ATSAMR35J18BT-I/7JX

RF Transceiver ICS Overview

The ATSAMR35J18BT-I/7JX is a System on Chip (SoC) microcontroller from Microchip Technology, integrating an ARM Cortex-M0+ core with a Sub-GHz LoRa transceiver. It features 256 KB of flash memory and operates within the 137 MHz to 1.02 GHz frequency range. The device supports data rates up to 12 Mbps and delivers an output power of 20 dBm. It functions on a voltage supply between 1.8 V and 3.6 V, with receive current at 17 mA and transmit current at 94.5 mA. The component is housed in a 64-ball TFBGA package.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M0+ processor with a Sub-GHz LoRa transceiver for efficient wireless communication.
• Supports multiple global Sub-GHz ISM bands including 137-175 MHz, 410-525 MHz, and 862-1020 MHz.
• Provides high sensitivity reception capabilities suitable for long-range IoT applications.

RF Transceiver ICS Applications

• Smart metering infrastructure
• Industrial sensor networks
• Home automation systems

RF Transceiver ICS Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type and tape-and-reel specifications. Confirm that the intended operating temperature range aligns with the industrial grade designation found in the datasheet. Cross-reference the part number with authorized distributors to avoid counterfeit components. Ensure compatibility with existing PCB footprints for the 64-TFBGA package before finalizing procurement orders.

RF Transceiver ICS Selection Notes

Select this component when a combined MCU and LoRa radio solution is required for Sub-GHz applications. The ARM Cortex-M0+ core offers sufficient processing power for lightweight protocol stacks while maintaining low power consumption. Consider the 256 KB flash capacity for firmware storage requirements. Evaluate the 20 dBm output power against link budget calculations for the target deployment environment.

RF Transceiver ICS Part Context

This part belongs to the Microchip SAMR35 family of RF SoCs designed for IoT connectivity. It combines the security and processing capabilities of the AVR/ARM ecosystem with robust LoRa modulation. The series targets developers needing integrated wireless solutions without external radio modules, simplifying board design and reducing component count for connected devices.

RF Transceiver ICS Replacement Considerations

Consult Microchip documentation for direct pin-to-pin or functional equivalents within the SAMR3x series. Verify regulatory compliance and frequency band support for alternative parts. No specific substitute part numbers are confirmed in public sources; engineering validation is required for any cross-model migration.