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Series Resistor DAC Array
This tool calculates the fixed and switch-able element resistance for N binary weighted switch-able resistance from the nominal resistance value, specified range coverage and numbere of binary weighted bits. The tool is useful in circuits like Filter, ADC, resistor DAC etc where switched resistors are used for tuning against process variations.

Block diagram

Inputs
Nominal Resistance Value (>0) kohms
Required percentage range of resistance %
Number of binary weighed bits bits
 
Outputs
Minimum Fixed Resistance kohms
Resistance Step Size kohms
Tuning Quantization Error +/- %
Total Resistance kohms
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