Datasheet Summary
MT8889C/MT8889C-1
®
Integrated DTMF Transceiver with Adaptive Micro Interface
Features
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- - Central office quality DTMF transmitter/ receiver Low power consumption High speed adaptive micro interface Adjustable guard time Automatic tone burst mode Call progress tone detection to -30dBm
ISSUE 2
May 1995
Ordering Information MT8889CE/CE-1 20 Pin Plastic DIP MT8889CC/CC-1 20 Pin Ceramic DIP MT8889CS/CS-1 20 Pin SOIC MT8889CN/CN-1 24 Pin SSOP -40°C to +85°C
Applications
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- Credit card systems Paging systems Repeater systems/mobile radio Interconnect dialers Personal puters
The receiver section is based upon the industry standard MT8870 DTMF receiver while the...