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ADL5317 Datasheet Avalanche Photodiode Bias Controller And Wide Range

Manufacturer: Analog Devices

Overview: .. Avalanche Photodiode Bias Controller and Wide Range (5 nA to 5 mA) Current Monitor.

General Description

The ADL5317 is a high voltage, wide dynamic range, biasing and current monitoring device optimized for use with avalanche photodiodes.

When used with a stable high voltage supply (up to 80 V), the bias voltage at the VAPD pin can be varied from 6 V to 75 V using the 3 V-patible VSET pin.

The current sourced from the VAPD pin over a range of 5 nA to 5 mA is accurately mirrored with an attenuation of 5 and sourced from the IPDM monitor output.

Key Features

  • Accurately sets avalanche photodiode (APD) bias voltage Wide bias range from 6 V to 75 V 3 V-compatible control interface Monitors photodiode current (5:1 ratio) over six decades Linearity 0.25% from 10 nA to 1 mA, 0.5% from 5 nA to 5 mA Overcurrent protection and overtemperature shutdown Miniature 16-lead chip scale package (LFCSP 3 mm × 3 mm).

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