SX1231 - Low Power Integrated UHF Transceiver
The SX1231 is a highly integrated RF transceiver 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
www.DataSheet.co.kr SX1231 ADVANCED COMMUNICATIONS & SENSING DATASHEET SX1231 Transceiver Low Power Integrated UHF Transceiver 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 RFIO Control Registers - Shift Registers - SPI Interface Packet Engine & 66 Bytes FIFO SPI RSSI GND Division by 2, 4 or 6 AFC RXTX DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 PA0 Ramp & Control Tan
SX1231 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 curr
