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M-8880 - M-8880 DTMF Transceiver

Datasheet Summary

Description

M-8880 functions consist of a high-performance DTMF receiver with an internal gain setting amplifier and a DTMF generator that contains a tone burst counter for generating precise tone bursts and pauses.

The call progress mode, when selected, allows the detection of call progress tones.

Features

  • adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 6500/6800 microprocessor interface. The receiver portion is based on the industry standard M-8870 DTMF Receiver, while the transmitter uses a switched-capacitor digital-to-analog converter for low-distortion, highly accurate DTMF signaling. Tone bursts can be transmitted with precise timing by making use of the automatic tone burst mode. To analyze call progress tones, a call progress filter can be selec.

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Datasheet preview – M-8880

Datasheet Details

Part number M-8880
Manufacturer Clare Inc.
File Size 841.00 KB
Description M-8880 DTMF Transceiver
Datasheet download datasheet M-8880 Datasheet
Additional preview pages of the M-8880 datasheet.

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Full PDF Text Transcription

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M-8880 DTMF Transceiver · · · · · · · · · · · · · Advanced CMOS technology for low power consumption and increased noise immunity Complete DTMF transmitter/receiver in a single chip Standard 6500/6800 series microprocessor port Central office quality and performance Adjustable guard time Automatic tone burst mode Call progress mode Single +5 Volt power supply 20-pin DIP and SOIC packages 2 MHz microprocessor port operation Inexpensive 3.
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