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MAX13450E - RS-485 Transceivers

General Description

The MAX13450E/MAX13451E are half-duplex and fullduplex RS-485/RS-422 transceivers.

These devices feature internal 100I and 120I termination resistors.

The resistor values are pin selectable.

Key Features

  • a logic inversion function. The logic inversion allows phase reversal of the A-B signals in case these are inadvertently connected wrongly. The MAX13450E/MAX13451E have 1/8-unit load receiver input impedance, allowing up to 256 transceivers on the bus. All driver outputs are protected to Q30kV ESD using the Human Body Model (HBM). The MAX13450E/MAX13451E are available in a 14-pin TSSOP package and operate over the automotive -40NC to +125NC temperature range. Resistors S Driver Drives 100I Doub.

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Part Number Description
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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 19-5254; Rev 0; 4/10 RS-485 Transceivers with Integrated 100Ω/120Ω Termination Resistors General Description The MAX13450E/MAX13451E are half-duplex and fullduplex RS-485/RS-422 transceivers. These devices feature internal 100I and 120I termination resistors. The resistor values are pin selectable. A logic supply input allows interfacing to logic levels down to +1.8V. The MAX13450E/MAX13451E feature strong drivers specified to drive low-impedance lines found when a fully loaded bus, based on today’s 100I characteristic impedance cable, is doubly terminated. Both devices allow slew-rate limiting of the driver output to reduce EMI and reflections for data rates up to 500kbps.