Title: A high-frequency and high- resolution fourth-order delta-sigma A/D converter in BiCMOS technology
Authors: Yin, Guangming
Sansen, Willy #
Issue Date: Aug-1994
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: IEEE Journal on Solid-State Circuits vol:29 issue:8 pages:857-865
Abstract: A high-performance cascaded sigma-delta modulator is presented. It has a new three-stage fourth-order topology and provides functionally a maximum signal to quantization noise ratio of 16 bits and 16.5-bit dynamic range with an oversampling ratio of only 32. This modulator is implemented with fully differential switch-capacitor circuits and is manufactured in a 2-mum BiCMOS process. The converter, operated from +/-2.5 V power supply, +/-1.25 V reference voltage and oversampling clock of 48 MHz, achieves 97 dB resolution at a Nyquist conversion rate of 1.5 MHz after comb-filtering decimation. The power consumption of the converter is 180 mW.
ISSN: 0018-9200
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - MICAS, Microelectronics and Sensors
# (joint) last author

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