Title :
Feedback charge-transfer comparator with zero static power
Author :
Kotani, Koji ; Ohmi, T.
Author_Institution :
Tokyo Univ., Japan
Abstract :
The feedback charge transfer (FCT) amplifier latch comparator uses a dynamic feedback mechanism in the charge transfer (CT) preamplifier. The FCT amplifier latch rapidly amplifies input signal and latches with zero static power. Circuit operation is nearly insensitive to device parameter fluctuations. The authors present the design and performance characteristics of such a comparator implemented in a 1.2 /spl mu/m double-poly double metal CMOS process.
Keywords :
CMOS integrated circuits; analogue-digital conversion; circuit feedback; preamplifiers; 1.2 micron; ADC; amplifier latch comparator; charge transfer preamplifier; double-poly double metal CMOS process; dynamic feedback mechanism; feedback charge-transfer comparator; zero static power; Capacitance; Chip scale packaging; Circuit testing; Collaboration; Educational programs; Feedback; Fluctuations; Latches; Operational amplifiers; Threshold voltage;
Conference_Titel :
Solid-State Circuits Conference, 1999. Digest of Technical Papers. ISSCC. 1999 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-5126-6
DOI :
10.1109/ISSCC.1999.759275
