Delta sigma modulator for analog-to-digital converter

Details Delta sigma modulator for analog-to-digital converter Delta sigma modulator for analog-to-digital converter

2011-03-15

2011-03-15

Lauture, Joseph (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S155000

Reexamination Certificate

active

07907079

ABSTRACT:
A method for operating a single slope analog-to-digital converter (ADC) includes providing a ramp generator to provide at least one voltage-ramp segment; applying delta-sigma modulation to the voltage-ramp generator to generate a delta-sigma modulated voltage ramp; operating a digital counter synchronously with the voltage-ramp generator; comparing the delta-sigma modulated voltage-ramp to an input voltage; and latching a count from the digital counter in response to the output of the comparator.

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Notice of Allowance in corresponding Japanese Patent No. 2009-039608 filed Feb. 23, 2009 and published as JP 2009-201113 on Sep. 3, 2009 entitled “Delta Sigma Modulator For Analog-To-Digital Converter.”.

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