Solutions Search - Precision ADCs (Fs < 10Msps)

DC2390A-A - LTC2500-32 Demo Board | 32-Bit Over-Sampling ADC Multi-Application Demoboard (req ArrowSoCKIT)

Feb 21st 2017
Demonstration circuit 2390A is a general-purpose test platform for prototyping and evaluating some of the key applications for the LTC2500 family of high resolution, oversampling ADCs. Assembly type A includes two LTC®2500-32, 32-bit oversampling ADCs with configurable digital filters, two LTC1668 16-bit, 50Msps DACs, analog ...

 

DC2222A-A - LTC2500-32 Demo Board | 32-Bit Over-Sampling ADC with Configurable Digital Filter (req DC590, DC2026 or DC890)

Feb 17th 2017
Demonstration circuit 2222A features the LTC2508-32 and LTC2512-24 ADCs. The LTC2508-32 and LTC2512-24 are low power, low noise, high speed, 32-bit/24-bit SAR ADCs with an integrated configurable digital averaging filter that operate from a single 2.5V supply. The following text refers to the LTC2508-32 but applies to both parts, ...

 

DC1410A-B - LTC2449 Demo Board | Load Cell Digitizer Application, req DC2026C

Feb 7th 2017
Demonstration circuit 1410A shows a compact, high resolution solution for measuring Wheatstone bridge type sensors for load, pressure, temperature, acceleration, and many other physical quantities. Assembly type B features the LTC2449, an 8-/16-channel, high speed, 24-bit Δ∑ ADC with ten selectable speed/resolution ...

 

DC1410A-A - LTC2498 Demo Board | Load Cell Digitizer Application, req DC2026C

Feb 7th 2017
Demonstration circuit 1410A shows a compact, high resolution solution for measuring Wheatstone bridge type sensors for load, pressure, temperature, acceleration, and many other physical quantities. Assembly type A features the LTC2498, an 8-/16-channel, 24-bit ΔΣ ADC with easy drive inputs. Key DC specifications ...

 

DC2365A-E - LTC2358-16 Demo Board | Buffered Octal, 16-Bit, 200ksps Simultaneous Sampling SAR ADC (req DC590, DC2026 or DC890)

Jan 31st 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 ...

 

Sharing a Reference Can Compromise Precision ADC Performance

Guy Hoover - Applications Engineer Jan 12th 2017
Precision ADCs available from Linear Technology offer a high level of performance. In order to attain that high performance many design elements such as a low noise power supply and reference, proper bypassing, a ground plane, a fast settling driver and a low jitter clock must be properly implemented. Poor execution of even ...

 

DC2071A-C - LTC2374-16 Demo Board | 16-Bit, 2Msps, 8-Channel SAR ADC with 96dB SNR (req DC590, DC2026 or DC890)

Dec 19th 2016
Demonstration circuit 2071A features the LTC®2373 family. The LTC2374/LTC2373/LTC2372 are low noise, high speed, 8-channel, 16/18-bit successive approximation register (SAR) ADCs. The following text refers to the LTC2373-18 but applies to all parts in the family, the only differences being the number of bits and the maximum ...

 

Fast 16-Bit 1.5Msps/Channel Octal Simultaneous Sampling SAR ADC Maintains AC Performance up to the Nyquist Frequency

Dec 14th 2016
MILPITAS, CA – December 14, 2016 – Linear Technology Corporation introduces the LTC2320-16, a 16-bit 1.5Msps per channel, no latency successive approximation register (SAR) ADC with eight simultaneously sampling channels supporting a rail-to-rail input common mode range. The LTC2320-16 features a flexible analog ...

 

DC2581A-A - LTC2341-18 Demo Board | Dual, 18-Bit, 666ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)

Dec 12th 2016
Demonstration circuit 2581A shows the proper way to drive the LTC®2341 ADC. The LTC2341 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2341 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...

 

DC2581A-B - LTC2341-16 Demo Board | Dual, 16-Bit, 666ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)

Dec 12th 2016
Demonstration circuit 2581A shows the proper way to drive the LTC®2341 ADC. The LTC2341 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2341 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...

 

DC2425A-F - LTC2310-12 Demo Board | 12-Bit, 2Msps True Differential Input Serial SAR ADC (Req DC890)

Dec 8th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...

 

DC2425A-D - LTC2310-14 Demo Board | 14-Bit, 2Msps True Differential Input Serial SAR ADC (Req DC890)

Dec 8th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...

 

DC2425A-B - LTC2310-16 Demo Board | 16-Bit, 2Msps True Differential Input Serial SAR ADC (Req DC890)

Dec 8th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...

 

DC2520A-B - LTC2344-16 Demo Board | Quad, 16-Bit, 400ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)

Nov 29th 2016
Demonstration circuit 2520A shows the proper way to drive the LTC®2344 ADC. The LTC2344 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2344 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...

 

DC2395A-A - LTC2320-16 Demo Board | Octal, 16-Bit, 1.5Msps/ch Simultaneous Sampling SAR ADC (req DC890)

Nov 10th 2016
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 ...

 

Combining Distributed Read with Chain Mode Using the LTC2380-24

Guy Hoover - Applications Engineer Oct 24th 2016
Distributed read allows the data of the LTC2380-24 collected over N samples to be read out over each of those samples one bit or a few bits at a time, reducing the frequency of SCK allowing even the relatively slow μcontrollers to keep up. Chain mode allows multiple LTC2380-24s to be daisy-chained together so that only three ...

 

DC2222A-C - LTC2512-24 Demo Board | 24-Bit Over-Sampling ADC with Configurable Digital Filter (req DC590, DC2026 or DC890)

Oct 14th 2016
Demonstration circuit 2222A features the LTC2508-32 and LTC2512-24 ADCs. The LTC2508-32 and LTC2512-24 are low power, low noise, high speed, 32-bit/24-bit SAR ADCs with an integrated configurable digital averaging filter that operate from a single 2.5V supply. The following text refers to the LTC2508-32 but applies to both parts, ...

 

Increase Spectral Resolution for the LTC2387-18 Demo Board - Part 2

Doug Stuetzle - Senior Analog Applications Engineer Oct 14th 2016
Introduction In Part 1 we designed and tested a lowpass + downsample structure that increased the spectral resolution of the DC2290A-A demonstration circuit for the LTC2387-18 high speed successive approximation register (SAR) ADC from 114Hz to 0.596Hz per bin. The average noise level per bin was ...

 

Increase Spectral Resolution for the LTC2387-18 Demo Board - Part 1

Doug Stuetzle - Senior Analog Applications Engineer Oct 14th 2016
Introduction The LTC2387-18 is a low noise, high speed, 18-bit 15Msps successive approximation register (SAR) ADC. The combination of excellent linearity and wide dynamic range makes the LTC2387-18 ideal for high speed imaging and instrumentation applications. No latency operation provides a unique solution ...

 

Distributed Read Examples for the LTC2512-24

Guy Hoover - Applications Engineer Oct 12th 2016
This article provides additional examples to more thoroughly explain the distributed read capability used in the LTC2512-24 24-bit over-sampling ADC with configurable flat passband digital filter. The data sheet explains that the data can be read over multiple conversions, that it allows for a slower serial clock and that transfers ...

 

DC2425A-E - LTC2311-12 Demo Board | 12-Bit, 5Msps True Differential Input Serial SAR ADC (Req DC890)

Sep 30th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...

 

DC2425A-C - LTC2311-14 Demo Board | 14-Bit, 5Msps True Differential Input Serial SAR ADC (Req DC890)

Sep 30th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...

 

DC2520A-A - LTC2344-18 Demo Board | Quad, 18-Bit, 400ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)

Sep 23rd 2016
Demonstration circuit 2520A shows the proper way to drive the LTC®2344 ADC. The LTC2344 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2344 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...

 

Consequences of Not Following the Data Sheet Bypass Recommendation

Guy Hoover - Applications Engineer Aug 8th 2016
I occasionally get customers who ask me to review their ADC schematics and often I will see that the values for the bypass capacitors for Vdd and Vref are smaller than the data sheet recommendations. Here is an experiment I would like to share to show why it is important to use the suggested bypassing values. The circuit of ...

 

Anti-Alias Filter for 24-bit ADC

Guy Hoover - Applications Engineer Aug 3rd 2016
For many ADC applications a simple RC filter at the buffer input will provide adequate anti-alias filtering. For applications that require a higher order filter an active filter is often used. The active component in that filter must have sufficient bandwidth, fast settling, low noise and low offset so that it doesn’t ...

 

32-Bit SAR ADC with Digitally Filtered & 1Msps No Latency Outputs

Aug 1st 2016
MILPITAS, CA – August 1, 2016 – Linear Technology Corporation introduces the LTC2508-32, an ultrahigh precision 32-bit successive approximation register (SAR) analog-to-digital converter (ADC). Many high performance applications, including data acquisition, industrial control and medical instrumentation, require ...

 

DC2222A-B - LTC2508-32 Demo Board | 32-Bit Over-Sampling ADC with Configurable Digital Filter (req DC590, DC2026 or DC890)

Jul 20th 2016
Demonstration circuit 2222A features the LTC2508-32 and LTC2512-24 ADCs. The LTC2508-32 and LTC2512-24 are low power, low noise, high speed, 32-bit/24-bit SAR ADCs with an integrated configurable digital averaging filter that operate from a single 2.5V supply. The following text refers to the LTC2508-32 but applies to both parts, ...

 

16­Bit, 5Msps SAR ADC with Wide Input Common Mode Range Simplifies Analog Front-­End Circuitry

May 24th 2016
MILPITAS, CA - May 24, 2016 - Linear Technology Corporation introduces the LTC2311-16, a 16-bit, 5Msps successive approximation register (SAR) analog-to-digital converter (ADC) with a wide rail-to-rail input common mode range. The LTC2311-16 features a flexible differential input that accepts analog signals up to the Nyquist ...

 

How to Drive the LTC2387 (Part 1): Signal Applications to 5MHz that Require Low Inter-Modulation Distortion

Derek Redmayne - Staff Scientist May 13th 2016
The biggest challenge in driving a 15Msps, 18-bit ADC with an 8Vp-p input range is the lack of integrated amplifiers with adequate bandwidth, low noise, and the required output excursion. There are low-noise, high-BW amplifiers than can produce 2VPP. There are low speed amplifiers than can produce 8VPP. For low distortion beyond ...

 

DC2290A-F - LTC2385-16 Demo Board | 16-Bit, 5Msps SAR ADC (Requires DC718 & DC2402 or DC2403)

Apr 18th 2016
Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The following ...

 

DC2290A-E - ​LTC2385-18 Demo Board | 18-Bit, 5Msps SAR ADC (Requires DC718 & DC2402 or DC2403)

Apr 18th 2016
Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The following ...

 

DC2290A-D - ​LTC2386-16 Demo Board | 16-Bit, 10Msps SAR ADC (Requires DC718 & DC2402 or DC2403)

Apr 18th 2016
Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The following ...

 

DC2290A-C - LTC2386-18 Demo Board | 18-Bit, 10Msps SAR ADC (Requires DC718 & DC2402 or DC2403)

Apr 18th 2016
Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The following ...

 

DC2412A-B - LTC2335-16 Demo Board | Octal, 16-Bit, 1Msps Multiplexed Input SAR ADC (req DC590, DC2026 or DC890)

Mar 17th 2016
Demonstration circuit 2412A shows the proper way to drive the LTC®2335 ADC. The LTC2335 is a low noise, high speed, 8-channel 16-/18-bit successive approximation register (SAR) ADC. The LTC2335 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a per-channel ...

 

DC2412A-A - LTC2335-18 Demo Board | Octal, 18-Bit, 1Msps Multiplexed Input SAR ADC (req DC590, DC2026 or DC890)

Mar 17th 2016
Demonstration circuit 2412A shows the proper way to drive the LTC®2335 ADC. The LTC2335 is a low noise, high speed, 8-channel 16-/18-bit successive approximation register (SAR) ADC. The LTC2335 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a per-channel ...

 

DC2326A-B - LTC2345-16 Demo Board | Octal, 16-Bit, 200ksps Simultaneous Sampling SAR ADC (req DC590, DC2026 or DC890)

Mar 14th 2016
Demonstration circuit 2326A shows the proper way to drive the LTC®2345 ADC. The LTC2345 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2345 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...

 

DC2326A-A - LTC2345-18 Demo Board | Octal, 18-Bit, 200ksps Simultaneous Sampling SAR ADC (req DC590, DC2026 or DC890)

Mar 14th 2016
Demonstration circuit 2326A shows the proper way to drive the LTC®2345 ADC. The LTC2345 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2345 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...

 

24-Bit 2Msps SAR ADC with Digital Filter Simplifies Your System

Raymond Perry - Design Engineer Feb 29th 2016
The LTC2380-24 is a versatile 24-bit SAR ADC that combines state-of-the-art performance at a sampling rate of 2Msps with flexibility and ease of use. In this video, we will describe two unique features of this device that will allow you to greatly simplify your system. A flexible integrated digital filter makes it easy to ...

 

18­-Bit, 8­-Channel Multiplexed SAR ADC with Independently Configurable Input Ranges

Feb 22nd 2016
MILPITAS, CA - February 22, 2016 - Linear Technology Corporation introduces the LTC2335-18, an 18-bit, 8-channel 1Msps multiplexed input successive approximation register (SAR) ADC with independently configurable input ranges. Each SoftSpan™ input can be software configured on a conversion-by-conversion basis to accept ...

 

DC2289A-B - LTC2368-24 Demo Board | 24-Bit, 1Msps Pseudo-Differential Input SAR ADC with Integrated Filter (req DC590, DC2026 or DC890)

Dec 23rd 2015
The LTC®2380-24 and LTC2368-24 are low power, low noise, high speed, 24-bit SAR ADCs with an integrated digital averaging filter that operates from a single 2.5V supply. The following text refers to the LTC2380-24 but applies to both parts, the only difference being that the LTC2380- 24 has fully differential inputs and ...

 

DC2290A-B - LTC2387-16 Demo Board | 16-Bit, 15Msps SAR ADC (Requires DC718 & DC2402 or DC2403)

Nov 4th 2015
Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The following ...

 

24-Bit 2Msps SAR ADC Achieves 145dB Dynamic Range

Nov 3rd 2015
MILPITAS, CA - November 3, 2015 - Linear Technology Corporation introduces the LTC2380-24, a breakthrough no latency 24-bit 2Msps successive approximation register (SAR) analog-to-digital converter (ADC). The LTC2380-24 features an integrated digital filter that averages 1 to 65,536 conversion results real time, dramatically improving ...

 

DC2289A-A - LTC2380-24 Demo Board | 24-Bit, 2Msps Fully Differential Input SAR ADC with Integrated Filter (req DC590, DC2026 or DC890)

Oct 23rd 2015
The LTC®2380-24 and LTC2368-24 are low power, low noise, high speed, 24-bit SAR ADCs with an integrated digital averaging filter that operates from a single 2.5V supply. The following text refers to the LTC2380-24 but applies to both parts, the only difference being that the LTC2380- 24 has fully differential inputs and ...

 

Simultaneously Digitize Eight High-Voltage Arbitrary Swing Signals

Micah O'Halloran - SAR ADC Design Section Lead Oct 21st 2015
Many common monitoring and control applications require multiple analog input signals to be simultaneously sampled and digitized, preserving time-domain correlation and frequency-domain phase relationships between the signals in the digital domain. The LTC2348-18 is designed specifically for these applications. The device ...

 

Low Power, Precision Op Amp Simplifies Driving of MUXed ADCs

Guy Hoover - Applications Engineer Oct 2nd 2015
Design Note 1034: Introduction The high speed op amps required to buffer a modern 16‑/18-bit analog-to-digital converter (ADC) typically dissipate as much power as the ADC itself, often with a maximum offset spec of about 1mV, well beyond that of the ADC. If multiple multichannel ADCs are required, the power dissipation can ...

 

15Msps, 18-Bit No Latency SAR ADC Provides 20dB SNR Improvement over Pipelined ADCs

Sep 29th 2015
MILPITAS, CA - September 29, 2015 - Linear Technology Corporation introduces the LTC2387-18, an ultrafast 15Msps, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) with no cycle latency and no pipeline delay. The LTC2387-18 digitizes wideband analog signals up to the Nyquist frequency with very ...

 

Injection-Lock a Wien-Bridge Oscillator

Glen Brisebois - Applications Engineer - Signal Conditioning Sep 22nd 2015
I recently had the opportunity to investigate a new micropower 6-MHz LTC6255 op amp driving a 12-bit, 250k sample/sec LTC2361 ADC. I wanted to acquire the FFT of a pure sinusoid of about 5 kHz. The problem is that getting the FFT of a pure sinusoid requires, well, a pure sinusoid. Most programmable signal generators, however, ...

 

DC2290A-A - LTC2387-18 Demo Board | 18-Bit, 15Msps SAR ADC (Requires DC718 & DC2402 or DC2403)

Sep 17th 2015
Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The following ...

 

DC2094A-D - LTC2348-16 Demo Board | Octal, 16-Bit, 200ksps Simultaneous Sampling SAR ADC (req DC590, DC2026 or DC890)

Aug 31st 2015
Demonstration circuit 2094A shows the proper way to drive the LTC®2348 family of ADCs. The LTC2348/LTC2347/LTC2343 are low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADCs. The following text refers to the LTC2348-18 but applies to all parts in the family, the only differences ...

 

Micropower Op Amp Drives 8-Channel 18-Bit Simultaneous Sampling ADC without Compromising Accuracy or Breaking the Power Budget

Guy Hoover - Applications Engineer Jun 23rd 2015
Design Note 541: Introduction The op amps used to drive 18-bit analog-to-digital converters (ADCs) typically draw as much supply current as the ADC itself, often with a maximum offset spec that is well above that of the ADC. If multiple ADC channels are required, the power dissipation from these drivers quickly rises to unacceptable ...

 

Octal, Simultaneous Sampling ADC Achieves True 18-Bit Performance with Unprecedented Flexibility

Jun 9th 2015
MILPITAS, CA - June 9, 2015 - Linear Technology Corporation introduces the LTC2348-18, an 18-bit, 8-channel simultaneous sampling successive approximation register (SAR) ADC with industry-leading performance and flexibility. While converting eight channels at 200ksps per channel throughput, each SoftSpan™ input can be independently ...

 

DC2071A-E - LTC2372-16 Demo Board | 16-Bit, 500ksps, 8-Channel SAR ADC with 96dB SNR (req DC590, DC2026 or DC890)

Jun 8th 2015
Demonstration circuit 2071A features the LTC®2373 family. The LTC2374/LTC2373/LTC2372 are low noise, high speed, 8-channel, 16/18-bit successive approximation register (SAR) ADCs. The following text refers to the LTC2373-18 but applies to all parts in the family, the only differences being the number of bits and the maximum ...

 

DC2071A-D - LTC2373-16 Demo Board | 16-Bit, 1Msps, 8-Channel SAR ADC with 96dB SNR (req DC590, DC2026 or DC890)

Jun 8th 2015
Demonstration circuit 2071A features the LTC®2373 family. The LTC2374/LTC2373/LTC2372 are low noise, high speed, 8-channel, 16/18-bit successive approximation register (SAR) ADCs. The following text refers to the LTC2373-18 but applies to all parts in the family, the only differences being the number of bits and the maximum ...

 

Sometimes You Need a Little Gain Part 2

Guy Hoover - Applications Engineer Apr 28th 2015
Introduction Part 1 of "Sometimes You Need a Little Gain" dealt with a pseudo-differential ADC driver with gains of one to ten. This time a fully differential ADC driver, again with gains of one to ten will be described. First a brief recap on the LTC2373-18 SAR ADC and a description of the LTC6237 op amp which will be ...

 

Sometimes You Need a Little Gain - Part 1

Guy Hoover - Applications Engineer Apr 9th 2015
Introduction The LTC2373-18 is an 18-bit, 1Msps, 8-channel SAR ADC with an integrated high performance reference and programmable sequencer. The LTC2373-18 can be configured to accept both pseudo-differential (unipolar and bipolar) and fully differential input signals. For best performance, an op amp should ...

 

Multiple LTC2315-12 ADCs Share SPI Bus

Guy Hoover - Applications Engineer Mar 18th 2015
The data sheet doesn’t always show everything you need to know about using a part. For example, a common application when using multiple serial ADCs is to share the clock and data output lines to simplify the interface to the processor/ FPGA. The data sheet for the LTC2315-12 12-bit 5Msps, SPI compatible ADC with an integrated ...

 

18-Bit, 1Msps, 8-Channel Multiplexed SAR ADC with Sequencer Combines Performance & Configurability

Feb 12th 2015
MILPITAS, CA - February 12, 2015 - Linear Technology Corporation introduces the LTC2373-18, an 8-channel, 18-bit, 1Msps successive approximation register (SAR) ADC with exceptional 100dB SNR performance. The LTC2373-18 is equipped with a programmable sequencer that can store up to 16 control words for configuring the multiplexer ...

 

DC2126A - High-Accuracy Wireless Temperature Sensor with Solar Battery Life Extender

Aug 12th 2014
The DC2126A is a high-accuracy wireless temperature sensor, powered from ambient light, built using Linear Technology integrated circuits. A 24-bit delta-sigma ADC reads a thermistor biased from a precision voltage reference. A switching power supply harvests energy from the built-in solar panel, and automatically switches ...

 

DC1996A-F - LTC2321-12 Demo Board | Dual, 12-Bit, 2Msps True Differential Input Serial SAR ADC (Req. DC890)

Aug 11th 2014
Demonstration circuit 1996A features the LTC®2323 family. With up to 5Msps, these differential, dual channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 28-lead QFN package. The LTC2323 family has an internal 20ppm/°C reference and an SPI-compatible serial interface that ...

 

DC1996A-E - LTC2323-12 Demo Board | Dual, 12-Bit, 5Msps True Differential Input Serial SAR ADC (Req. DC890)

Aug 11th 2014
Demonstration circuit 1996A features the LTC®2323 family. With up to 5Msps, these differential, dual channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 28-lead QFN package. The LTC2323 family has an internal 20ppm/°C reference and an SPI-compatible serial interface that ...

 

DC1996A-D - LTC2321-14 Demo Board | Dual, 14-Bit, 2Msps True Differential Input Serial SAR ADC (Req. DC890)

Aug 11th 2014
Demonstration circuit 1996A features the LTC®2323 family. With up to 5Msps, these differential, dual channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 28-lead QFN package. The LTC2323 family has an internal 20ppm/°C reference and an SPI-compatible serial interface that ...

 

DC1996A-C - LTC2323-14 Demo Board | Dual, 14-Bit, 5Msps True Differential Input Serial SAR ADC (Req. DC890)

Aug 11th 2014
Demonstration circuit 1996A features the LTC®2323 family. With up to 5Msps, these differential, dual channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 28-lead QFN package. The LTC2323 family has an internal 20ppm/°C reference and an SPI-compatible serial interface that ...

 

DC1996A-B - LTC2321-16 Demo Board | Dual, 16-Bit, 2Msps True Differential Input Serial SAR ADC (Req. DC890)

Aug 11th 2014
Demonstration circuit 1996A features the LTC®2323 family. With up to 5Msps, these differential, dual channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 28-lead QFN package. The LTC2323 family has an internal 20ppm/°C reference and an SPI-compatible serial interface that ...

 

Driving the LTC2323-16 with +/-10V Input Signals

Jul 22nd 2014
Here is a driver circuit for the LTC2323-16 dual 16-bit differential input ADC. This circuit accepts a single-ended +/-10V signal and converts it to a differential +/-4.096V signal which is optimal for the LTC2323-16 using a 5V supply. The driver circuit is shown in Figure 1. This circuit has an SNR of 82dBFS (Add full ...

 

DC1908A-I - LTC2326-16 Demo Board | 16-Bit, 250ksps, Single-Ended SAR ADC with True Bipolar +/-10V Inputs. Req DC590 or DC718

Jul 2nd 2014
The LTC®2338/LTC2337/LTC2336/LTC2328/LTC2327/ LTC2326 are true bipolar, low power, low noise ADCs with serial outputs that can operate from a single 5V supply. The following text refers to the LTC2338-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The ...

 

DC1908A-F - LTC2326-18 Demo Board | 18-Bit, 250ksps, Single-Ended SAR ADC with True Bipolar +/-10V Inputs. Req DC590 or DC718

Jul 2nd 2014
The LTC®2338/LTC2337/LTC2336/LTC2328/LTC2327/ LTC2326 are true bipolar, low power, low noise ADCs with serial outputs that can operate from a single 5V supply. The following text refers to the LTC2338-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The ...

 

DC1908A-H - LTC2327-16 Demo Board |16-Bit, 500ksps, Single-Ended SAR ADC with True Bipolar +/-10V Inputs. Req DC590 or DC718

Jun 27th 2014
The LTC®2338/LTC2337/LTC2336/LTC2328/LTC2327/ LTC2326 are true bipolar, low power, low noise ADCs with serial outputs that can operate from a single 5V supply. The following text refers to the LTC2338-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The ...

 

DC1908A-E - LTC2327-18 Demo Board |18-Bit, 500ksps, Single-Ended SAR ADC with True Bipolar +/-10V Inputs. Req DC590 or DC718

Jun 27th 2014
The LTC®2338/LTC2337/LTC2336/LTC2328/LTC2327/ LTC2326 are true bipolar, low power, low noise ADCs with serial outputs that can operate from a single 5V supply. The following text refers to the LTC2338-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The ...

 

DC1908A-G - LTC2328-16 Demo Board |16-Bit, 1Msps, Single-Ended SAR ADC with True Bipolar +/-10V Inputs. Req DC590 or DC718

Jun 27th 2014
The LTC®2338/LTC2337/LTC2336/LTC2328/LTC2327/ LTC2326 are true bipolar, low power, low noise ADCs with serial outputs that can operate from a single 5V supply. The following text refers to the LTC2338-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The ...

 

Terasic C5G Cyclone V GX Starter Kit

Jun 20th 2014
The Cyclone V Starter Kit presents a robust hardware design platform built around the Altera Cyclone V GX FPGA, which is optimized for the lowest cost and power requirement for transceiver applications with industry-leading programmable logic for ultimate design flexibility. With Cyclone V FPGAs, you can get the power, cost, ...

 

DC2135A - LTC2378-20 and LT1468 Demo | Converts ±10V Single-Ended Signal with 2ppm Linearity (req. DC590 or DC890)

Apr 17th 2014
Demonstration circuit 2135A shows a simple DC accurate ADC driver circuit that converts a ±10V single-ended input signal into a fully differential signal capable of driving the LTC2378-20 with a combined linearity error of only 2ppm. The LTC2378-20 is a low power, low noise 20-bit SAR ADC with a serial output that operates ...

 

LTspice: SAR ADC Driver Interface

Kris Lokere - Strategic Applications Manager Apr 3rd 2014
  High-performance SAR ADCs can offer amazing dynamic range and linearity at faster and faster sample rates. But how do you design the amplifier and interface at the analog inputs? LTspice IV can help. This video shows how to use LTspice to simulate the analog input interface of high-performance SAR ADCs. We will look ...

 

Driver for 14-Bit, 4.5Msps ADC Operates Over a Wide Gain Range

Guy Hoover - Applications Engineer Apr 3rd 2014
Introduction The LTC2314-14 is a 14-bit, 4.5Msps, serial output ADC with an integrated high performance reference. The single-ended input of the LTC2314-14 is easy to drive and in many instances does not require a buffer. A driver, such as the LT6236 op amp, may be required for a signal that is small or has high output impedance. ...

 

Digital Gain Compression (DGC) for SAR ADCs

Mar 11th 2014
The LTC2378-20 offers a digital gain compression (DGC) feature which defines the full-scale input swing to be between 10% and 90% of the ±VREF analog input range. This feature allows the SAR ADC driver to be powered off of a single positive supply since each input swings between 0.5V and 4.5V as shown in the figure below. Needing ...

 

A Low Jitter Clock is Required to Evaluate High Resolution ADCs

Guy Hoover - Applications Engineer Mar 3rd 2014
“How bad can the ADC clock be and still get good SNR results?” I’ve never been asked this question directly by a customer but I do periodically get asked about using clock sources that are not appropriate for high resolution ADCs. Usually it involves a function generator which can have jitter up to 1nsRMS. ...

 

Fast 16-bit 5Msps Dual SAR ADC Offers Flexible Differential Inputs with Wide Common Mode Range

Feb 24th 2014
MILPITAS, CA - February 24, 2014 - Linear Technology Corporation introduces the LTC2323-16, a dual 16-bit 5Msps simultaneous sampling, successive approximation register (SAR) ADC with flexible differential inputs. The LTC2323-16 supports a wide input common mode range and simplifies system-level design by relaxing the signal ...

 

DC1908A-D - LTC2328-18 Demo Board | 18-Bit, 1Msps, Single-Ended SAR ADC with True Bipolar +/-10V Inputs. Req DC590 or DC718

Feb 12th 2014
The LTC®2338/LTC2337/LTC2336/LTC2328/LTC2327/ LTC2326 are true bipolar, low power, low noise ADCs with serial outputs that can operate from a single 5V supply. The following text refers to the LTC2338-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The ...

 

DC1996A-A - LTC2323-16 Demo Board | Dual, 16-Bit, 5Msps True Differential Input Serial SAR ADC (Req. DC890)

Feb 10th 2014
Demonstration circuit 1996A features the LTC®2323 family. With up to 5Msps, these differential, dual channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 28-lead QFN package. The LTC2323 family has an internal 20ppm/°C reference and an SPI-compatible serial interface that ...

 

DC Accurate Driver for the LTC2377-20 Achieves 2ppm Linearity

Guy Hoover - Applications Engineer Jan 10th 2014
Introduction As resolution and sample rates continue to rise for analog-to-digital converters (ADCs), the driver circuitry for the ADC analog input, not the ADC itself, has increasingly become the limiting factor in determining overall circuit accuracy. First, the driver circuitry must buffer the input signal and provide gain. ...

 

Level Shifting a Low Distortion Sine Wave

Guy Hoover - Applications Engineer Jan 8th 2014
When evaluating the performance of a SAR ADC it is frequently necessary to level shift the output of your signal source to conform to the ADC input range requirements. Typically your choices are to use the DC offset of the signal source if that is an option on your generator or AC couple the signal source output. Generator DC ...