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XR32220 - 2-Driver/2-Receiver Intelligent RS-232 Transceiver

General Description

The XR32220 product is a 2 driver/ 2 receiver RS-232 transceiver featuring a variable low voltage logic interface, down to 1.65V.

This product is intended for portable or hand-held applications such as notebook and palmtop computers.

Key Features

  • Meets true EIA/TIA-232-F Standards from a +3.0V to 5.5V power supply.
  • Interoperable with EIA/TIA-232 and adheres to EIA/TIA-562 down to a +2.7V power source.
  • 1.65V to 5.5V Logic Interface VL pin.
  • AUTO ON-LINE circuitry automatically wakes up from a 1A shutdown.
  • Regulated Charge Pump yields stable RS-232 Outputs regardless of VCC variations.
  • Enhanced ESD Specifications.
  • ±15kV Human Body Model.
  • ±15kV IEC61000-4-2 Air Discharg.

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Full PDF Text Transcription (Reference)

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XR32220 2-Driver/2-Receiver Intelligent RS-232 Transceiver with 1.65V-5.5V Interface General Description The XR32220 product is a 2 driver/ 2 receiver RS-232 transceiver featuring a variable low voltage logic interface, down to 1.65V. This product is intended for portable or hand-held applications such as notebook and palmtop computers. The XR32220EBER device feature slew-rate limited outputs for reduced crosstalk and EMI. The XR32220EUER device is optimized for high speed with data rates up to 1Mbps, easily meeting the demands of high speed RS-232 applications. The XR32220 uses an internal high-efficiency charge-pump power supply that requires only four 0.1μF capacitors in 3.3V operation.