Operational amplifier incorporating current matrix type digital-

Details Operational amplifier incorporating current matrix type digital- Operational amplifier incorporating current matrix type digital-

1996-04-22

1998-01-06

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

H03M 166

Patent

active

057060061

ABSTRACT:
In a digital-to-analog converter including a plurality of constant current sources, a plurality of first current switch elements connected between the constant sources and a first output terminal, and a plurality of second current switch elements connected between the constant current sources and a second output terminal, a reference voltage of the constant current sources is generated by an operational amplifier. The operational amplifier is disabled in response to a current control signal to turn OFF all the constant current sources.

REFERENCES:
patent: 4381497 (1983-04-01), Lillis et al.
patent: 4814688 (1989-03-01), Colles

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