RF Receivers
Semtech SX1239

Semtech SX1239

Low Cost Integrated RF Receiver, 16mA, 290-1000MHz

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The SX1239 is a highly integrated RF receiver 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


  • 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
  • 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 demodulation
  • 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
  • AEC-Q100 Qualified Part
  • 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

  • SX1239IMLTRT (3000 pieces, Tape and Reel)
 
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