IS1871SF-202-TRAY

RF Transceiver ICS Overview

The Microchip Technology IS1871SF-202-TRAY is a Bluetooth Low Energy System-on-Chip featuring an 8051 core operating at 32 MHz. It integrates a 2.4 GHz RF transceiver with 3 dBm output power and -90 dBm sensitivity, supporting data rates up to 921.6 kbps. The device includes 256 kB program memory and 24 kB SRAM. It operates on a 1.9 V to 3.6 V supply, consuming 10 mA during transmission and reception. The IC is housed in a 4x4 mm QFN-32 package with exposed pad, rated for industrial temperatures from -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Integrates Bluetooth 5.0 compliant RF transceiver with high sensitivity and moderate output power for reliable wireless connectivity.
• Combines an 8051 microcontroller core with substantial embedded memory to support complex application logic within a single chip.
• Supports multiple digital communication interfaces including I2C, SPI, and UART for flexible peripheral integration.
• Includes a 12-bit analog-to-digital converter with six channels for direct sensor interfacing and signal acquisition.

RF Transceiver ICS Applications

• Industrial wireless sensor networks requiring robust BLE connectivity
• Smart home devices and IoT nodes needing low power consumption
• Wearable electronics utilizing integrated ADC and MCU capabilities
• Asset tracking systems relying on 2.4 GHz RF performance

RF Transceiver ICS Procurement Notes

Verify the specific suffix TRAY indicates tray packaging configuration when ordering. Confirm that the industrial temperature grade (-40°C to +85°C) meets environmental requirements. Ensure the QFN-32 package dimensions align with PCB footprint constraints. Validate that the 1.9V to 3.6V supply range matches the system power architecture. Check for RoHS compliance status if required by project specifications.

RF Transceiver ICS Selection Notes

Select this component when a combined MCU and BLE radio is required to reduce bill of materials count. Consider the 8051 architecture compatibility if existing codebases utilize this instruction set. Evaluate the 256 kB flash size against application firmware requirements. Assess the 10 mA current consumption against battery life expectations. Verify interface availability (I2C, SPI, UART) matches target peripheral connections.

RF Transceiver ICS Part Context

This part belongs to Microchip's IS18xx series of Bluetooth Low Energy System-on-Chips. It represents a highly integrated solution designed to simplify wireless product development by combining radio, MCU, and memory. The series targets applications demanding compact form factors and efficient power management. The IS1871 variant specifically offers higher memory capacity compared to entry-level models in the family.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Microchip Technology official resources for cross-reference information or updated product line replacements.