Pipelined analog to digital converter

Details Pipelined analog to digital converter Pipelined analog to digital converter

1995-03-31

1996-11-05

Gaffin, Jeffrey A.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341172, H03M 144

Patent

active

055722121

ABSTRACT:
A pipelined analog to digital converter in which data samples ripple down through the pipeline of comparator stages. Each stage of the pipeline includes switch capacitor amplifiers for comparing an analog signal to a first reference voltage, to a second reference voltage, and to an average of the first and second reference voltages. Fan out of circuit components can be eliminated in succeeding stages, and error correction is provided by including overlapping of ranges passed by an earlier stage to a subsequent stage.

REFERENCES:
patent: 4306224 (1981-12-01), Geller et al.
patent: 4507121 (1986-02-01), Carbrey
patent: 4760376 (1988-07-01), Kobayashi et al.
patent: 4894657 (1990-02-01), Hwang et al.
patent: 5212486 (1993-05-01), Nagaraj
patent: 5298814 (1994-03-01), Caruso
patent: 5321402 (1994-06-01), Matsuzawa et al.
patent: 5394148 (1995-02-01), Matsuura et al.
patent: 5402128 (1995-03-01), Kusumoto et al.

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