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RS-232 transceiver integrates fault protection

Posted: 02 Sep 2009     Print Version  Bookmark and Share

Keywords:RS-232 transceiver  fault protection  interface 

Maxim Integrated Products has launched 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 -40°C to +85°C extended temperature range and is available in a 20-pin TSSOP package. Pricing starts at Rs.131.89 ($2.70) for 1,000-up, FOB USA.

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