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DAC and Op Amp Generate Variable Negative Control Voltage

资料介绍
Abstract: This design idea describes a simple circuit to generate a programmable negative control voltage. It takes the output of a single supply digital-to-analog converter (DAC) and produces a variable negative voltage. The DAC output from 0V to +2.5V is converted to 0V to -5V at the output.
Maxim > App Notes > A/D and D/A CONVERSION/SAMPLING CIRCUITS
AMPLIFIER AND COMPARATOR CIRCUITS SIGNAL GENERATION CIRCUITS

Keywords: DACs, single supply DAC, variable negative control voltage, programmable negative voltage, May 24, 2002
positive to negative voltage translator, digital analog converter, digital to analog converters

APPLICATION NOTE 1074
DAC and Op Amp Generate Variable Negative Control Voltage

Abstract: This design idea describes a simple circuit to generate a programmable negative control voltage. It
takes the output of a single supply digital-to-analog converter (DAC) and produces a variable negative voltage.
The DAC output from 0V to +2.5V is converted to 0V to -5V at the output.


Early digital-to-analog converters (DACs) were designed with standard R-2R ladders, a……
DAC and Op Amp Generate Variable Negative Control Voltage
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