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MAX1471 - 3V/5V ASK/FSK Superheterodyne Receiver

General Description

The MAX1471 low-power, CMOS, superheterodyne, RF dual-channel receiver is designed to receive both amplitude-shift-keyed (ASK) and frequency-shift-keyed (FSK) data without reconfiguring the device or introducing any time delay normally associated with changing modulation schemes.

Key Features

  • ASK and FSK Demodulated Data on Separate Outputs.
  • Specified over Automotive -40°C to +125°C Temperature Range.
  • Low Operating Supply Voltage Down to 2.4V.
  • On-Chip 3V Regulator for 5V Operation.
  • Low Operating Supply Current 7mA Continuous Receive Mode 1.1µA Deep-Sleep Mode.
  • Discontinuous Receive (DRX) Low-Power Management.
  • Fast-On Startup Feature < 250µs.
  • Integrated PLL, VCO, and Loop Filter.
  • 45dB Integrated Image Re.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com 19-3272; Rev 1; 3/05 315MHz/434MHz Low-Power, 3V/5V ASK/FSK Superheterodyne Receiver General Description The MAX1471 low-power, CMOS, superheterodyne, RF dual-channel receiver is designed to receive both amplitude-shift-keyed (ASK) and frequency-shift-keyed (FSK) data without reconfiguring the device or introducing any time delay normally associated with changing modulation schemes. The MAX1471 requires few external components to realize a complete wireless RF digital data receiver for the 300MHz to 450MHz ISM bands. The MAX1471 includes all the active components required in a superheterodyne receiver including: a lownoise amplifier (LNA), an image-reject (IR) mixer, a fully integrated phase-locked loop (PLL), local oscillator (LO), 10.