M-8870 DTMF Receiver
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Low power consumption Adjustable acquisition and release times Central office quality and performance Power-down and inhibit modes (-02 only) Inexpensive 3.
58 MHz time base Single 5 volt power supply Dial tone suppression Applications include: telephone switch equipment, remote data entry, paging systems, personal computers, credit card systems
The M-8870 is a full DTMF Receiver that integrates both bandsplit filter and decoder functions into a single 18-pin DIP or SOIC package.
Manufactured using
CMOS process technology, the M-8870 offers low power consumption (35 mW max) and precise data handling.
Its filter section uses switched capacitor technology...