L9216A Datasheet (Agere Systems) - Short-Loop Ringing SLIC

L9216A, Short-Loop Ringing SLIC

Preliminary Data Sheet September 2001 L9216A/G Short-Loop Ringing SLIC with Ground Start Introduction The Agere Systems Inc.

L9216 is a subscriber line interface circuit (SLIC) that is optimized for shortloop, 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 componen

L9216A 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 Eight operating states: