Opamps can have non-idealities in the form of input bias currents as well as input offset...
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Opamps can have non-idealities in the form of input bias currents as well as input offset current and input offfset voltage. In the non-inverting amplifier of Fig. 1, let R₁ = 10 Q, R₂ = 10 kQ, and Vs =0. The output vo is monitored with a voltmeter and is found to be 0.480 V. Inserting a 1 MQ resistor in series with the non-inverting input pin gives vo = 0.780 V. Inserting the 1 MQ resistor in series with the inverting input pin gives vo = 0.230 V. R₁ VN VP Vs (+1) ww R₂ ю Vo 1) Determine the value of the input bias current( (IBP+IBN)/2) of the opamp PA 2) Determine the value of the input offset current (IBP-IBN) of the opamp PA 3) Determine the value of the input offset voltage of the opamp uV Opamps can have non-idealities in the form of input bias currents as well as input offset current and input offfset voltage. In the non-inverting amplifier of Fig. 1, let R₁ = 10 Q, R₂ = 10 kQ, and Vs =0. The output vo is monitored with a voltmeter and is found to be 0.480 V. Inserting a 1 MQ resistor in series with the non-inverting input pin gives vo = 0.780 V. Inserting the 1 MQ resistor in series with the inverting input pin gives vo = 0.230 V. R₁ VN VP Vs (+1) ww R₂ ю Vo 1) Determine the value of the input bias current( (IBP+IBN)/2) of the opamp PA 2) Determine the value of the input offset current (IBP-IBN) of the opamp PA 3) Determine the value of the input offset voltage of the opamp uV
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1 To determine the value of the input bias current IBP IBN 2 of the opamp PA we can use the formula ... View the full answer
Related Book For
Financial Reporting and Analysis
ISBN: 978-0078025679
6th edition
Authors: Flawrence Revsine, Daniel Collins, Bruce, Mittelstaedt, Leon
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