MT9196AP electronic ic chip Integrated Circuit Chip ISO2-CMOS Integrated Digital Phone Circuit (IDPC)

ISO²-CMOS MT9196

Integrated Digital Phone Circuit (IDPC)

Features

• Programmable µ-Law/A-Law CODEC and Filters

• Programmable CCITT (G.711)/sign-magnitude coding

• Programmable transmit, receive and side-tone gains

• Digital DTMF and single tone generation

• Fully differential interface to handset transducers

• Auxiliary analog interface

• Interface to ST-BUS/SSI (compatible with GCI)

• Serial microport control

• Single 5 volt supply, low power operation

• Anti-howl circuit for group listening speakerphone applications

Applications

• Digital telephone sets

• Wireless telephones

• Local area communications stations

Ordering Information

MT9196AE            28 Pin Plastic DIP

MT9196AP            28 Pin Plastic LCC

MT9196AS            28 Pin SOIC

                  -40°C to +85°C

Description

The MT9196 Integrated Digital Phone Circuit (IDPC) is designed for use in digital phone products. The device incorporates a built-in Filter/Codec, digital gain pads, DTMF generator and tone ringer. Complete telephony interfaces are provided for connecting to handset and speakerphone transducers. Internal register access is provided through a serial microport compatible with various industry standard micro-controllers.

The device is fabricated in Mitel's ISO²-CMOS technology ensuring low power consumption and high reliability.

Absolute Maximum Ratings

Functional Block Diagram

Pin Connections