D/A converter

Details D/A converter D/A converter

1997-08-08

1999-11-02

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

H03M 178

Patent

active

059779004

ABSTRACT:
A buffer amplifier is inserted out the input of a D/A converter circuit having an R/2R ladder circuit configuration to provide a D/A converter which, when the D/A output is in an unused state, has reduced current consumption and, at the same time, can stabilize the reference voltage. When the buffer amplifier is placed in a stand-by state, it sets the output of the D/A converter at a high impedance value.

REFERENCES:
patent: 4651729 (1987-03-01), Rae
Japanese Patent Office Action Dated Oct. 6, 1998 Along With a Translation of Same.

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