Controlling bias current for an analog to digital converter

Details Controlling bias current for an analog to digital converter Controlling bias current for an analog to digital converter

2011-08-16

2011-08-16

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

Reexamination Certificate

active

07999714

ABSTRACT:
A converter includes an analog to digital converter having a bias current input, a control input, and an analog input to provide a digital output as a function of the analog input. A bias module is coupled to the bias current input to provide bias current to the analog to digital converter. A controller is coupled to the bias module and to the control input of the analog to digital converter. The controller controls the analog to digital converter to sample an analog input and controls the bias module to provide an operating bias current during sampling of the analog input and an idle bias current when not sampling the analog input.

REFERENCES:
patent: 6134430 (2000-10-01), Younis et al.
patent: 7253763 (2007-08-01), Garlapati et al.
patent: 7750837 (2010-07-01), Wang et al.
patent: 7808410 (2010-10-01), Kim et al.

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