Description
●The MT88L89 is a monolithic DTMF transceiver with call progress filter. It is fabricated in CMOS technology offering low power consumption and high reliability.
●Features
●• Central office quality DTMF transmitter/receiver
●• Low voltage operation (2.7-3.6V)
●• Adjustable guard time
●• Automatic tone burst mode
●• Call progress tone detection to -30dBm
●• Adaptive micro interface enables compatibility with existing MT8880/MT8888 designs
●• DTMF transmitter/receiver power down via register control
●Applications
●• Credit card systems
●• Paging systems
●• Repeater systems/mobile radio
●• Interconnect dialers
●• Personal computers
Mitel
20 Pages / 0.46 MByte
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