CMX7164Q1

Overview

The CMX7164Q1 is a multi-mode wireless data modem IC manufactured by CML Micro, designed for high-performance narrowband communications. It supports multiple modulation schemes including GMSK/GFSK, 2/4/8/16-FSK, 4/16/32/64-QAM, and V.23 protocols. The device operates on a supply voltage of 3V to 3.6V and utilizes Adaptive Coded Modulation (ACM) to dynamically adjust block formats. It features a direct connection to zero IF receivers via a high-performance I/Q interface and includes reconfigurable digital filters. The component is housed in a 64-VQFN package measuring 9x9 mm.

Feature Summary

• Supports multiple modulation schemes including GMSK/GFSK, FSK variants, QAM variants, and V.23
• Features Adaptive Coded Modulation (ACM) for dynamic selection of data block size and coding rate
• Provides a high-performance I/Q radio interface with direct connection capability to zero IF transceivers
• Includes reconfigurable digital IF filters and deviation control without manual trim

Applications

• High-performance narrowband data radio systems
• Telemetry, SCADA, and M2M data modems
• Satellite communications links
• Software Defined Radio (SDR) platforms

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and tape/reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to PCB assembly. Ensure the host microcontroller supports the required serial bus interface for configuration and data transfer operations.

Selection Notes

Select this component for applications requiring flexible modulation support within narrow bandwidths. The FirmASIC technology allows for custom modulation scheme implementation via Function Image uploads. Verify that the system design accommodates the 64-VQFN package dimensions and thermal requirements for the intended operating environment.

Part Context

The CMX7164Q1 belongs to the CMX7164 family of multi-mode wireless data modems. It is part of CML's FirmASIC portfolio, which emphasizes reconfigurable hardware platforms. This specific variant integrates complete modem functionality, eliminating the need for external codecs or DSP processing for supported modulation types.

Replacement Considerations

CMX7164L9 is an alternative package option offering the same functional capabilities in a 64-LQFP format.