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MT88L89ASR1

IC TXRX DTMF 3V 20SOIC

Product Category: Telecom Interface ICs
Mfr. Part #
MT88L89ASR1
Manufacturer: Microchip Technology
Package: 20-SOIC (0.295", 7.50mm Width)
Lead Free Status /RoHS Status:
Data Sheet: MT88L89ASR1 Datasheet
Inventory: In Stock

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Mfr. Part #: MT88L89ASR1

Specifications
Product Details

Specifications

Manufacturer Microchip Technology

Product Category Telecom Interface ICs

Series -

Product DTMF - Dual-tone Multi-frequency Transceivers

Packaging Tape & Reel (TR) Alternate Packaging

Unit-Weight 0.028254 oz

Mounting-Style SMD/SMT

Package-Case 20-SOIC (0.295", 7.50mm Width)

Operating-Temperature -40Â°C ~ 85Â°C

Mounting-Type Surface Mount

Function DTMF Transceiver

Interface -

Voltage-Supply 2.7 V ~ 3.6 V

Supplier-Device-Package 20-SOIC

Number-of-Circuits 1 Circuit

Watt -

Current-Supply 3.1mA

Pd-Power-Dissipation 1 W

Maximum Operating Temperature + 85 C

Operating temperature range - 40 C

Operating-Supply-Voltage 3 V

Operating-Supply-Current 3 mA

Supply-Voltage-Max 3.6 V

Supply-Voltage-Min 2.7 V

Package-Case SOIC-20

Product Details

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

â€¢ Central office quality DTMF transmitter/receiver
â€¢ Low voltage operation (2.7-3.6V)
â€¢ Adjustable guard time
â€¢ Automatic tone burst mode
â€¢ Call progress tone detection to -30dBm
â€¢ Adaptive micro interface enables compatibility with existing MT8880/MT8888 designs
â€¢ DTMF transmitter/receiver power down via register control

Applications

â€¢ Credit card systems
â€¢ Paging systems
â€¢ Repeater systems/mobile radio
â€¢ Interconnect dialers
â€¢ Personal computers

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Mfr. Part #: MT88L89ASR1