Dual-slope analog-to-digital converter with voltage to current c

Details Dual-slope analog-to-digital converter with voltage to current c Dual-slope analog-to-digital converter with voltage to current c

1986-08-12

1989-07-25

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Bipolar

341166, 341167, 324 99D, H03M 150

Patent

active

048518395

ABSTRACT:
An analog-to-digital converter is provided based on supplying various multiplexed inputs, including analog input signal samples, to a voltage-to-current converter charging and discharging an integrated capacitor. A comparator determines the status of this capacitor to a control counter to provide digital representations.

REFERENCES:
patent: 4217543 (1980-08-01), Strong
patent: 4309692 (1982-01-01), Crosby
patent: 4420743 (1983-12-01), Upadhyayula
Strong, Rough Life of Digital Multimeter . . . ; Electronics, Jun. 23, 1977, pp. 107-112.
The Engineering Staff of Analog Devices, Inc., Analog-Digital Conversion Handbook, 6/1972, pp. II-32 to II-34; III-1 to III-14; and III-46 to III-56.
The Engineering Staff of Analog Devices, Inc., Analog-Digital Conversion Handbook, 6/1972, pp. II-35 to III-37.
Datel Datasheet for the 12-Bit Converter With Microprocessor Interface ADC 7109, published in 1983 by Datel Inc.

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