Datasheet Summary
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Avalanche Photodiode Bias Controller and Wide Range (5 nA to 5 mA) Current Monitor ADL5317
Features
Accurately sets avalanche photodiode (APD) bias voltage Wide bias range from 6 V to 75 V 3 V-patible 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)
FUNCTIONAL BLOCK DIAGRAM
16 15 14 13
M FALT
OVERCURRENT PROTECTION THERMAL PROTECTION
CURRENT MIRROR 5:1
NC 12
APPLICATIONS
Optical power monitoring and biasing in APD systems Wide dynamic...