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Germany / General
André Huntrieser
✆: +49 (0) 2129 - 376-202
✉: Send email
Field Applications Engineer
Günter Fuchs
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Tech Support
Raphael Balke
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Austria / Switzerland
Karl Eder
✆: +43 (0) 7448 - 21643-11
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The MLX71120 is a multi-band, single-channel RF receiver based on a double-conversion super-heterodyne architecture. It can receive FSK and ASK modulated signals. The IC is designed for general purpose applica-tions for example in the European bands at 433MHz and 868MHz or for similar applications in North America or Asia, e.g. at 315MHz or 915MHz. It is also well-suited for narrow-band applications according to the ARIB STD-T67 standard in the frequency range 426MHz to 470MHz.
The receiver’s extended temperature and supply voltage ranges make the device a perfect fit for automotive or similar applications where harsh environmental conditions are expected.




Features Application examples
  • Multiband, single-channel RF receiver
  • Double-conversion super-heterodyne architecture
  • Dual RF input for antenna space and frequency diversity, 
    LNA cascading or differential feeding
  • Fully integrated PLL-based synthesizer
  • 2nd mixer with image rejection
  • Reception of ASK or FSK modulated signals
  • Internal FSK demodulator
  • Wide operating voltage and temperature range
  • Very low standby current consumption
  • Low operating current consumption
  • Internal IF filter 10.7MHz or 455kHz
  • Power supply range from 2.1V to 5.5V
  • Temperature range from -40°C to +125°C
  • Shutdown current: typ. 50nA
  • Crystal reference frequency of 16MHz to 27MHz
  • Average or peak detection data slicer mode
  • RSSI output with high dynamic range for RF level indication
  • Output noise cancellation filter
  • MCU clock output
  • High over-all frequency accuracy
  • Compliant to EN 300 220, ARIB STD-T67 and other standards
  • 32L QFN 5x5 package
  • General digital or analog data receiving
  • Automatic meter reading (AMR)
  • Home and building automation
  • Low power telemetry systems
  • Alarm and Security Systems
  • Consumer remote controls
  • Garage and gate controls 
  • Wireless access control
  • Remote controls