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RS-232 transceiver packs fault protection

Posted: 02 Sep 2009 ?? ?Print Version ?Bookmark and Share

Keywords:RS-232 transceiver? fault protection? interface?

Maxim Integrated Products introduces the MAX13223E, a 70V fault-protected, dual-channel RS-232 transceiver. Integrating 70V fault protection on the RS-232 interface pins, it eliminates the need for external fault-protection circuitry, such as polyswitch limiters and zener diodes.

Integrated fault protection is critical for applications in which power and data are transmitted along the same cable, as it prevents user errors and keeps damaged cables from being shorted directly to the interface pins. The MAX13223E is designed for automotive applications, telematics, base stations, utility meters, industrial equipment, point-of-sale terminals and telecom equipment.

The MAX13223E operates from +3V to +5.5V and provides an EIA/TIA-232 and V.28/V.24 communications interface with automatic shutdown and enhanced ESD protection. It is fully specified over the -40C to +85C extended temperature range and is available in a 20-pin TSSOP package. Pricing starts at $2.70 (1,000-up, FOB USA).

For application notes on transceivers click here.





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