ATSAMR35J17B-I/7JX

RF Transceiver ICS Overview

The ATSAMR35J17B-I/7JX is a System on Chip (SoC) integrating an ARM Cortex-M0+ microcontroller with a LoRa transceiver. It operates in Sub-GHz bands: 137–175 MHz, 410–525 MHz, and 862–1020 MHz. Key electrical parameters include a maximum data rate of 12 Mbps, output power of 20 dBm, and receiver sensitivity of -136 dBm. The device features 128 KB Flash, 24 KB SRAM, and supports supply voltages from 1.8 V to 3.6 V. Current consumption is 17 mA during reception and 94.5 mA during transmission. It utilizes a 64-TFBGA (6x6 mm) package and supports I2C, SPI, and UART interfaces.

RF Transceiver ICS Feature Summary

• Integrates a 32-bit ARM Cortex-M0+ MCU with a LoRa transceiver for combined processing and communication.
• Supports multiple global Sub-GHz frequency bands including 868 MHz and 915 MHz regions.
• Delivers high receiver sensitivity and configurable output power for extended range applications.
• Provides standard digital interfaces including I2C, SPI, and UART for peripheral connectivity.

RF Transceiver ICS Applications

• Long-range IoT sensor networks
• Smart metering systems
• Industrial telemetry

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'I/7JX' against official Microchip documentation to confirm industrial temperature rating and tape-and-reel packaging configuration. Ensure compatibility with existing PCB footprints for the 64-TFBGA package. Cross-reference pin assignments with the latest datasheet revision to avoid interface mismatches during integration.

RF Transceiver ICS Selection Notes

Select this component when both MCU processing capabilities and long-range LoRa connectivity are required in a single package. Compare current consumption metrics against alternative SoCs if battery life is critical. Verify that the available flash memory size meets application code requirements before finalizing the selection.

RF Transceiver ICS Part Context

This part belongs to the Microchip SAMR35 family, designed for low-power wireless applications. It combines the efficiency of the Cortex-M0+ core with the robustness of LoRa modulation. The series targets developers needing integrated solutions for remote monitoring and control without external radio modules.

RF Transceiver ICS Replacement Considerations

Consult official substitution guides for compatible variants within the ATSAMR35 series. Verify pin-to-pin compatibility and firmware compatibility if replacing with other members of the same product family.

RF Transceiver ICS FAQ

What frequency bands does the ATSAMR35J17B support?

It supports three Sub-GHz ranges: 137-175 MHz, 410-525 MHz, and 862-1020 MHz.

What is the maximum output power of the transceiver?

The transceiver can deliver up to 20 dBm of output power.