Comparator operable with low power supply voltage

Details Comparator operable with low power supply voltage Comparator operable with low power supply voltage

1996-06-26

1998-10-13

Ton, My-Trang Nu

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 91, 327309, H03K 522

Patent

active

058217800

ABSTRACT:
A comparator includes a sampling section for respectively obtaining first and second voltage signals from first and second target voltage signals. An amplifier section includes first and second amplifiers and amplifies the obtained first and second voltage signals by the first and second amplifiers, respectively. A shifting section shifts the obtained first and second voltage signals into predetermined operation ranges of the first and second amplifiers in voltage level, respectively. A latching section latches outputs of the first and second amplifiers to output data determined based on the first and second voltage signals.

REFERENCES:
patent: 5173870 (1992-12-01), Sukashita et al.
patent: 5264740 (1993-11-01), Wright
patent: 5546028 (1996-08-01), Yamaguchi
patent: 5565800 (1996-10-01), Kobayashi
patent: 5635864 (1997-06-01), Jones
T. Matsuura et al., "A 95-mW, 10-bit, 15-MHz Low-Power CMOS ADC Using Double-Sampled Pipelining", ICD92-21, pp. 17-22.

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