Presentation 2010-07-23
Considerations of a Common-mode Feedback Circuit in the CMOS Inverter-based Differential Amplifier.
Masayuki UNO,
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Abstract(in English) Push-pull CMOS inverter is effective for high-speed, low-power operations, but it has poor CMRR and PSRR characteristics. Common-mode feedback circuits with transistor-pairs operating triode-region is implemented in the push-pull CMOS pseude-differential amplifier. SPICE simulations indicate improvement of CMRR and PSRR. A single common-mode feedback circuit in the push-pull CMOS differential amplifier is also effective. It suppresses the common-mode offset voltage caused by charge injection of switch transistors in the comparator using push-pull CMOS differential amplifiers.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) CMOS inverter / Class-AB amplifier / Common-mode feedback circuit / CMRR / PSRR
Paper # ICD2010-32
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Committee ICD
Conference Date 2010/7/15(1days)
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Registration To Integrated Circuits and Devices (ICD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Considerations of a Common-mode Feedback Circuit in the CMOS Inverter-based Differential Amplifier.
Sub Title (in English)
Keyword(1) CMOS inverter
Keyword(2) Class-AB amplifier
Keyword(3) Common-mode feedback circuit
Keyword(4) CMRR
Keyword(5) PSRR
1st Author's Name Masayuki UNO
1st Author's Affiliation Linear-Cell Design Corporation()
Date 2010-07-23
Paper # ICD2010-32
Volume (vol) vol.110
Number (no) 140
Page pp.pp.-
#Pages 6
Date of Issue