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MICRF229 - 400MHz to 450MHz ASK/OOK Receiver

Datasheet Summary

Description

The MICRF229 is a 400MHz to 450MHz superheterodyne, 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.

Features

  • 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.

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Datasheet Details

Part number MICRF229
Manufacturer Micrel Semiconductor
File Size 837.09 KB
Description 400MHz to 450MHz ASK/OOK Receiver
Datasheet download datasheet MICRF229 Datasheet
Additional preview pages of the MICRF229 datasheet.

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Full PDF Text Transcription

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MICRF229 400MHz to 450MHz ASK/OOK Receiver with Auto-Poll and RSSI General Description The MICRF229 is a 400MHz to 450MHz superheterodyne, 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.
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