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ICM7101D - LOW COST SINGLE CHIP TELEPHONE IC

General Description

Pin No 1 2 3 4 5 Symbol AGND VDD VDDI GND TXO Description Analog Ground Supply Voltage Ground Supply Input Voltage Power for the chip is extracted from this pin Transmit Output Transmit output to be connected to external power transistor for the modulation of line voltage and for shorting the line

Key Features

  • Include Dialer, Speech, and Ringer Circuit in Single Chip, Replacing Two or More ICs Single Board Design Meets Multiple PTT Requirements. Operating Range From 15 to 100mA Selectable Make-Break Ratio Tone/Pulse Dialing 32 Digit Last Number Redial Ring Frequency Discrimination 2-tones Melody Generator ICM7101D is a single chip telephone CMOS integrated circuits that meets multiple PTT requirements, allowing phone ma.

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Datasheet Details

Part number ICM7101D
Manufacturer ICmic
File Size 212.98 KB
Description LOW COST SINGLE CHIP TELEPHONE IC
Datasheet download datasheet ICM7101D Datasheet

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Full PDF Text Transcription (Reference)

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FEATURES • • • • • • • • Include Dialer, Speech, and Ringer Circuit in Single Chip, Replacing Two or More ICs Single Board Design Meets Multiple PTT Requirements. Operating Range From 15 to 100mA Selectable Make-Break Ratio Tone/Pulse Dialing 32 Digit Last Number Redial Ring Frequency Discrimination 2-tones Melody Generator ICM7101D is a single chip telephone CMOS integrated circuits that meets multiple PTT requirements, allowing phone manufacturers to have single board design for various countries. This reduces inventory and simplify manufacturing processes. ICM7101D integrates dialer, speech, and ringer circuits. The integration reduces component counts, hence increases product reliability. OVERVIEW TYPICAL APPLICATION CIRCUIT Rev. 2.