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SP338E - RS-232/RS-485/RS-422 TRANSCEIVER

Description

The SP338 is an advanced multiprotocol transceiver supporting RS-232, RS-485, and RS-422 serial standards in a 40 pin QFN package.

Features

  • Pin selectable Cable Termination.
  • No external resistors required for RS-485/422 termination and biasing.
  • 3.3V or 5V Single Supply Operation.
  • Robust ESD Protection on bus pins.
  • ±15kV Human Body Model (HBM).
  • ±8kV IEC 61000-4-2 (Contact).
  • Max Data Rate of 20Mbps in RS-485/422 Modes and up to 1Mbps in RS-232 Modes.
  • Pin selectable 250kbps Slew Limiting.
  • 3 Drivers, 5 Receivers RS-232/V.28.
  • 2 Drivers, 4 Receivers RS-485/422.
  • Full, Half, and Mixed.

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Datasheet Details

Part number SP338E
Manufacturer MaxLinear
File Size 1.76 MB
Description RS-232/RS-485/RS-422 TRANSCEIVER
Datasheet download datasheet SP338E Datasheet

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Full PDF Text Transcription

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SP338E RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION FEBRUARY 2018 REV. 1.0.1 GENERAL DESCRIPTION The SP338 is an advanced multiprotocol transceiver supporting RS-232, RS-485, and RS-422 serial standards in a 40 pin QFN package. Integrated cable termination and four configuration modes allow all three protocols to be used interchangeably over a single cable or connector with no additional switching components. Full operation requires only four external charge pump capacitors. The RS-485/422 modes feature up to two drivers and four receivers (2TX/4RX) in half, full, and mixed duplex configurations. The RS-232 mode (3TX/5RX) provides full support of all eight signals commonly used with the DB9 RS-232 connector. A dedicated diagnostic loopback mode is also provided.
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