Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1990-11-07
1992-09-01
Deboer, Todd E.
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
341158, H03M 138
Patent
active
051443104
ABSTRACT:
The invention provides an A/D converter which comprises reference voltage generator means for generating a plurality of reference input voltages from a power supply, a comparator composed of switching means for inputting into the A/D converter an external analog input voltage and the reference input voltages and of an amplifier for amplifying the respective input voltages, and control means for controlling the reference voltage generator means and the comparator on the basis of an output from the comparator; the amplifier circuit of the comparator sharing its power supply with the reference voltage generator means.
REFERENCES:
patent: 4293848 (1981-10-01), Cheng et al.
patent: 4647903 (1987-03-01), Ryu
Deboer Todd E.
Mitsubishi Denki & Kabushiki Kaisha
Young B. K.
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