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Title: A 1.5-V-100-uW DS modulator with 12-b dynamic range using the switched-opamp technique
Authors: Peluso, Vincenzo
Steyaert, Michel
Sansen, Willy #
Issue Date: Jul-1997
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: IEEE Journal on Solid-State Circuits vol:32 issue:7 pages:943-952
Abstract: The design and implementation of a very low supply voltage/low power Delta Sigma modulator is presented. It is based on the switched-opamp technique, which allows low voltage operation with a standard process and without voltage multiplication. The design methodology is illustrated with a second-order single-loop Delta Sigma modulator. The chip is implemented in a 0.7-mu m CMOS process with standard threshold voltages. The power supply is 1.5 V and the power dissipation is only 100 mu W. The measured dynamic range in the speech bandwidth of 300-3400 Hz is 12 b. The total harmonic distortion (THD) is lower than -72 dB.
ISSN: 0018-9200
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - MICAS, Microelectronics and Sensors
Electrical Engineering - miscellaneous
# (joint) last author

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