fully-differential operational amplifierapinunt.yolasite.com/resources/mixed-ic/ho7_opamp2.pdf ·...
TRANSCRIPT
Fully-differential operational
amplifier
Apinunt Thanachayanont
Why differential opamp?
2010Mixed-signal ICs Design, A. Thanachayanont2
2-stage fully-differential opamp
2010Mixed-signal ICs Design, A. Thanachayanont3
2-stage fully-differential opamp with
push-pull output
2010Mixed-signal ICs Design, A. Thanachayanont4
Folded-cascode differential opamp
2010Mixed-signal ICs Design, A. Thanachayanont5
Common-mode output voltage
stabilization
2010Mixed-signal ICs Design, A. Thanachayanont6
Common-mode output voltage
stabilization
2010Mixed-signal ICs Design, A. Thanachayanont7
CMFB concept
2010Mixed-signal ICs Design, A. Thanachayanont8
2-stage opamp with CMFB
2010Mixed-signal ICs Design, A. Thanachayanont9
CMFB circuit using resistive divider
2010Mixed-signal ICs Design, A. Thanachayanont10
CMFB circuit (1)
2010Mixed-signal ICs Design, A. Thanachayanont11
CMFB circuit using resistive divider (2)
2010Mixed-signal ICs Design, A. Thanachayanont12
CMFB circuit using resistive divider (1)
2010Mixed-signal ICs Design, A. Thanachayanont13
CMFB circuit using dual diff. pairs
2010Mixed-signal ICs Design, A. Thanachayanont14
CMFB circuit using triode MOSFETs
2010Mixed-signal ICs Design, A. Thanachayanont15