SI1081-A-GM

Description：IC RF TXRX+MCU ISM<1GHZ 36QFN
Series：-
Mfr：Silicon Labs
Package：Tray

SKU:cda9577e4082 Category: RF Transceiver ICs Brand: Silicon Labs

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Product introduction

SI1081-A-GM is listed in the RF Transceiver ICS range at ChipApex. The manufacturer field lists Silicon Labs. Its product description is IC RF TXRX+MCU ISM. Review the specifications below when checking this part for your BOM.

RF Transceiver ICS specifications for SI1081-A-GM

Description：IC RF TXRX+MCU ISM<1GHZ 36QFN
Series：-
Mfr：Silicon Labs
Package：Tray
Type：TxRx + MCU
RF Family/Standard：General ISM < 1GHz
Protocol：-
Modulation：4FSK, 4GFSK, FSK, GFSK, OOK
Frequency：142MHz ~ 1.05GHz
Data Rate (Max)：1Mbps
Power - Output：20dBm
Sensitivity：-126dBm
Memory Size：8kB Flash, 768B RAM
Serial Interfaces：I2C, SPI, UART
Voltage - Supply：1.8V ~ 3.6V
Current - Receiving：10.7mA ~ 13.7mA
Current - Transmitting：70mA ~ 85mA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：36-WFQFN Exposed Pad
Supplier Device Package：36-QFN (5x6)
GPIO：15
Grade：-
Qualification：-

RF Transceiver ICS datasheet and documents for SI1081-A-GM

SI1081-A-GM

RF Transceiver ICS Overview

The SI1081-A-GM is a discontinued RF microcontroller from Silicon Labs, integrating an 8051 core with a sub-1 GHz transceiver. It features 8 kB of Flash program memory and 768 bytes of RAM. The device operates within a frequency range of 142 MHz to 1.05 GHz and supports a maximum clock speed of 25 MHz. It utilizes a QFN-36 package and interfaces via I2C, SPI, and UART. The component includes a 10-bit ADC, four 16-bit timers, and 11 I/O pins, designed for ISM band applications.

RF Transceiver ICS Feature Summary

Integrates an 8051 microcontroller core with a sub-1 GHz radio transceiver in a single chip
Provides wireless connectivity capabilities for ISM band communication protocols
Includes on-chip analog-to-digital conversion and multiple timer/counters for peripheral control

RF Transceiver ICS Applications

Wireless sensor nodes requiring integrated processing and transmission
ISM band telemetry systems
Low-power remote control devices

RF Transceiver ICS Procurement Notes

This component is officially listed as obsolete and no longer manufactured by Silicon Labs. Availability is restricted to existing stock or third-party distributors. Verify the authenticity and condition of any available units carefully, as new production is not guaranteed. Ensure that the specific revision matches your design requirements before procurement.

RF Transceiver ICS Selection Notes

Engineers should consider this part only for legacy maintenance or non-critical prototyping due to its end-of-life status. For new designs, evaluate modern alternatives such as the EFR32 series which offer updated performance and long-term supply stability. Review the datasheet thoroughly to confirm compatibility with existing firmware and hardware architectures.

RF Transceiver ICS Part Context

The SI1081-A-GM belongs to the Si108x family of wireless MCUs. These devices combine high-performance wireless connectivity with ultra-low power processing in a compact 5x6 mm package. The family targets applications needing efficient integration of radio and control functions without external components.