SX1231J Datasheet - Semtech Corporation

SX1231J Low Power Integrated UHF Transceiver

The SX1231J is an ARIB compliant highly integrated RF transceiver which operates over all Japanese sub-GHz frequency bands. Its highly integrated digital architecture minimizes external components and provides flexibility for optimizing the system parameters and performance. The high sensitivity and.

SX1231J WIRELESS & SENSING SX1231J Transceiver Low Power Integrated UHF Transceiver DATASHEET RFIO VBAT1&2 VR_ANA VR_DIG Power Distribution System LNA Σ/Δ Single to Mixers Modulators Differential RC Oscillator GND VR_PA PA_BOOST PA0 Ramp & Control PA1&2 Tank Inductor Loop Filter Division by 2, 4 or 6 Frac-N PLL Synthesizer XO 32 MHz XTAL Interpolation & Filtering Modulator RSSI AFC GND Decimation and & Filtering Demodulator & Bit Synchronizer Packet Engine & 66 Bytes F.

SX1231J Features

* High Sensitivity: down to -120 dBm at 1.2 kbps

* Robust Selectivity: 42dB at 25kHz offset

* Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm, 80 dB Blocking Immunity, no Image Frequency response

* Low current receive mode = 16 mA

* Low current sleep mode with register ret

SX1231J-SemtechCorporation.pdf