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CMX683 - Call Progress and Voice Detector

Download the CMX683 datasheet PDF. This datasheet also covers the CMX683-CML variant, as both devices belong to the same call progress and voice detector family and are provided as variant models within a single manufacturer datasheet.

General Description

The CMX683 is a general purpose Call Progress tone detector for use in monitoring the progress of calls in Public Switched Telephone System (PSTN) applications.

Dial Tone, Ringing, Busy and Not Available states can be distinguished by using the host µC to qualify the cadence of the CP DETECT output.

Key Features

  • Detects Single and Dual Call Progress Tones.
  • Worldwide Call Progress Tone Compatibility.
  • "Voice" Detect Outputs (Fast and Slow).
  • Wide Dynamic Range with Low Falsing.
  • Low Power Operation: 600µA at 3.0V typ.
  • 3.58MHz Xtal/Clock Oscillator CMX683 Call Progress and "Voice" Detector Provisional Issue.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CMX683-CML_removed.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CMX683
Manufacturer CML
File Size 873.96 KB
Description Call Progress and Voice Detector
Datasheet download datasheet CMX683 Datasheet

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Other Datasheets by CML

Part Number Description
CMX602A Calling Line Identifier
CMX602B Calling Line Identifier
CMX641A DUAL SPM/SECURITY DETECTOR/GENERATOR
CMX654 V23 Transmit Modulator
CMX655A Ultra Low Power Voice Codec

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.

View original datasheet text
CML Microcircuits COMMUNICATION SEMICONDUCTORS D/683/2 May 2006 Features • Detects Single and Dual Call Progress Tones • Worldwide Call Progress Tone Compatibility • "Voice" Detect Outputs (Fast and Slow) • Wide Dynamic Range with Low Falsing • Low Power Operation: 600µA at 3.0V typ. • 3.58MHz Xtal/Clock Oscillator CMX683 Call Progress and "Voice" Detector Provisional Issue Applications • Worldwide Payphone Systems • Telephone Redialling Systems • Dialling Modems • Banking and Billing Systems • Telecom Test Equipment • Telecom Security Systems 1. Brief Description The CMX683 is a general purpose Call Progress tone detector for use in monitoring the progress of calls in Public Switched Telephone System (PSTN) applications.