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DS1842A: 76V APD current monitor significantly reduces settling time for GPON modules
Maxim introduces the DS1842A 76V APD (avalanche photo diode), bias-output-stage and current-monitoring IC. By employing Maxim's state-of-the art CMOS process technology, the device integrates a high-voltage current source; several current mirrors for monitoring APD current; and a FET switch configured to work in conjunction with an external DC-DC controller to implement a boost DC-DC converter.
The The DS1842A is fully specified over the -40 degrees Celsius to +85 degrees Celsius temperature range, and is available in a small 3mm x 3mm 14-pin TDFN with exposed pad.
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