Description

The MT8889C is a monolithic DTMF transceiver with call progress filter. It is fabricated in CMOS technology offering low power consumption and high reliability.

Features

• Central office quality DTMF transmitter/receiver

• Low power consumption

• High speed adaptive micro interface

• Adjustable guard time

• Automatic tone burst mode

• Call progress tone detection to -30dBm

Applications

• Credit card systems

• Paging systems

• Repeater systems/mobile radio

• Interconnect dialers

on

• Personal computers