Patent ID: 8525719

Claim:
An electronic device for analog-to-digital conversion using successive approximation, the device comprising: a successive approximation register storing a digital value; a digital-to-analog converter coupled to said successive approximation register, said digital-to-analog converter adapted to convert said digital value stored in said successive approximation register into an analog value and output said analog value; a comparator coupled to said digital-to-analog converter and receiving an analog input value, said comparator adapted to compare said analog value output from said digital-to-analog converter with said analog input value and generate a comparison signal; a control stage connected to said successive approximation register and said comparator, said control stage adapted to load a first digital value into said successive approximation register, increase said digital value stored said successive approximation register if said comparison signal indicates said analog value output from said digital-to-analog converter is less than said analog input value, and decrease said digital value stored said successive approximation register if said comparison signal indicates said analog value output from said digital-to-analog converter is greater than said analog input value.