Digital to analog converter

Details Digital to analog converter Digital to analog converter

2011-08-23

2011-08-23

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S145000, C341S154000

Reexamination Certificate

active

08004439

ABSTRACT:
A digital to analog converter with two outputs controlled by an input signal with n-bits is disclosed. A reference voltage circuit generates (2n+1) reference voltages numbered from 1 to (2n+1). A switch array coupled to the reference voltage circuit, a first output terminal, and a second output terminal, includes a plurality of switches switching according to the input signal. The first output terminal outputs only one of odd reference voltages according to the input signal, and the second output terminal outputs one of even reference voltages according to the input signal, and the number of the switches is less than (n×2n+2n).

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