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RS232 Line To 5 V Level Converter

2016-01-18 17:33  
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RS 232 line to 5 V converter circuit schematic diagram is shown on the following figure. The MAX680 is normally used as a charge pump voltage converter. This converter can convert 5 V to ±10V. The MAX 680 works in reverse in this circuit. That means MAX 680 converter the RS 232 signal levels to a lower voltage. The output voltage varies from 5.3 V open circuit to 4.5 V with a 5 mA output load when the RS232 inputs are driven by 1488 drivers powered by ±12 V.

RS 232 line to 5 V circuit schematic diagram

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