BA2904FV-TR View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BA2904FV-TR Datasheet PDF : 55 Pages
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BA10358xx, BA10324Axx, BA2904xxx, BA2904Sxxx, BA2904Wxx
BA2902xx, BA2902Sxx
Examples of circuit
○Voltage follower
Datasheet
VCC
OUT
Voltage gain is 0 dB.
This circuit controls output voltage (OUT) equal input
voltage (IN), and keeps OUT with stable because of
high input impedance and low output impedance.
OUT is shown next formula.
OUT=IN
IN
VEE
○Inverting amplifier
R1
IN
R2
VCC
R1//R2
VEE
○Non-inverting amplifier
OUT
For inverting amplifier, IN is amplified by voltage gain
decided R1 and R2, and phase reversed voltage is
output.
OUT is shown next formula.
OUT=-(R2/R1)・IN
Input impedance is R1.
For non-inverting amplifier, IN is amplified by voltage
gain decided R1 and R2, and phase is same with IN.
OUT is shown next formula.
OUT= (1+R2/R1)・IN
This circuit realizes high input impedance because
Input impedance is operational amplifier’s input
Impedance.
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TSZ22111･15･001
39/52
TSZ02201-0RAR0G200130-1-2
23.Jan.2014 Rev.003
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