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MT8870D-1

Mitel
Part Number MT8870D-1
Manufacturer Mitel
Description Integrated DTMF Receiver
Published Apr 8, 2015
Detailed Description ISO2-CMOS MT8870D/MT8870D-1 ® Integrated DTMF Receiver Features • Complete DTMF Receiver • Low power consumption • Inte...
Datasheet PDF File MT8870D-1 PDF File

MT8870D-1
MT8870D-1

Overview
ISO2-CMOS MT8870D/MT8870D-1 ® Integrated DTMF Receiver Features • Complete DTMF Receiver • Low power consumption • Internal gain setting amplifier • Adjustable guard time • Central office quality • Power-down mode • Inhibit 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 ISSUE 3 May1995 Ordering Information MT8870DE/DE-1 18 Pin Plastic DIP MT8870DC/DC-1 18 Pin Ceramic DIP MT8870DS/DS-1 18 Pin SOIC MT8870DN/DN-1 20 Pin SSOP MT8870DT/DT-1 20 Pin TSSOP -40 °C to +85 °C 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 tonepai...


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