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MAX3157 High CMRR RS-485 Transceiver

MAX3157 Description

19-1778; Rev 3; 11/01 High CMRR RS-485 Transceiver with ±50V Isolation General .
The MAX3157 is a high CMRR RS-485/RS-422 data-communications interface providing ±50V isolation in a hybrid microcircuit.

MAX3157 Features

* independently programmable receiver and transmitter output phase through separate pins. The MAX3157 is a low-cost replacement for opto-isolated transceivers. For fully isolated RS-485/RS-422 transceivers, refer to the MAX1480 family data sheet. o ±50V Isolated Data Interface o +5V Single Supply o Lo

MAX3157 Applications

* Industrial Controls Level Translators Telecommunications Local Area Networks VCC 0.1µF VCC H/F TXP RXP MICRO DE DI RE RO GND ISOVCC A B Y Z YR ZR AR BR Pin Configurations appear at end of data sheet. Typical Operating Circuit MAX3157 RT = 100Ω RS-485 NODE RG C1LO C1HI C2LO C2HI ISOCOM ±50V C

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High CMRR RS-485 Transceiver Maxim
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