RF Transceivers
  • SX1272
    • Long Range, Low Power RF Transceiver 860-1000MHz with LoRa(TM)
  • SX1276
    • 137-1050 MHz Ultra Low Power Long Range Transceiver
  • SX1235
    • ETSI Category 1 Compliant RF Transceiver
  • SX1232
    • Ultra Low Power (9.3mA RX) High Performance RF Transceiver
  • SX1211
    • Ultra Low Power (3mA RX) RF Transceiver 862-960MHz
  • SX1212
    • Ultra Low Power (3mA RX) RF Transceiver 310-510MHz
  • SX1231H
    • Integrated RF Transceiver with on +20dBm 290-1000MHz
  • SX1231J
    • Low Power Integrated UHF Transceiver
Semtech SX1231

Semtech SX1231

Integrated RF Transceiver with on +17dBm 290-1000MHz

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 while maintaining maximum design flexibility.

FHSS Wireless Star Network Software

Semtech & Virtual Extension Wireless Mesh Chipset

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 current: Rx = 16 mA, 100nA register retention
  • Programmable Pout: -18 to +17 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, AES-128 encryption and 66- byte FIFO
  • Built-in temperature sensor and Low Battery indicator

Applications


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

Packaging

  • QFN-24

Order Codes

  • SX1231IMLTRT: Pb-free, Halogen free, RoHS/WEEE compliant, 3000 pcs, Tape & Reel
  • SX1231MESH-868: Mesh Network 868MHz Starter Kit
  • SX1231MESH-915: Mesh Network 915MHz Starter Kit