EFR32FG23B020F128GM40-C

RF Transceiver ICS Overview

The EFR32FG23B020F128GM40-C is a Sub-GHz RF System on Chip from Silicon Labs, featuring an ARM Cortex-M33 core operating at up to 78 MHz. It integrates 128 kB of flash memory and 32 kB of RAM within a QFN-40 package. The device supports frequencies between 922.3 MHz and 928.1 MHz with a maximum data rate of 2 Mbps. It delivers +20 dBm output power and achieves -110.1 dBm sensitivity. Operating voltage ranges from 1.71 V to 3.8 V, with receive current at 4.2 mA and transmit current at 25 mA. It includes 12-bit and 16-bit ADCs and interfaces such as I2C, SPI, and UART.

RF Transceiver ICS Feature Summary

• Integrates a 32-bit ARM Cortex-M33 processor for efficient code execution
• Includes Secure Vault-High security features for data protection
• Supports high-output power transmission up to +20 dBm
• Provides multiple communication interfaces including I2C, SPI, and UART

RF Transceiver ICS Applications

• Sub-GHz wireless sensor networks
• Industrial monitoring systems
• Smart metering applications

RF Transceiver ICS Procurement Notes

Verify the specific suffix C against official Silicon Labs documentation to confirm package type and temperature range compatibility. Ensure that the required frequency band aligns with regional regulatory standards for Sub-GHz operations. Cross-reference the pinout diagram in the datasheet with your PCB layout to guarantee correct interface connections. Confirm that the supply voltage requirements match your system design before procurement.

RF Transceiver ICS Selection Notes

Select this component when a balance of processing power and RF performance is required for Sub-GHz applications. The 128 kB flash capacity suits moderate firmware complexity, while the integrated radio simplifies board design. Consider the QFN-40 package size for space-constrained designs. Evaluate the secure vault features if cryptographic hardware acceleration is necessary for your application security model.

RF Transceiver ICS Part Context

This part belongs to the EFR32FG23 series, which provides wireless connectivity solutions. The FG23 variant specifically targets Sub-GHz bands, distinguishing it from other Gecko families like BG or MG. It utilizes the same core architecture but differs in frequency coverage and memory configurations compared to higher-capacity models in the same product line.

RF Transceiver ICS Replacement Considerations

The EFR32FG23B020F128GM40-CR is a related variant within the same family. Verify if the reel packaging option meets your assembly needs without altering functional specifications.