Datasheet > M-985-01T

M-985-01T

更新时间： 2024-09-23 22:30:31

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CLARE		/
页数	文件大小	规格书
8页	243K
描述
Precise Call Progress and Special Information Tone Generator

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M-985-01T 数据手册

M-985-01

Precise Call Progress and

Special Information Tone Generator

Description

Features

The M-985-01 is an integrated circuit precise tone

detector for call progress and special information

tones (SIT), as defined by CCITT.

• Precise detection of call progress tones

• Linear (analog) input

• Digital (CMOS compatible), tri-state outputs

• 22-pin DIP and 20-pin SOIC

• Single supply 3 to 5 volt (low power CMOS)

• Inexpensive 3.58 MHz crystal time base

• Wide dynamic range (30 dB)

• Lower power consumption (power-down mode)

• 425 Hz detection

The use of integrated circuit techniques allows the

M-985-01 to pack the eight filters for call progress

detection into a single 22-pin DIP or a 20-pin SOIC. A

3.58 MHz crystal-controlled time base guarantees

accuracy and repeatability.

The M-985-01 combines the call progress detection of

the M-982-02 and the SIT detection of the M-984-02.

It has an operating voltage range down to 3V. It has

low power consumption under normal operating con-

ditions. A power down (PD) feature is provided to fur-

ther reduce power consumption when inactive.

• Special Information Tone (SIT) Detection

Applications

• Automatic dialers

• Dialing modems

• Traffic measurement equipment

• Test equipment

• Service evaluation

• Billing systems

Ordering Information

Part #

Description

M-985-01P

M-985-01S

M-985-01T

22-pin plastic DIP

20-pin plastic SOIC

20-pin plastic SOIC,Tape and Reel

Pin Diagram

Block Diagram

DS-M985-01-R1

www.clare.com

12 3 4 5 6 7 8

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