(Hong Kong)
Product Summary
The MT8880CE1 is a monolithic DTMF transceiver with call progress filter. It is fabricated in the ISO2-CMOS technology of Mitel, which provides low power dissipation and high reliability. The DTMF receiver is based upon the industry standard MT8870 monolithic DTMF receiver; the transmitter utilizes a switched capacitor D/A converter for low distortion, high accuracy DTMF signalling. The applications of the MT8880CE1 include: Credit card systems, Paging systems, Repeater systems/mobile radio, Interconnect dialers, Personal computers.
Parametrics
MT8880CE1 absolute maximum ratings: (1)Power supply voltage VDD-VSS VDD: max=6 V; (2)Voltage on any pin VI: min=VSS-0.3 V, max=VDD+0.3 V; (3)Current at any pin (Except VDD and VSS): max=10 mA; (4)Storage temperature TST: min=-65 ℃, max=+150 ℃; (5)Package power dissipation PD: max=1000 mW.
Features
MT8880CE1 features: (1)Complete DTMF transmitter/receiver; (2)Central office quality; (3)Low power consumption; (4)Microprocessor port; (5)Adjustable guard time; (6)Automatic tone burst mode; (7)Call progress mode.
Diagrams
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