Low-Cost Line Interface
Data Sheet November 2001
L9218A/G Low-Cost Line Interface
Features
s Basic forward battery only SLIC functionality at ...
Description
Data Sheet November 2001
L9218A/G Low-Cost Line Interface
Features
s Basic forward battery only SLIC functionality at a low cost
s Pin compatible with Agere Systems Inc. L9219 and L9217 SLIC
s Low active power (typical 138 mW during on-hook transmission)
s Low-power scan mode for low-power, on-hook power dissipation (59 mW typical)
s Minimal external components
s Distortion-free, on-hook transmission
s Convenient operating states: — Forward battery low current limit — Forward battery high current limit — Low-power scan — Disconnect (high impedance)
s Adjustable supervision functions: — Off-hook detector with hysteresis — Ring trip detector
s Logic controlled high and low current limit
s Two gain options to optimize the codec interface
s Thermal protection with thermal shutdown indication
Description
This general-purpose electronic subscriber loop interface circuit (SLIC) is optimized for low cost, while still providing a satisfactory set of features.
The L9218 is pin-for...
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