常用运放电路集锦
InstrumentationAmplifierwithg10VoltCommonModeRange
R1eR4R2eR5R6eR7
MatchingDeterminesCMRR
AVe
R62R1
1aR2R3
J
TL H 7057–45
HighInputImpedanceInstrumentationAmplifier
R1eR4 R2eR3
MatchingdeterminesCMRR
Maybedeletedtomaximizebandwidth
AVe1a
R1R2
TL H 7057–46
BridgeAmplifierwithLowNoiseCompensation
Reducesfeedthroughofpowersupplynoiseby20dBandmakessupplybypassingunnecessary
Trimforbestcommon
moderejection
Gainadjust
TL H 7057–47
11