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MT8885 - Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface

General Description

The MT8885 is a monolithic DTMF transceiver with call progress filter.

It is fabricated in CMOS technology offering low power consumption and high reliability.

Key Features

  • External power down pin 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 DTMF transmitter/receiver power down via register control ISSUE 1 May 1995 Ordering Information MT8885AE MT8885AN MT8885AP -40°C to 24 Pin Plastic DIP 24 Pin SSOP 28 Pin PLCC +85°C.

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Datasheet Details

Part number MT8885
Manufacturer Mitel Networks Corporation
File Size 350.76 KB
Description Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface
Datasheet download datasheet MT8885 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MT8885 ® Integrated DTMF Transceiver with Power Down & Adaptive Micro Interface Advance Information Features • • • • • • • • External power down pin 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 DTMF transmitter/receiver power down via register control ISSUE 1 May 1995 Ordering Information MT8885AE MT8885AN MT8885AP -40°C to 24 Pin Plastic DIP 24 Pin SSOP 28 Pin PLCC +85°C Applications • • • • • Credit card systems Paging systems Repeater systems/mobile radio Interconnect dialers Personal computers The receiver section is based upon the industry standard MT8870 DTMF receiver while the transmitter utilizes a switched capacitor D/A conver