MT8870 DTMF Receiver

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$7.50
Ex Tax: $7.50
Brand: Twins Chip
Product Code: RX - DTMF
Availability: 100

MT8870 DTMF Receiver

Description:
The MT8870D/MT8870D-1 is a complete DTMF
receiver integrating both the bandsplit filter and digital
decoder functions. The filter section uses switched
capacitor techniques for high and low group filters;
the decoder uses digital counting techniques to detect
and decode all 16 DTMF tone-pairs into a 4-bit code

Features:
Complete DTMF Receiver
Low power consumption
Internal gain setting amplifier
Adjustable guard time
Central office quality
Power-down mode
Backward compatible with MT8870C/MT8870C-1

Applications:
Receiver system for British Telecom (BT) or CEPT Spec (MT8870D-1)
Paging systems
Repeater systems/mobile radio
Credit card systems
Remote control
Personal computers
Telephone answering machine

Datasheet

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