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BD77501G Fiches technique(PDF) 17 Page - Rohm |
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BD77501G Fiches technique(HTML) 17 Page - Rohm |
17 / 29 page 17/26 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 |
Numéro de pièce similaire - BD77501G |
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Description similaire - BD77501G |
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