ICM7111 Phone IC
Datasheets  (PDF)
Features
- Includes Speech and Ringer Circuit in
a single chip
- Digital volume control
- DTMF interface with adjustable gain
- Voltage regulator output
- Ring Frequency Discrimination
- Ring Melody Generator
- Operating Range From 15 to 100mA
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Overview
ICM7111 is a low cost CMOS Speech and
Ringer integrated circuit (IC) that performs all the
necessary speech and line interface functions
for telephone sets.
ICM7111 supports digital interface to adjust
received audio level.
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