AD Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use. The AD is a dual precision, 16 MHz, JFET input op amp that can operate from a single supply of + V to +36 V, or dual supplies of ± V to ±18 V. It has. Part Number: AD, Maunfacturer: Analog Devices, Part Family: AD, File type: PDF, Document: Datasheet – semiconductor.

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The data sheet shows a 1 dB peak at 9.

AD Datasheet and Product Info | Analog Devices

I’m sorry but we don’t support that simulator. There is nothing wrong with the model. I see there was an error in using the AD amp data sheet which was incorrectly linked to the ADA part.


After making the correction, there is still a discrepancy. At 10 MHz the simulation is down 2. I repeated this with SIMetrix and get the same simulation result.

I then changed the part to AD amd again get substantially the same result. There is no peaking, it is. I think stray capacitance may be involved with the ADA data sheet.

AD823 LTspice simulation and data sheet disagree

See the attached ADA-comp. We have to make necessary changes with the model to exactly match the datasheet, where -3 dB should be 17 MHz. They indicate that the A version has better phase margin but the simulation shows no difference.

Site Search Log in. Amplifiers requires membership for participation – click to join. AD LTspice simulation and data sheet disagree.

Hi Wayne, I’m sorry but we don’t support that simulator. As for your simulation, please see Figure 7 of the ADA datasheet. I hope this helps.

Hi Wayne, Thank you. This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out.


AD823 Datasheet PDF

If you have an inquiry related to this topic please post a new question in the applicable product forum. Thank you, EZ Admin.

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