Charge integration successive approximation analog-to-digital co

Details Charge integration successive approximation analog-to-digital co Charge integration successive approximation analog-to-digital co

1999-06-22

2000-09-26

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

H03M 112

Patent

active

061248193

ABSTRACT:
An analog-to-digital converter for on-chip focal-plane image sensor applications. The analog-to-digital converter utilizes a single charge integrating amplifier in a charge balancing architecture to implement successive approximation analog-to-digital conversion. This design requires minimal chip area and has high speed and low power dissipation for operation in the 2-10 bit range. The invention is particularly well suited to CMOS on-chip applications requiring many analog-to-digital converters, such as column-parallel focal-plane architectures.

REFERENCES:
patent: 5793322 (1998-08-01), Fossum et al.
patent: 5801657 (1998-09-01), Fowler et al.
patent: 5929800 (1999-07-01), Zhou et al.

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