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MAX3158 Dataheets PDF



Part Number MAX3158
Manufacturers Maxim Integrated
Logo Maxim Integrated
Description High CMRR RS-485 Transceiver
Datasheet MAX3158 DatasheetMAX3158 Datasheet (PDF)

19-2778; Rev 0; 2/03 MAX3158 High CMRR RS-485 Transceiver with ±60V Isolation General Description The MAX3158 is a high CMRR RS-485/RS-422 data-communications interface providing ±60V isolation in a hybrid microcircuit. A single +5V supply on the logic side powers both sides of the interface, with external 100V capacitors transferring power from the logic side to the isolated side. Each MAX3158 contains one transmitter and one receiver and is guaranteed to operate at data rates up to 250kbps.

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19-2778; Rev 0; 2/03 MAX3158 High CMRR RS-485 Transceiver with ±60V Isolation General Description The MAX3158 is a high CMRR RS-485/RS-422 data-communications interface providing ±60V isolation in a hybrid microcircuit. A single +5V supply on the logic side powers both sides of the interface, with external 100V capacitors transferring power from the logic side to the isolated side. Each MAX3158 contains one transmitter and one receiver and is guaranteed to operate at data rates up to 250kbps. Drivers are short-circuit current limited and protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high receiver output if the inputs are open, shorted, or connected to a terminated transmission line with all drivers disabled. The MAX3158 typically draws 25mA of supply current when unloaded or when fully loaded with the driver disabled. Supply .


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