when a flyback is the more desirable solution: namely when isolation is required (for noise immunity ...

Blog Post 

 

Wide Input Range, No RSENSE Current Mode Boost, Flyback & SEPIC Controller Operates up to 175°C

Apr 20th 2017
MILPITAS, CA and NORWOOD, MA – April 20, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC1871X, a wide input range, current mode, boost, flyback or SEPIC controller that drives an N-channel power MOSFET and requires few external components. Intended for low to ...

Press Release 

 

Buffered Octal ADC Inputs Simplify Sensor Interfaces

Andrew Thomas - Design Engineer Apr 19th 2017
Many systems using a precision analog-to- digital converter to digitize signals need some signal conditioning circuitry between the signal source and the ADC. In addition to its other functions, that circuitry must accurately drive the input of the ADC. The combined demands of performance and high speed to handle the ADC input ...

Video 

 

Buffered 18-Bit Octal ADC with Picoamp Inputs Shrinks Solution Size

Apr 17th 2017
MILPITAS, CA and NORWOOD, MA – April 17, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC2358-18, an 18-bit, 8-channel simultaneous sampling successive approximation register (SAR) ADC featuring integrated picoamp input buffers. With board real estate at a premium, ...

Press Release 

 

DC2365A-A - LTC2358-18 Demo Board | Buffered Octal, 18-Bit, 200ksps Simultaneous Sampling SAR ADC (req DC590, DC2026 or DC890)

Apr 7th 2017
Demonstration circuit 2365A highlights the LTC®2358 family of buffered input ADCs. The LTC2358/LTC2357/ LTC2353/LTC2333 are low noise, high speed, 16-/18- bit successive approximation register (SAR) ADCs with integrated front end buffers. These ADCs accept a wide common mode range. Pico-amp inputs and high CMRR enable these ...

Demo Board Linduino PScope QuikEval System 

 

60V Low IQ, Dual Output Synchronous Step-Down Controller with Adjustable Gate Drive

Victor Khasiev - Applications Engineer Mar 31st 2017
Design Note 562: Introduction The LTC®3892 is a dual output synchronous buck controller featuring a wide input voltage range of 4.5V to 60V and an output voltage of 0.8V to 99% of VIN. The combination of the LTC3892’s built-in FET drivers and external FETs yield high efficiency and high power capability, up to 97% ...

Blog Post 

 

100V, Bidirectional Multiphase Synchronous Buck or Boost Controller

Ding Li - Senior Power Applications Engineer, Power Products Mar 31st 2017
Current 12V automotive systems are reaching their 3kW power limit due to the ever-increasing demand for more electrical devices. A newly proposed standard, LV148, combines a secondary 48V bus with the existing 12V system. Benefits of this technology include increased available energy that allows for more electrical circuits ...

Video 

 

LT8310/LT1431 92W Isolated Forward Converter with Opto Feedback; VIN = 48V, VOUT = 54V@1.7A

George Qian - Senior Applications Engineer Mar 29th 2017
The LT8310 is a constant-frequency resonant reset forward converter controller with a low side N-channel MOSFET gate driver. The LT8310 has a wide input voltage range from 6V to 100V. Its switching frequency can be programed from 100kHz to 500kHz to optimize efficiency, performance or external component size. The LT8310’s ...

Blog Post Circuit LTspice 

 

DC2246B - LT3042EDD Demo Board | Ultralow Noise, Ultrahigh PSRR RF LDO, 3.8V ≤ VIN ≤ 20V, VOUT = 3.3V @ 200mA

Mar 28th 2017
DC2246B is a linear regulator demonstration circuit featuring the LT®3042EDD, which is a 200mA, ultralow noise, and ultrahigh power supply rejection ratio (PSRR) RF low dropout (LDO) regulator with programmable current limit. DC2246B operates over an input voltage range of 3.8V to 20V and is configured for 3.3V at its output. ...

Demo Board 

 

Low Noise Power Supplies Come in Many Flavors: Part 2 - Charge Pump Solutions

Kevin B. Scott - Senior Strategic Marketing Engineer
Amit Lele - Senior Design Engineer
Mar 23rd 2017
Charge pump solutions are often thought to be too noisy for low noise applications. Engineers associate charge pump power supplies with peak-to-peak noise levels in the 20mV to 200mV range. Linear Technology's latest family of regulated charge pump plus linear regulator power supply solutions are inductorless, small size, low ...

Blog Post 

 

Low Noise Power Supplies Come in Many Flavors: Part 1 - Linear Regulators

Kevin B. Scott - Senior Strategic Marketing Engineer Mar 23rd 2017
(In this three part series, we look at low noise portable power supplies using different topologies. Using a low noise linear regulator is a no-brainer for many of these applications, but in applications where a linear regulator may not be desired (due to efficiency, power dissipation or other constraints), low noise solutions ...

Blog Post 

 

Improving Linearity by Using Absorptive Filters

Clarence Mayott - Applications Engineer Mar 10th 2017
Introduction: When driving a direct sampling high speed ADC, the most likely place to degrade the performance is the interface between the final amplifier and the ADC. With any direct sampling ADC there will be nonlinear charge produced in the sampling process. This charge is reflected into the input network each time the sampling ...

Blog Post 

 

DC2418A-B - LTC4368-2 Demo Board | UV, OV, OC and Reverse Supply Protection with -3mV Reverse ECB

Mar 9th 2017
Demonstration circuit 2418A is intended to demonstrate the performance of the LTC®4368 100V undervoltage (UV), overvoltage (OV), and reverse protection controller with bidirectional circuit breaker. The LTC4368 protects circuits from overcurrent in both directions and from input voltages that may be too high, too low, or ...

Demo Board 

 

DC2418A-A - LTC4368-1 Demo Board | UV, OV, OC and Reverse Supply Protection with -50mV Reverse ECB

Mar 9th 2017
Demonstration circuit 2418A is intended to demonstrate the performance of the LTC®4368 100V undervoltage (UV), overvoltage (OV), and reverse protection controller with bidirectional circuit breaker. The LTC4368 protects circuits from overcurrent in both directions and from input voltages that may be too high, too low, or ...

Demo Board 

 

High Voltage, High Efficiency Positive to Negative Converter

Victor Khasiev - Applications Engineer Mar 8th 2017
Design Note 561: Introduction Positive to negative conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial machinery, semiconductor manufacturing process control equipment, measurement tools, testing systems, LED drivers and battery chargers. Many of these applications require ...

Blog Post 

 

100V No-Opto Flyback Regulator Operates at 150°C Delivering up to 24W & Producing up to a 1kV Output Voltage

Mar 6th 2017
MILPITAS, CA – March 6, 2017 – Linear Technology Corporation announces the H-grade versions of the LT8304/-1, monolithic flyback regulators with guaranteed operation for junction temperatures as high as 150°C. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires ...

Press Release 

 

Bidirectional Electronic Circuit Breaker Provides Comprehensive Protection Against Current & Voltage Faults

Mar 2nd 2017
MILPITAS, CA – March 2, 2017 – Linear Technology Corporation introduces the LTC4368, a circuit protection controller ensuring safe voltage and current levels for 2.5V to 60V electronics in battery-powered automotive, industrial and portable systems. The LTC4368 replaces fuses, transient voltage suppressors and discrete ...

Press Release 

 

Rail-to-Rail Op Amps Feature Precision & Power Efficiency

Feb 28th 2017
MILPITAS, CA – February 28, 2017 – Linear Technology introduces the LTC6258/59/60 and LTC6261/62/63, single/dual/quad op amps, extending its line of power efficient, low noise, precision operational amplifiers. These devices are part of a family of power efficient op amps ranging from 1.3MHz GBW product at 20µA ...

Press Release 

 

Quad 3A, Ultrathin uModule Regulator Fits on the Backside of PCB

Richard Ying - µModule® Regulator Design Engineer Feb 17th 2017
The LTM4643 is a quad output step-down µModule® (power module) regulator, configurable as a single output (12A), dual (6A & 6A or 9A & 3A), or quad (3A each) regulator in a 9mm x 15mm x 1.82mm ultrathin LGA package. This flexibility enables system designers to rely on one simple and compact µModule regulator ...

Video 

 

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