Measuring Bias Current into an Avalanche Photo Diode (APD) Using an Instrumentation Amplifier

Reference Design using part LT1789CS8-1 by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Measurement and Monitoring
  • Product Type
    Current Sensing

For End Products

  • Instrumentation and Measurement
  • Portable Medical Instrumentation
  • Solar Power
  • Strain Gauge

Description

  • Measuring Bias Current into an Avalanche Photo Diode (APD) Using an Instrumentation Amplifier. This circuit uses an instrumentation amplifier powered by a separate rail (>1V above VIN) to measure across the 1kO current shunt

Featured Parts (14)

Featured Parts
Part Number Manufacturer Type Description
LT1789IS8-10#TRPBF Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N T/R Buy
LT1789IS8-1#PBF Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N Tube Buy
LT1789IS8-1#TR Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N T/R Buy
LT1789IS8-10#PBF Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N Tube Buy
LT1789IS8-1#TRPBF Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N T/R Buy
LT1789IS8-1 Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N Buy
LT1789IS8-10 Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N Buy
LT1789CS8-10 Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N Buy
LT1789CS8-1#TRPBF Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N T/R Buy
LT1789CS8-1 Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N Buy
LT1789CS81#TRPBF500 Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N T/R Buy
LT1789CS8-1#PBF Analog Devices Instrumentation Amplifiers INST Amp Single R-R O/P ±18V/36V 8-Pin SOIC N Tube Buy
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