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MAX232CPE RS232 Transmitter/Receiver

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Quoting product code: FD92A

£3.69

About this product

Overview

  • Dual RS-232 receiver/transmitter requiring a single +5V supply
  • IC has two on-board charge pump voltage converters
  • Four level translators

Product overview

  • Dual RS-232 receiver/transmitter requiring a single +5V supply
  • IC has two on-board charge pump voltage converters
  • Four level translators

A dual RS-232 receiver/transmitter that meets all the EIA RS-232C specifications while requiring only a single +5V supply. This significantly simplifies system design by removing the need to provide power supply voltages other than +5V. The IC has two on-board charge pump voltage convertors which generate +10V and -10V power supplies from the single +5V supply.The IC contains four level translators, two of which convert TTL/CMOS input levels into ±9V RS-232 outputs ready for transmission, and two of which convert RS-232 inputs to 5V TTL/CMOS levels. The receivers have a nominal threshold of 1.3V, a typical hysteresis of 0.5V, and can operate with up to ±30V inputs.

Specification

Characteristics:
Supply voltage: 5V ±10%
Output voltage swing: ±9V
RS-232 input voltage: ±30V max
Propagation delay: 0.5µs
Output resistance: 300Ω min
RS-232 short circuit current ± 10mA

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