RF Transceivers
  • SX1272
  • Long Range, Low Power RF Transceiver 860-1000MHz with LoRa® Technology
  • SX1273
  • Long Range, Low Power RF Transceiver 860-1000MHz with LoRa™
  • SX1276
  • 137 MHz to 1020 MHz Low Power Long Range Transceiver
  • SX1277
  • 137 MHz to 1020 MHz Low Power Long Range Transceiver
  • SX1278
  • 137 MHz to 525 MHz Low Power Long Range Transceiver
  • SX1279
  • 137 MHz to 960 MHz Low Power Long Range Transceiver
  • SX1236
  • 137 MHz to 1020 MHz Low Power Bi-Band Transceiver
  • SX1238
  • SX1238 - Fully Integrated Transceiver with +27dBm TX Power
Semtech SX1231H

Semtech SX1231H

Integrated RF Transceiver with on +20dBm 290-1000MHz

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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 while maintaining maximum design flexibility.

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, 100nA register retention
  • Programmable Pout: -18 to +20 dBm in 1dB steps
  • Constant RF performance over voltage range of chip
  • FSK Bit rates up to 300 kb/s
  • Fully integrated synthesizer with a resolution of 61 Hz
  • FSK, GFSK, MSK, GMSK and OOK modulations
  • Built-in Bit Synchronizer performing Clock Recovery
  • Incoming Sync Word Recognition
  • 115 dB+ Dynamic Range RSSI
  • Automatic RF Sense with ultra-fast AFC
  • Packet engine with CRC-16, AES-128, 66-byte FIFO
  • Built-in temperature sensor

Applications


  • Automated Meter Reading
  • Wireless Sensor Networks
  • Home and Building Automation
  • Wireless Alarm and Security Systems

Packaging

  • QFN 24

Order Codes

  • SX1231HIMLTRT - Pb-free, Halogen free, RoHS/WEEE compliant product
 
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