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MLX71122
Receiver - 300 to 930MHz FSK/FM/ASK, Multi-Channel Programmable (32L QFN 5x5 Quad)
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The MLX71122 is a multi-channel receiver IC based on a double-conversion super-heterodyne architecture. It is designed to receive FSK and ASK modulated RF signals either in 8 predefined frequency channels or frequency programmable via a 3-wire serial programming interface (SPI).
The IC is designed for a variety of applications, for example in the European bands at 433MHz and 868MHz or for the use in North America or Asia, e.g. at 315MHz, 447MHz or 915MHz.
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Features and Benefits
- Programmable PLL synthesizer
- 8-channel pre-configured or fully programmable SPI mode
- Double super-heterodyne receiver architecture with 2nd mixer as image rejection mixer
- Reception of FSK, FM and ASK modulated signals
- Low shut-down and operating currents
- AFC - automatic frequency correction
- AGC - automatic gain control
- On-chip IF filter
- Fully integrated FSK/FM demodulator
- RSSI for level indication and ASK detection
- 2nd order low-pass data filter
- Positive and negative peak detectors
- Data slicer (with averaging or peak-detector adaptive threshold)
- 32 pin Quad Flat No-Lead 32L QFN 5x5 Quad
Product Applications
Wireless Access Control
Tire Pressure Monitoring Systems (TPMS)
Remote Keyless Entry (RKE)
Remote Controls
Alarm and Security Systems
Garage Door Openers
Active RFID Tags
General Digital or Analog Data Receiving
Home and Building Automation
Low Power Telemetry Systems
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