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BD77501G Folha de dados(PDF) 17 Page - Rohm

Nome de Peças BD77501G
Descrição Electrónicos  High Speed Ground Sense Excellent EMI Characteristics CMOS Operational Amplifier
Download  29 Pages
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Fabricante Electrônico  ROHM [Rohm]
Página de início  http://www.rohm.com
Logo ROHM - Rohm

BD77501G Folha de dados(HTML) 17 Page - Rohm

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BD77501G BD77502FVM BD77504FV
© 2019 ROHM Co., Ltd. All rights reserved.
30.Oct.2020 Rev.003
www.rohm.com
TSZ22111 • 15 • 001
TSZ02201-0GFG2G500010-1-2
Application Examples
○Voltage Follower
○Inverting Amplifier
○Non-inverting Amplifier
Figure 26. Inverting Amplifier Circuit
Figure 27. Non-inverting Amplifier Circuit
Figure 25. Voltage Follower Circuit
Using this circuit, the output voltage (VOUT) is configured
to be equal to the input voltage (VIN). This circuit also
stabilizes the output voltage (VOUT) due to high input
impedance and low output impedance. Computation for
output voltage (VOUT) is shown below.
For inverting amplifier, input voltage (VIN) is amplified by
a voltage gain which depends on the ratio of RIN and RF,
and then it outputs phase-inverted voltage. The output
voltage is shown in the next expression.
This circuit has input impedance equal to RIN.
For non-inverting amplifier, input voltage (VIN) is amplified
by a voltage gain, which depends on the ratio of RIN and
RF. The output voltage (VOUT) is in-phase with the input
voltage (VIN) and is shown in the next expression.
Effectively, this circuit has high input impedance since its
input side is the same as that of the operational amplifier.
���������������� = −
��������
������������
������������
���������������� = ������������
���������������� = (1 +
��������
������������
) ������������
VSS
OUT
IN
VDD
RF
RIN
VSS
VIN
OUT
VDD
VSS
RF
VDD
VIN
OUT
RIN


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