SX1239 Datasheet (Semtech Corporation) - Low Power Integrated UHF Receiver

SX1239, Low Power Integrated UHF Receiver

The SX1239 is a highly integrated RF receiver capable of operation over a wide frequency range, including the 433, 868 and 915 MHz license-free ISM (Industry Scientific and Medical) frequency bands.

Its highly integrated architecture allows for a minimum of external components whilst maintaining max

www.DataSheet.co.kr SX1239 ADVANCED COMMUNICATIONS & SENSING DATASHEET SX1239 Receiver Low Power Integrated UHF Receiver VBAT1&2 VR_ANA VR_DIG RC Oscillator Σ/Δ Modulators Demodulator & Bit Synchronizer Decimation and & Filtering RESET Power Distribution System LNA Single to Differential Mixers RFIN Control Registers - Shift Registers - SPI Interface RSSI Division by 2, 4 or 6 AFC Packet Engine & 66 Bytes FIFO SPI GND DIO0 DIO1 DIO2 DIO3 DIO4 Tank Inductor NC NC NC Loop Filter F

SX1239 Features

* High Sensitivity: down to -120 dBm at 1.2 kbps High Selectivity: 16-tap FIR Channel Filter Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm, 80 dB Blocking Immunity, no Image Frequency response Low current: R