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Daniel Honniball

Calculate the Output High Voltage Error for a Current Sense Amplifier

Daniel Honniball
DaeJ
DaeJ
4/27/2013 8:30:00 PM
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Master
Re: Interface circuit with Amplifier
 I am curious how all equations are derived, without any interface circuit.  May be, I am missing something else. When checking TS1100 part, there is no similar information regarding on any equation as indicated in blog. Secondly, without considering any noise with high frequency interference in the board level or other module, it sound like this math formulation is more closely in simulation level.

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Brad Albing
Brad Albing
4/27/2013 1:04:01 PM
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Re: Diagram
Hi Andy - I'll work with Daniel - and everyone else - next time to make sure we get a schematic included to make processing the info go a bit more quickly.

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Andy Pienkowski
Andy Pienkowski
4/27/2013 7:17:29 AM
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Diagram
The time available to digest an articicle such as this is almost non-existent during the working day so that it is important to help the reader in every way possible; diagrams can help considerably.

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Daniel Honniball
Daniel Honniball
4/26/2013 1:31:01 PM
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Re: Interface circuit with Amplifier
DaeJ,

Thank you for your comments. Although a circuit schematic is drawn in the CSA's datasheet, I should have shown the typical application circuit for the CSA. A power supply and a load are assumed for the interfacing circuits.  The only factors considered for the write up, were the errors of the CSA, and the effects temperature has on those errors. Errors exhibited from the board layout and interfacing circuits, are ignored.

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Daniel Honniball
Daniel Honniball
4/26/2013 1:08:24 PM
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Re: Diagram?
Thank you for the suggestion Andy. I will take note of that, and try to incorporate a diagram next time. 

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DaeJ
DaeJ
4/25/2013 10:32:43 AM
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Master
Interface circuit with Amplifier
All equations are much formula. If interface circuit with Touchstone TS1100 current-sensing amplifier is described, it could be more beneficial for understanding equation. I am wondering what type criteria are used to implement this type of formulation. Formulation may consider any factor related to PCB board level including noise.

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Andy Pienkowski
Andy Pienkowski
4/25/2013 5:14:56 AM
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Newbie
Diagram?
A diagram for this article would not go amiss.  It looks interesting but it might take a little longer than necessary to work out your arguments because you don't have any annotated diagrams at all.

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