Solutions Search - Voltage References
Single-Ended to Differential Driver Circuit for the LTC2387-18 SAR ADC
Sep 26th 2016
The LTC®2387-18 is a 15Msps, highly linear, low-noise SAR converter with differential inputs. The combination of excellent linearity and wide dynamic range makes this ADC ideal for high speed imaging and instrumentation applications. No-latency operation provides a unique solution for high speed control loop applications. ...
High Accuracy, μPower, Over-Voltage Detector with Glitch Suppressor Using LTC1541 and LTC6994
May 4th 2016
An overvoltage detector which suppresses glitches is constructed from the LTC®1541 micropower op amp + comparator + voltage reference and LTC6994-1 TimerBlox® delay block/debouncer. In this circuit, the LTC1541 comparator detects power rail overvoltage conditions (including glitches). The built-in op amp inverts this ...
Altera Arria 10 SoC Development Kit
Oct 5th 2015
The Altera® Arria® 10 SoC Development Kit offers a quick and simple approach for developing custom ARM® processor-based SoC designs. Design productivity is one of the driving philosophies of the Arria 10 SoC architecture. The Arria 10 SoCs offers full software compatibility with previous generation ...
LT3753 9V-15V Input to 54V/3A Isolated Forward Converter
Feb 26th 2015
The LT®3753 is a primary side, current-mode PWM controller optimized for an active clamp forward converter topology. It features a programmable volt-second clamp that provides a duty cycle guardrail to limit primary switch reset voltage and prevent transformer saturation during load transients. The LT3753 also features ...
LT8310/LT1431 81 Watt Isolated Nonsynchronous Forward Converter with Opto Feedback
Jan 30th 2015
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 protection ...
LTC4000 48V to 10.8V at 10A Buck Converter 3-Cell LiFePO4 Battery Charger with 2.9h Termination Timer, 1.25A Trickle Charge Current and Charging PFET Thermal Protection
Sep 23rd 2014
The LTC®4000 is a high voltage, high performance controller that converts many externally compensated DC/DC power supplies into full-featured battery chargers.
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LT1431 5V Power Supply Monitor with ±500mVWindow and 50mV Hysteresis
Apr 15th 2010
The LT1431 is an adjustable shunt voltage regulator with 100mA sink capability, 0.4% initial reference voltage tolerance and 0.3% typical temperature stability. On-chip divider resistors allow the LT1431 to be configured as a 5V shunt regulator, with 1% initial voltage tolerance and requiring no additional external components. ...
LT2940 Adjustable 0W to 10W Load Box with UVLO and Thermal Shutdown
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
LT2940 28V Power to Frequency Converter
Nov 30th 2009
In some environments isolation is necessary for safety or noise reasons. The circuit above shows a power-to-frequency converter using the LT2940. The PMON output alternately charges and discharges a film capacitor, C5. When the voltage on C5 charges to the upper threshold on hysteretic comparator LTC1440, its output flips ...
LT2940 1-Cell Monitor with Bottom-Side Sense
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
Precision ±10V Reference
Jan 1st 1998
A precision 6.9V reference can be scaled up to +10V and then inverted with a precision -1 gain stage to provide symmetrical +/-10V reference voltages. The 3.3K resistor feeding back to the + input of the non inverting amplifier maintains a constant 1mA of current to bias the zener reference device. ...
Pilot Light Flame Detector with Low-Battery Lockout using a Type R Thermocouple
Sep 22nd 1997
The LTC1541 combine a micropower amplifier, comparator and bandgap reference in an 8-pin package. The part operates from a single 2.5V to 12.6V or dual ±1.25V to ±6.3V supply with a typical supply current of 5µA. Both the op amp and comparator feature a common mode input voltage range that extends from the negative supply ...
Self Buffered Micropower Reference
Jan 1st 1987
The opamp provides controlled bias current to a shunt reference through its supply connection. Since the opamp can operate with both inputs and outputs at the low-side supply potential, the buffer action works properly for sourcing output current at the same voltage as the reference itself. ...
Micropower, 10ppm/°C, ±5V Reference
Jan 1st 1987
The left opamp precisely amplifies the 1.2V shunt reference to +5V and the right section inverts that to make -5V. ...
LTC6990/LTC1440/LTC1059 Quadrature Sine Wave Oscillator
Jan 1st 1987
This circuit provides a voltage controlled frequency range from 2Hz to 18kHz with 1Vp-p constant putput amplitude. The LTC6990 is a precision silicon oscillator with a programmable frequency range of 488Hz to 2MHz. It can be used as a fixed-frequency or voltage-controlled oscillator (VCO). The LTC6990 is part of the TimerBlox ...
Two Terminal Current Source
Jan 1st 1987
The opamp buffers the upper potential of a shunt regulator to set a voltage drop on R1 equal to the reference. The net current to RL is the programmed R1 current plus the quiescent supply current of the opamp passing through the reference. ...
Dual Buffered ±0.617V Reference Powered by Two AA Batteries
Nov 1st 1983
Lower opamp is a precision inverter setting outputs to set the outputs at the same magnitude but opposite polarity. The upper opamp drives the positive output so that the difference of the two outputs is the reference voltage, so the result is that half the reference voltage is the magnitude of the outputs. ...
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