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L9217G

Part Number	L9217G
Manufacturer	Agere Systems
Description	Low-Cost Line Interface
Published	Aug 3, 2018
Detailed Description	Data Sheet November 2001 L9217A/G Low-Cost Line Interface with Reverse Battery and PPM Features s Basic forward/revers...
Datasheet	L9217G PDF File

Overview

Data Sheet November 2001 L9217A/G Low-Cost Line Interface with Reverse Battery and PPM Features s Basic forward/reverse battery SLIC functionality at a low cost s Pin compatible with Agere Systems Inc.
L9218/ L9219 SLIC s Low active power (typical 154 mW during on-hook transmission) s Low-power scan mode for low-power, on-hook power dissipation (57 mW typical) s Distortion-free, on-hook transmission s Convenient operating states: — Forward powerup — Reverse powerup — Low-power scan — Disconnect (high impedance) — PPM operational states s Minimal external components required s Two gain options to optimize the codec interface s Adjustable supervision functions: — Off-hook detector with hysteresis — Ring trip detector s Adjustable loop current limit s Adjustable overhead voltage s Ramped rate of battery reversal s Periodic pulse metering (PPM) compatible s Thermal protection with thermal shutdown indication Description This general-purpose electronic subscriber loop inter...

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