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MAX251EPD+

RS232 Transceiver Isolated, 2 Drivers, 4.5V to 5.5V Supply, DIP-14

MAXIM INTEGRATED PRODUCTS MAX251EPD+

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Manufacturer Part No:
MAX251EPD+
Order Code:
2511846
Technical Datasheet:
MAX251EPD+   Datasheet
See all Technical Docs

Product Overview

The MAX251EPD+ is a +5V powered, isolated, RS232 driver/receiver in 14 pin DIP package. It is a chip set form the heart of a complete electronically isolated RS232 dual transmitter/receiver. By combining many functions on two chips, the cost and complexity required for an isolated digital interface is greatly reduced. Four low cost optocouplers, four capacitors, a diode and a small pot-core type transformer are all that are required to complete a 19.2k baud transceiver. Faster data rates are possible by using high-speed optocouplers. In addition to the driving and receiving circuitry for the optocouplers, the chip set includes a push-pull transformer driver to supply power to the interface's isolated side. This device is used in bridge ground differentials and data links to analogue circuits.
  • Supply voltage range is 4.5V to 5.5V
  • Operating temperature range from -40°C to 85°C
  • Isolated data interface
  • Positive supply current is 2.5mA
  • Shutdown power is 5µW
  • 2 transmitters and 2 receivers
  • 3-state enable time tEN is 3.5µS, 3-state disable time is 1µS
  • Maximum threshold voltage is 2V

Applications

Communications & Networking, Industrial

Product Information

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:
Transceiver

:
RS232

:
2Drivers

:
2Receivers

:
4.5V

:
5.5V

:
DIP

:
14Pins

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

34 In stock

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