Current control circuit

Details Current control circuit Current control circuit

2009-03-24

2010-10-05

Mai, Lam T (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

C331S014000

Reexamination Certificate

active

07808410

ABSTRACT:
Provided is a current control circuit. A current control circuit may include a clock sensing unit configured to generate a control signal according to one or more frequencies based on a plurality of clock signals, and a current scaling unit configured to scale a bias current according to the control signal. The current control circuit according to example embodiments may dynamically control a bias current according to one or more frequencies based on a plurality of clock signals so that power consumption of an analog-to-digital converter (ADC) and the semiconductor device including the ADC, which require various operating frequencies, may be improved.

REFERENCES:
patent: 6134430 (2000-10-01), Younis et al.
patent: 6686860 (2004-02-01), Gulati et al.
patent: 6864817 (2005-03-01), Salvi et al.
patent: 7190299 (2007-03-01), Nakamori et al.
patent: 2006/0197558 (2006-09-01), Starr et al.

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