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SX1231J - Low Power Integrated UHF Transceiver

Datasheet Summary

Description

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.

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 retention =100nA.
  • Programmable TX Power: -18 to +17 dBm in 1dB steps.
  • Constant RF performance over VDD voltage range.
  • FSK bit rates up to 300 kb/s.
  • Fully integrated synthesizer with a.

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Datasheet preview – SX1231J

Datasheet Details

Part number SX1231J
Manufacturer Semtech Corporation
File Size 362.42 KB
Description Low Power Integrated UHF Transceiver
Datasheet download datasheet SX1231J Datasheet
Additional preview pages of the SX1231J datasheet.

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Full PDF Text Transcription

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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 FIFO Control Registers - Shift Registers - SPI Interface RESET SPI RXTX DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 GENERAL DESCRIPTION The SX1231J is an ARIB compliant highly integrated RF transceiver which operates over all Japanese sub-GHz frequency bands.
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