L9215A Datasheet (Agere Systems) - Short-Loop Sine Wave Ringing SLIC

L9215A, Short-Loop Sine Wave Ringing SLIC

Data Sheet September 2001 L9215A/G Short-Loop Sine Wave Ringing SLIC Introduction The Agere Systems Inc.

L9215 is a subscriber line interface circuit that is optimized for short-loop, power-sensitive applications.

This device provides the complete set of line interface functionality (including power ringing) needed to interface to a subscriber loop.

This device has the capability to operate with a VCC supply of 3.3 V or 5 V and is designed to minimize external components required at all device

L9215A Features

* s Onboard ringing generation s Three ringing input options:

* Sine wave

* PWM

* Logic level square wave s Flexible VCC options:

* 5 V or 3.3 V VCC

* No

* 5 V required s Battery switch to minimize off-hook power s 11 operating states:

* Scan mode