SX1231H - Low Power Integrated UHF Transceiver
The SX1231H 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
SX1231H ADVANCED COMMUNICATIONS & SENSING SX1231H Transceiver Low Power Integrated UHF Transceiver with On-Chip +20dBm PA DATASHEET RFIO VBAT1&2 VR_ANA VR_DIG Power Distribution System LNA Σ/Δ Single to Mixers Modulators Differential RC Oscillator GND VR_PA PA0 Ramp & Control PA_BOOST PA1&2 Tank Inductor Loop Filter Division by 2, 4 or 6 Frac-N PLL Synthesizer XO 32 MHz Interpolation & Filtering Modulator RSSI AFC Decimation and & Filtering Demodulator & Bit Synchronize
SX1231H Features
* +20 dBm - 100 mW Power Output Capability
* 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: Rx = 16 mA, 100n
