A Novel 1V, 24μW, ∑∆ Modulator Using Amplifier & Comparator Based Switched Capacitor Technique, with 10-kHz Bandwidth and 64dB SNDR

A new technique, Amplifier and Comparator Based Switched Capacitor (ACBSC) for low voltage switched cap circuits, is presented. ACBSC combines the recently introduced CBSC (comparator based switched capacitor circuit) with an amplifier. The current sources in ACBSC experience less output voltage swing compared to the ones in CBSC. We apply ACBSC to the design of a 3rd-order sigma delta modulator in a 0.18 μm CMOS process technology, with a bandwidth of 10 kHz. Simulations show that the SDM achieves a peak SNDR of higher than 64 dB and consumes 24 μW from 1 Volt supply.


Published in:
Proceedings of the IEEE ICECS2010, Int'l Conference on Electronics, Circuits and Systems
Presented at:
IEEE ICECS2010, Int'l Conference on Electronics, Circuits and Systems, Athens, Grece, December 12-15, 2010
Year:
2010
Keywords:
Laboratories:


Note: The status of this file is: EPFL only


 Record created 2011-03-14, last modified 2018-03-17

n/a:
Download fulltext
PDF

Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)