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首页产品索引MICRF229

MICRF229

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400MHz to 450MHz ASK/OOK Receiver with Auto-Poll and RSSI

 

产品信息

The MICRF229 is a 400MHz to 450MHz super-heterodyne, image-reject, RF receiver with automatic gain control, ASK/OOK demodulator, and analog RSSI output. It only requires a crystal and a minimum number of external components to implement. The MICRF229 is ideal for low-cost, low-power, RKE, TPMS, and remote actuation applications.

The MICRF229 achieves -112dBm sensitivity at a bit rate of 1kbps with 1% BER. Eight demodulator filter bandwidths are selectable in binary steps from 1625Hz to 34kHz at 433.92MHz, allowing the device to support bit rates up to 20kbps. The device operates from a supply voltage of 3.5V to 5.5V, and typically consumes 6.0mA at 433.92MHz. The MICRF229 has a shutdown mode and sleep mode that reduce current to 0.5μA and 15μA respectively.

  -112dBm sensitivity at 1kbps with 1% BER

  Auto-polling mode with bit checking

  Supports bit rates up to 20kbps at 433.92MHz

  25dB image-reject mixer

  No IF filter required

  60dB analog RSSI output range

  3.5V to 5.5V supply voltage range

  6.0mA supply current at 434MHz

  15μA supply current in sleep mode

  0.5μA supply current in shutdown mode

  16-pin 4.9mm × 6.0mm QSOP package

  -40°C to +105°C temperature range

  2kV HBM ESD rating

电路图、引脚图和封装图

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