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A digital calibration technique based on the split-ADC is proposed to correct linear gain errors in a 10-bit pipelined A/D converter, which allows the use of low-gain amplifiers in conversion stages. Fabricated in a 0.35-μm CMOS technology, the core area of the ADC occupies 1.64 mm2. The opamp-sharing technique helps to reduce the core power consumption to 45 mW from a 3-V supply voltage at 50 MS/s...
A digital background calibration technique is proposed to correct gain errors in pipelined analog-to-digital converters (ADCs). The calibration technique performs the error estimation and the adaptive error correction based on the concept of split ADCs. With the 1- or 1.5-bit realization in pipelined stages, capacitor-mismatch errors can be merged with gain errors, and the proposed calibration technique...
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