SAR analog-to-digital converter with two single ended inputs

Details SAR analog-to-digital converter with two single ended inputs SAR analog-to-digital converter with two single ended inputs

2005-04-19

2005-04-19

Wamsley, Patrick (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S118000

Reexamination Certificate

active

06882298

ABSTRACT:
Self calibrating SAR analog-to-digital converter. A data converter for converting analog data on a differential data input having a positive analog input terminal and a negative analog input terminal to digital data. The data converter includes a first single ended successive approximation register (SAR) analog-to-digital converter for converting the analog signal on the positive analog input terminal to a first digital signal and a second single ended successive approximation register (SAR) analog-to-digital converter for converting the analog signal on the negative analog input terminal to a second digital signal. A circuit for combining the first and second digital signals as a digital output signal for the data converter that represents the difference between the analog signals on the positive and negative analog input terminals.

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