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MT9196AS1

ISO2-CMOS Integrated Digital Phone Circuit (IDPC)

Zarlink Semiconductor Inc 

ISO2-CMOS MT9196

Integrated Digital Phone Circuit (IDPC)

Data Sheet

Features

• Programmable m-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

January 2006

Ordering Information

MT9196AP 28 Pin PLCC Tubes

MT9196AE

28 Pin PDIP

Tubes

MT9196AS

28 Pin SOIC

Tubes

MT9196ASR 28 Pin SOIC

Tape & Reel

MT9196APR 28 Pin PLCC Tape & Reel

MT9196AE1 28 Pin PDIP* Tubes

MT9196APR1 28 Pin PLCC* Tape & Reel

MT9196AP1 28 Pin PLCC* Tubes

MT9196AS1 28 Pin SOIC* Tubes

MT9196ASR1 28 Pin SOIC* Tape & Reel

*Pb Free Matte Tin

-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 Zarlink's ISO2-CMOS

technology ensuring low power consumption and high

reliability.

VSSD

VDD

VSSA

VSS SPKR

VBias

VRef

Digital Gain & Tone Generator

21/ - 24dB

∆3.0dB

Tx & Rx

Filter/Codec Gain

Encoder

7dB

Decoder -7dB

Transducer

Interface

Din

Dout

STB/F0i

CLOCKin

XSTL2

Flexible

Digital

Interface

Timing

ST-BUS

C&D

Channels

Serial Microport

WD

PWRST IC

IRQ CS

DATA1 DATA2 SCLK

Figure 1 - Functional Block Diagram

1

Zarlink Semiconductor Inc.

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

Copyright 1995-2005, Zarlink Semiconductor Inc. All Rights Reserved.

AUXin

AUXout

MIC +

M-

M+

HSPKR +

HSPKR -

SPKR +

SPKR -

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