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ADPD2212 Datasheet High Sensitivity Optical Sensor

Manufacturer: Analog Devices

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General Description

The ADPD2212 is an optical sensor optimized for biomedical applications.

Very low power consumption and near theoretical signal-to-noise ratio (SNR) are achieved by packaging an ultralow capacitance deep junction silicon photodiode operated in zero bias photoconductive mode with a low noise current amplifier.

The ADPD2212 offers a typical 400 kHz bandwidth performance, which is well suited for use with pulsed excitation.

Overview

Data Sheet Low Noise, High Sensitivity Optical Sensor ADPD2212.

Key Features

  • Ultrahigh detectivity photodetector 90 fA/√Hz (typical) ultralow noise floor Signal-to-noise ratio (SNR) near shot noise limit 137 µA (typical) of supply current when active (EE = 0 µW/cm2) 1 µA (typical) of supply current in standby High speed, deep junction photodiode Nominal linear output current: 240 µA (typical) Flexible output configuration Excellent pulse response High ambient light rejection Space-saving, 3 mm × 4 mm LFCSP package.

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