DocumentCode
627028
Title
Background calibration of time-interleaved ADC using direct derivative information
Author
Benwei Xu ; Yun Chiu
Author_Institution
Analog & Mixed-Signal Lab., Univ. of Texas at Dallas, Richardson, TX, USA
fYear
2013
fDate
19-23 May 2013
Firstpage
2456
Lastpage
2459
Abstract
A new background calibration technique for correcting timing-skew mismatch errors in time-interleaved analog-to-digital converter (ADC) is reported. In this approach, the time derivative of the input signal is directly sampled and utilized for skew calibration. Reference ADC equalization is used in tandem to correct any static mismatch errors. Behavioral simulations show 26 dB and 44 dB improvement in signal-to-noise plus distortion (SNDR) and spurious-free dynamic range (SFDR) performance, respectively.
Keywords
analogue-digital conversion; calibration; SFDR; SNDR; background calibration; direct derivative information; signal-to-noise plus distortion performance; skew calibration; spurious-free dynamic range performance; static mismatch errors; time-interleaved ADC; time-interleaved analog-to-digital converter; timing-skew mismatch errors; Arrays; CMOS integrated circuits; Calibration; Clocks; Convergence; Estimation; Timing;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems (ISCAS), 2013 IEEE International Symposium on
Conference_Location
Beijing
ISSN
0271-4302
Print_ISBN
978-1-4673-5760-9
Type
conf
DOI
10.1109/ISCAS.2013.6572376
Filename
6572376
Link To Document