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A 1-V 1-mW high-speed class AB operational amplifier for high-speed low power pipelined A/D converters using "slew boost" technique

Aslanzadeh, H. A ; Sharif University of Technology | 2003

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  1. Type of Document: Article
  2. DOI: 10.1145/871506.871591
  3. Publisher: Association for Computing Machinery , 2003
  4. Abstract:
  5. An ultra-low-voltage low-power high-speed class-AB operational amplifier with a new structure is presented. A new technique called "Slew Boost" is introduced to improve amplifier's large-signal settling behavior, most useful in switched-capacitor circuits such as pipelined ADCs, sigma delta modulators, etc. The proposed op-amp has been designed to be employed in the first stage of a 10bit 150MSamples/sec pipelined analog-to-digital converter. Simulation results of the proposed fully-differential class-AB op-amp using 0.18um CMOS process models, confirm that it has an output swing of 1.5 Vp-p and consumes less than 1mW from a single supply of 1 volt
  6. Keywords:
  7. Class AB ; CMOS analog circuit ; High speed ; Low Power ; Operational Amplifier ; Pipelined analog to digital converter ; Slew Boost Technique ; Ultra Low voltage
  8. Source: Proceedings of the 2003 International Symposium on Low Power Electronics and Design, (ISLPED'03), Seoul, 25 August 2003 through 27 August 2003 ; 2003 , Pages 340-344 ; 15334678 (ISSN)
  9. URL: https://ieeexplore.ieee.org/document/1231891