Copy of ADA4807 test circuit - on Thu, 11/05/2020 - 00:08 f74099025Designer236303 × f74099025 Member for 3 years 4 months 4 designs 1 groups Title Description About text formats Tags ADA4807OpAmp Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby f74099025 × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/371078"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/371078"></iframe> Share a Link Copy URL https://explore.partquest.com/node/371078 Copy of Op-amp feedback resistor and stability - on Fri, 06/19/2020 - 08:17 ton.pijpers44Designer232538 × ton.pijpers44 Member for 3 years 9 months 1 designs 1 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p> <p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p> <p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article.</p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby ton.pijpers44 × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/324060"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/324060"></iframe> Share a Link Copy URL https://explore.partquest.com/node/324060 ADA4807 test circuit DarrellDesigner10 × Darrell Member for 10 years 4 months 624 designs 10 groups Title Description About text formats Tags ADA4807OpAmp Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Darrell × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/101286"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/101286"></iframe> Share a Link Copy URL https://explore.partquest.com/node/101286 Op-amp feedback resistor and stability HaiNguyenDesigner65711 × HaiNguyen Member for 7 years 7 months 1 designs 1 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby HaiNguyen × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/89141"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/89141"></iframe> Share a Link Copy URL https://explore.partquest.com/node/89141 Op-amp feedback resistor and stability Mike DonnellyDesigner19 × Mike Donnelly Member for 10 years 4 months 1,529 designs 10 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Mike Donnelly × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/38971"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/38971"></iframe> Share a Link Copy URL https://explore.partquest.com/node/38971
Copy of Op-amp feedback resistor and stability - on Fri, 06/19/2020 - 08:17 ton.pijpers44Designer232538 × ton.pijpers44 Member for 3 years 9 months 1 designs 1 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p> <p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p> <p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article.</p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby ton.pijpers44 × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/324060"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/324060"></iframe> Share a Link Copy URL https://explore.partquest.com/node/324060 ADA4807 test circuit DarrellDesigner10 × Darrell Member for 10 years 4 months 624 designs 10 groups Title Description About text formats Tags ADA4807OpAmp Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Darrell × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/101286"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/101286"></iframe> Share a Link Copy URL https://explore.partquest.com/node/101286 Op-amp feedback resistor and stability HaiNguyenDesigner65711 × HaiNguyen Member for 7 years 7 months 1 designs 1 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby HaiNguyen × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/89141"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/89141"></iframe> Share a Link Copy URL https://explore.partquest.com/node/89141 Op-amp feedback resistor and stability Mike DonnellyDesigner19 × Mike Donnelly Member for 10 years 4 months 1,529 designs 10 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Mike Donnelly × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/38971"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/38971"></iframe> Share a Link Copy URL https://explore.partquest.com/node/38971
ADA4807 test circuit DarrellDesigner10 × Darrell Member for 10 years 4 months 624 designs 10 groups Title Description About text formats Tags ADA4807OpAmp Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Darrell × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/101286"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/101286"></iframe> Share a Link Copy URL https://explore.partquest.com/node/101286 Op-amp feedback resistor and stability HaiNguyenDesigner65711 × HaiNguyen Member for 7 years 7 months 1 designs 1 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby HaiNguyen × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/89141"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/89141"></iframe> Share a Link Copy URL https://explore.partquest.com/node/89141 Op-amp feedback resistor and stability Mike DonnellyDesigner19 × Mike Donnelly Member for 10 years 4 months 1,529 designs 10 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Mike Donnelly × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/38971"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/38971"></iframe> Share a Link Copy URL https://explore.partquest.com/node/38971
Op-amp feedback resistor and stability HaiNguyenDesigner65711 × HaiNguyen Member for 7 years 7 months 1 designs 1 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby HaiNguyen × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/89141"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/89141"></iframe> Share a Link Copy URL https://explore.partquest.com/node/89141 Op-amp feedback resistor and stability Mike DonnellyDesigner19 × Mike Donnelly Member for 10 years 4 months 1,529 designs 10 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Mike Donnelly × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/38971"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/38971"></iframe> Share a Link Copy URL https://explore.partquest.com/node/38971
Op-amp feedback resistor and stability Mike DonnellyDesigner19 × Mike Donnelly Member for 10 years 4 months 1,529 designs 10 groups Title Description <p>This circuit shows the interaction effect between an op-amp's input capacitance and relatively large resistance values used in the feedback network. This example implements the test circuit described in this interesting article by Analog Devices: https://t.co/xA548xt4BT</p><p>The undesired peaking observed in the frequency-domain closed-loop transfer function, and the ringing in the time-domain step response, depend on the resistor values chosen for r_fb and r_g. The ratio of these resistors must equal 1.0, for the desired low-frequency closed-loop non-inverting gain of 2.0. But if the actual value of each resistor is set to 499 Ohms, as recommended in the article, these problems are greatly reduced.</p><p>Note that the op-amp model used in this circuit was created using the Datasheet Model Builder tool, and is based on the corresponding Analog Devices Datasheet (Rev A). The common-mode input capacitance is not included in the model, so two capacitors were added externally in this circuit. In addition, note that the value of that capacitance is specified as 1 pF in the Datasheet, but each capacitor is set to 4.5 pF here. This value is based on the published SPICE model for this part, and was used to more closely match the SPICE simulation results shown in the article. </p> About text formats Tags ADA4807op-amp stability Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None - What's this? Design Titleby Mike Donnelly × Embed Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/embed-design/38971"></iframe> Embed Live Design Copy Embed Code <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/38971"></iframe> Share a Link Copy URL https://explore.partquest.com/node/38971