(China (Mainland))
Product Summary
The MT8888CE is a monolithic DTMF transceiver with call progress filter. It is fabricated in CMOS technology offering low power consumption and high reliability. It utilizes an Intel micro interface, which allows the device to be connected to a number of popular microcontrollers with minimal external logic. The applications of the MT8888CE include: (1)Credit card systems; (2)Paging systems; (3)Repeater systems/mobile radio; (4)Interconnect dialers; (5)Personal computers.
Parametrics
MT8888CE absolute maximum ratings: (1)Power supply voltage VDD-VSS VDD: max=6V; (2)Voltage on any pin VI: min=VSS-0.3V, max=VDD+0.3V; (3)Current at any pin (Except VDD and VSS): max=10mA; (4)Storage temperature TST: min=-65℃, max=+150℃; (5)Package power dissipation PD: max=1000mW.
Features
MT8888CE features: (1)Central office quality DTMF transmitter/receiver; (2)Low power consumption; (3)High speed Intel micro interface; (4)Adjustable guard time; (5)Automatic tone burst mode; (6)Call progress tone detection to -30 dBm.
Diagrams
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