M-980-02 Datasheet, PDF (1/6 Pages) Clare, Inc. – 3V/5V General Purpose Call Progress Tone Detector

M-980-02
3V/5V General Purpose Call Progress Tone Detector
Features
• Covers the 315 to 640 Hz range (common call
progress)
• Sensitivity to -38 dBm
• Dynamic range over 38 dB
• 40 ms minimum detect
• 8-pin DIP or 16-pin SOIC
• Single supply CMOS (low power)
• Supply range 2.8 to 5.5 VDC
• Inexpensive 3.58 MHz time base
• Low power consumption (<_15 mW at 3V)
Applications
• Automatic dialers
• Dialing modems
• Traffic measurement equipment
• Test equipment
• Service evaluation
• Billing systems
Pin Diagram
Description
The M-980-02 is an integrated circuit tone detector for
general purpose use in automatic following of switched
telephone calls. The circuit uses low-power CMOS
techniques to provide the complete filtering and control
required for this function. The basic timing of the M-
980-02 is designed to permit operation with almost any
progress tone system.
The use of integrated circuit techniques allows the
M-980-02 to pack the complete frequency and ampli-
tude portion of call progress following into a single 8-
pin DIP or 16-pin SOIC. A 3.58 MHz crystal-controlled
time base guarantees accuracy and repeatability.
3V/5V operation increases customer flexibility,
improves reliability, and minimizes power consump-
tion.
Ordering Information
Part #
M-980-02P
M-980-02S
M-980-02T
Description
8-pin plastic DIP
16-pin SOIC
16-pin SOIC, Tape and Reel
Block Diagram
DS-M980-02-R3
www.clare.com
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