Successive approximation analog-to-digital converter using CMOS

Details Successive approximation analog-to-digital converter using CMOS Successive approximation analog-to-digital converter using CMOS

1994-02-28

1996-08-06

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341155, 327 77, H03M 138

Patent

active

055437940

ABSTRACT:
According to the analog/digital converting apparatus of the invention, at the connecting part of the sampling capacity and inverter, there is provided an auxiliary circuit so that the potential at the connecting part reaches the clamp potential at high speeds, similar to a switching device set to invite the voltage application by a source voltage, and therefore, the conversion accuracy is not worsened, and the analog/digital conversion time is shortened even if the reference clock pulse is set at higher speeds.

REFERENCES:
patent: 4316105 (1982-02-01), Fowler
patent: 4539551 (1985-09-01), Fujita et al.
patent: 4816701 (1989-03-01), Ando et al.
patent: 4845383 (1989-07-01), Iida
patent: 4893124 (1990-01-01), Tsuji et al.
patent: 5144310 (1992-09-01), Sato
patent: 5397936 (1995-03-01), Wang

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