SI1081-A-GMR

IC RF TXRX+MCU ISM<1GHZ 36-WFQFN
Part Description

IC RF TxRx + MCU General ISM < 1GHz 142MHz ~ 1.05GHz 36-WFQFN Exposed Pad

Quantity 1,329 Available (as of May 5, 2026)
Product CategoryRF Transceiver ICs
ManufacturerSilicon Labs
Manufacturing StatusObsolete
Manufacturer Standard Lead TimeN/A
Datasheet

Specifications

Part Package 36-WFQFN Exposed Pad
Device Package 36-QFN (5×6)
Mounting Method Surface Mount
Voltage 1.8V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Type: TxRx + MCU
RF Family/Standard: General ISM < 1GHz
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
GPIO: 15
Voltage – Supply: 1.8V ~ 3.6V
Current – Receiving: 10.7mA ~ 13.7mA
Current – Transmitting: 70mA ~ 85mA

Environmental

REACH ComplianceREACH Unknown
RoHS ComplianceROHS3 Compliant
Moisture Sensitivity Level2 (1 Year)
ECCN5A991G
HTS Code8542.39.0001
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