CC2531F128RHAR

RF Transceiver ICS Overview

The CC2531F128RHAR is an RF System on a Chip (SoC) from Texas Instruments designed for Zigbee and IEEE 802.15.4 wireless applications. It integrates an 8051 microcontroller core with a 2.4 GHz radio transceiver, offering a maximum data rate of 250 kbps. The device features 128 kB of program memory and 8 kB of data RAM. Key electrical specifications include a transmit output power of 4.5 dBm, a receive sensitivity of -97 dBm, and a supply voltage range of 2 V to 3.6 V. It supports USB connectivity alongside standard serial interfaces.

RF Transceiver ICS Feature Summary

• Integrates a high-performance 8051 microcontroller with a robust 2.4 GHz RF transceiver in a single chip solution.
• Supports Zigbee and IEEE 802.15.4 protocols with built-in USB interface for simplified development and debugging.
• Provides extensive GPIO availability and multiple communication interfaces including SPI and USART for versatile peripheral connection.

RF Transceiver ICS Applications

• Zigbee home automation devices
• IEEE 802.15.4 sensor networks
• Wireless remote control systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'RHAR' corresponds to the tape and reel packaging format when ordering. Confirm that the component meets RoHS compliance requirements for your target market. Ensure that the VQFN-40 package dimensions align with your PCB footprint design rules. Cross-reference the manufacturer part number with official Texas Instruments documentation to avoid counterfeit components.

RF Transceiver ICS Selection Notes

Select this model when a combined MCU and RF solution is required for Zigbee or 802.15.4 networks. It is suitable for designs needing integrated USB functionality without external transceivers. Consider the 128 kB flash size against application code requirements. Evaluate the thermal performance of the VQFN package for high-temperature operating environments up to 125°C.

RF Transceiver ICS Part Context

This component belongs to the CC2531 family of wireless MCUs from Texas Instruments. It is part of the broader CC253x series designed for low-cost, low-power wireless connectivity. The family shares common architectural features but varies in memory size and interface options. This specific variant emphasizes USB integration within the 128 kB flash configuration.

RF Transceiver ICS Replacement Considerations

CC2531F256RHAR offers increased flash memory while maintaining similar RF characteristics. CC2530F128RHAR provides a comparable solution but lacks the integrated USB interface found in the CC2531 series. Verify pin compatibility and software library support when substituting these parts.