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Includes Speech and Ringer Circuit in
a single chip
Operating Range From 15 to 100mA
DTMF interface with adjustable gain
Mute input for pulse of DTMF dialing
Voltage regulator output
Ring Frequency Discrimination
Ring Melody Generator
ICM7111 is a low cost CMOS Speech and
Ringer integrated circuit (IC) that perform all
the necessary speech and line interface
functions for telephone sets.
.
OVERVIEW
TYPICAL APPLICATION CIRCUIT
Figure 1:
Typical Application Circuit
Rev. 2.1
ICmic reserves the right to change the specifications without prior notice
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