Current-integrating successive-approximation analog-to-digital c

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion

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H03M 138

Patent

active

058050973

ABSTRACT:
The current-integrating analog-to-digital converter includes a first charge storage device C.sub.1 ; a second charge storage device C.sub.2 ; an input current I.sub.in coupled to the first charge storage device C.sub.1 for a first time period; a variable reference current I.sub.dac coupled to the second charge storage device C.sub.2 for a second time period; and a comparator 20 for comparing the voltage on the first charge storage device C.sub.1 with the voltage on the second charge storage device C.sub.2.

REFERENCES:
patent: 3631468 (1971-12-01), Spald

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