A 6.2mW 7b 3.5GS/s time interleaved 2-stage pipelined ADC in 40nm CMOS

Annachiara Spagnolo, Bob Verbruggen, Stefano D'amico, Piet Wambacq

Onderzoeksoutput: Conference paper

8 Citaten (Scopus)

Samenvatting

A 7b time interleaved hybrid ADC in 40nm CMOS is presented. The ADC consists of two pipelined stages and combines an intrinsically linear SAR with a fully calibrated binary search architecture to achieve energy efficiency. The first stage of each channel consists of a 3b SAR followed by a dynamic amplifier merged with a comparator. The second stage is a 3b comparator-based asynchronous binary search with threshold calibration to compensate amplifier nonlinearity. The calibration references are generated on chip by using the DAC embedded in the first stage. The prototype achieves a peak SNDR of 38dB at 3.5GS/s while consuming approximately 6.2mW.
Originele taal-2English
TitelEuropean Solid State Circuits Conference (ESSCIRC), ESSCIRC 2014 - 40th
UitgeverijIEEE
Pagina's75-78
ISBN van elektronische versie978-1-4799-5696-8
ISBN van geprinte versie978-1-4799-5694-4
DOI's
StatusPublished - 2014
EvenementEuropean Solid State Circuits Conference (ESSCIRC) - Venice Lido, Italy
Duur: 22 sep 201426 sep 2014

Conference

ConferenceEuropean Solid State Circuits Conference (ESSCIRC)
Verkorte titelESSCIRC 2014
LandItaly
StadVenice Lido
Periode22/09/1426/09/14

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