3.1: A 3.2GS/s 10 ENOB 61mW Ringamp ADC in 16nm with Background Monitoring of Distortion
© 2019 IEEE
International Solid-State Circuits Conference
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GIGA-SAMPLE ADCS
MOTIVATION
▪ High performance giga-sample ADCs
▪ >9 ENOB, >70 dB SFDR, >2GS/s
▪ E.g. direct-RF sampling
▪ Architectures use residue-amplification
▪ Minimizes # of interleaved channels
▪ High bandwidth amplifiers severely limit power efficiency
▪ Design freedom reduced as a consequence
▪ Next generation amplification solutions are needed
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