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Series Information for MAX14945EWE+ - Maxim Integrated


RS422/RS485 TXRX 500KBPS 5.5V WSOIC16
The MAX14945 isolated RS-485/RS-422 transceiver provides 2750VRMS (60s) of galvanic isolation between the cable side (RS-485/RS-422 driver/receiver side) and the UART side of the device. Isolation improves communication by breaking ground loops and reduces noise when there are large differences in ground potential between ports. Signals are passed across the isolation barrier through integrated high-voltage capacitors. This device allows for robust communication at any speed up to 500kbps. The device includes one half-duplex drive/receive channel. The receiver is 1/8-unit load, allowing up to 256 transceivers on a common bus. Integrated true fail-safe circuitry ensures a logic-high on the receiveroutputwheninputsareshortedoropen.Undervoltage lockout disables the driver when the cable side or UART side power supplies are below functional levels. The driver outputs/receiver inputs are protected from ±30kV electrostatic discharge (ESD) to GNDB on the cable side, as specified by the Human Body Model (HBM). The MAX14945 is available in a wide body 16-pin SO package and operates over the -40°C to +85°C temperature range.


Device Type:
IC Interface Type:
RS422 RS485
No. of Drivers:
No. of Receivers:
Supply Voltage Min:
Supply Voltage Max:
Driver Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
To Be Advised
MSL 1 - Unlimited
IC Generic Number:
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet America

Single Transmitter/Receiver RS-422/RS-485 16-Pin SOIC W Tube

Avnet America product

Avnet Europe

Single Transmitter/Receiver RS-422/RS-485 16-Pin SOIC W Tube

Avnet Europe product

Avnet Asia

Single Transmitter/Receiver RS-422/RS-485 16-Pin SOIC W Tube

Avnet Asia product

Future Electronics

2.75KV Isolated 500kbps Half-Duplex RS-485 Transceiver with +/-30KV ESD