AXM0F243-1-TX40

RF Transceiver ICS Overview

The AXM0F243-1-TX40 is an ultra-low power RF System-on-Chip (SoC) integrating a 32-bit ARM Cortex-M0+ microcontroller with an RF transceiver. It operates within the frequency range of 27MHz to 1.05GHz, supporting general ISM bands below 1GHz. The device features a maximum data rate of 125kbps and supports modulation schemes including 4FSK, ASK, FSK, GFSK, GMSK, and MSK. It provides 64kB of flash memory and 8.25kB of SRAM. The integrated MCU includes 19 GPIOs and interfaces via SPI and UART. Supply voltage ranges from 1.8V to 3.6V. Receive current is 6.5mA to 11mA, while transmit current is 7.5mA to 48mA. Output power reaches 16dBm with a sensitivity of -137dBm. It functions in temperatures from -40°C to 85°C and is housed in a 40-VFQFN package.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M0+ processor with sub-GHz RF transceiver capabilities for compact system design.
• Supports multiple wireless protocols including SIGFOX, Wireless M-Bus, and Z-Wave for diverse connectivity needs.
• Offers ultra-low power consumption profiles suitable for battery-operated IoT applications.
• Provides extensive digital peripherals including 19 GPIOs and standard communication interfaces.

RF Transceiver ICS Applications

• SIGFOX network end devices
• Wireless M-Bus smart metering systems
• Z-Wave home automation controllers
• General industrial ISM band telemetry

RF Transceiver ICS Procurement Notes

Verify component authenticity through authorized onsemi distributors or certified partners. Confirm the specific ordering suffix matches the required tape and reel configuration. Check for recent Product Change Notices regarding packaging updates or material declarations. Ensure compliance with RoHS3 standards as documented in official material declarations. Validate that the received part number corresponds exactly to the AXM0F243-1-TX40 designation without unauthorized modifications.

RF Transceiver ICS Selection Notes

Select this component when designing low-power wireless nodes requiring integrated processing and radio functions. It is appropriate for applications needing support for SIGFOX, Wireless M-Bus, or Z-Wave protocols. Consider the 40-pin QFN package constraints for PCB layout. Evaluate the 1.8V to 3.6V supply range against system power architecture. Assess the 16dBm output power and -137dBm sensitivity against link budget requirements.

RF Transceiver ICS Part Context

This device belongs to the AXM0 series of ultra-low power RF microcontrollers from onsemi. It combines a 32-bit ARM Cortex-M0+ core with a versatile sub-GHz transceiver. The series targets Internet of Things (IoT) and Machine-to-Machine (M2M) applications. It enables developers to create compact, energy-efficient wireless solutions without external radio components.

RF Transceiver ICS Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing firmware and hardware designs if considering alternative SoCs. Consult onsemi technical support for potential obsolescence management strategies.