CMX865AD4 The CML Microcircuits CMX865AD4 is a multi-standard modem IC designed for telecom signalling applications. It supports various modulation standards including FSK, Bell 103, Bell 202, V.21, and V.23.
Mfr Part #:

CMX865AD4

Available from 1 distributors
Mfr Name: CML Microcircuits
CML Microcircuits
The CML Microcircuits CMX865AD4 is a multi-standard modem IC designed for telecom signalling applications. It supports various modulation standards including FSK, Bell 103, Bell 202, V.21, and V.23.
✓ Total Stock: 5,000 pcs

CMX865AD4 Available from 1 distributor

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CMX865AD4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Baud Rates
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SVHC Present
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CMX865AD4 Description

Short technical summary and product information.

The CMX865AD4 from CML Microcircuits is a versatile, multi-standard modem IC suitable for applications such as Wireless Local Loops, SMS Phones, Security Systems, and Remote Utility Meter Reading. It integrates flexible line driver, hybrid, and receiver circuits, requiring only passive external components for a 2 or 4-wire line interface.

 

This device supports multiple modulation standards including V.23 (1200/75, 1200/1200, 75, 1200 bps FSK), Bell 202 (1200/150, 1200/1200, 150, 1200 bps FSK), and V.21 or Bell 103 (300/300 bps FSK). It features a low voice falsing DTMF decoder and a standard DTMF encoder, which can also be used for transmitting and detecting user-specific tones.

 

Operating from a single 3.0V to 3.6V supply, the CMX865AD4 functions across a temperature range of -40°C to +85°C. It is available in a 16-pin SOIC package, designed for surface mount applications. Host control and data transfer are managed via a high-speed serial bus compatible with most simple µC serial interfaces.

CMX865AD4 Quick Information

Product Type: Modem IC
Canonical Name: CMX865AD4 DTMF Codec and Telecom Signalling Combo
Subcategory: Telecom Signalling Device

CMX865AD4 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CMX865AD4 Features

  • Supports multiple FSK and Bell modulation standards.
  • Includes DTMF decoder and encoder.
  • Operates from 3.0V to 3.6V supply.
  • Wide -40°C to +85°C operating temperature.
  • Available in 16-pin SOIC package.

CMX865AD4 Applications

  • Ideal for Wireless Local Loops.
  • Suitable for SMS Phones.
  • Used in Security Systems.
  • Applicable for Meter Reading.
  • Supports Industrial Control Systems.

CMX865AD4 FAQs

6 frequently asked questions generated from this part’s specifications.
What modulation standards does the CMX865AD4 support?

The CMX865AD4 supports V.23, Bell 202, V.21, Bell 103, and FSK modulation.

What is the baud rate for the CMX865AD4?

The CMX865AD4 supports a baud rate of 1.2k.

What is the operating voltage range for the CMX865AD4?

The CMX865AD4 operates from a 3V to 3.6V supply.

What is the operating temperature range for the CMX865AD4?

The CMX865AD4 operates within a temperature range of -40°C to +85°C.

What package is the CMX865AD4 available in?

The CMX865AD4 is available in a 16-pin SOIC package.

How is the CMX865AD4 mounted?

The CMX865AD4 is designed for surface mount.

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