Analog-to-digital converter

Details Analog-to-digital converter Analog-to-digital converter

2005-05-10

2005-05-10

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S135000

Reexamination Certificate

active

06891495

ABSTRACT:
An analog-to-digital converter including analog-to-digital converting units connected in serial. The current comparator includes a current input terminal to receive a sampling current, a reference current input terminal to receive a reference current and a bit output terminal for outputting a bit signal. The current operation circuit includes a current output terminal for outputting a compared current according to the sampling current and the reference current. The operation controlling terminal selects the compared current according to the bit signal. The controlling terminal receives a clock signal to latch the bit signal. The analog-to-digital converting units output the bit signals in sequence in a period of the clock signal.

REFERENCES:
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patent: 5283582 (1994-02-01), Krenik
patent: 5963158 (1999-10-01), Yasuda
patent: 5990820 (1999-11-01), Tan
patent: 6167132 (2000-12-01), Krone et al.
patent: 6492930 (2002-12-01), Enriquez
patent: 6507523 (2003-01-01), Pekny
patent: 6567023 (2003-05-01), Iwata

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