Features

 PCM highway data interface

 μ-law/A-law companding

 SPI control interface

 GCI interface

 80 dB dynamic range TX/RX

 Line voltage monitor

 Loop current monitor

 +6 dBm or +3.2 dBm TX/RX level

mode

 Parallel handset detection

 3 μA on-hook line monitor current

 Overload detection

 Programmable line interface

AC termination

DC termination

Ring detect threshold

Ringer impedance

 TIP/RING polarity detection

 Integrated codec and 2- to 4-wire

analog hybrid

 Programmable digital hybrid for

near-end echo reduction

 Polarity reversal detection

 Programmable digital gain in 0.1 dB

increments

 Integrated ring detector

 Type I and II caller ID support

 Pulse dialing support

 3.3 V power supply

 Daisy-chaining for up to 16 devices

 Greater than 5000 V isolation

 Patented isolation technology

 Ground start and loop start support

 Available in Pb-free RoHS-compliant

packages