INA, INA Datasheet, INA MicroPower Instrumentation Amplifier Datasheet, buy INA The INA and INA are precision instrumentation ampli- fiers for semiconductor products and disclaimers thereto appears at the end of this data sheet. INAU ti INA, Micropower Instrumentation Amplifier Single And Dual Versions. DESCRIPTION. Details, datasheet, quote on part number: INAU .
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There’s an INA model in the database that you may want to try that has these pins modeled, however, it’s not supplied by TI directly, so you’ll have to take the results with a grain of salt. There might be a way to inaa126 this model to behave as you want it to, actually. The text file as provided isn’t really in the format that Multisim can work with it properly.
Multisim components require a single “. This file has three. It looks like the 3rd. So, here’s the trick in this case: You need to either adjust the three subcircuits so that the correct one comes first and preferably nest the other two inside it – that will be important if you want to use more than one of the component in a circuitor just wrap all three. ENDS in the original file almost suggests that it could have been wrapped already, and that a.
This will make the first subcircuit in the text a subcircuit named INAP, ending with the ina26.
Since it will dataseet the first thing in the listing, Multisim will see an 8 pin subcircuit, which just uses the 8-pin INAP defined below which in turn uses the other two op-amp subcircuits. With the pins defined like that you can just use the comment at the bottom of the file just above the nested INAP subcircuit to figure out which pin maps to which model node since the wrapper defined the pins exactly the same.
The main point ina1226 to have the subcircuit that you want the component to use directly as the top. It looks like the model is actually okay dataseet. The issue is actually with the differences between the symbol that you used as the template for the INA and the expected symbol.
If you show the pin names on the schematic in the Display tab of the component properties you’ll be able to see the differences.
If you swap the wires on pins 1 and 5, you’ll probably get the simulation results you expect, but then of course the wiring is wrong. Dataasheet would suggest that the easiest way to get the pin setup as expected is to create the component using the INA in the master database as the starting symbol since it has the pin names and numbers matching the INA data sheet, just with a different model.
Basically do the same thing you did when creating the component the first una126, but just with a different starting symbol, and of course using the fixed up model that you have. Then you’ll be able to wire it up exactly as you expect to be able to, and the behaviour should be what you expect.
I tried your suggestions and it didn’t work. I tried making all possible connections between pins 1, 8 and 5 and that still didn’t help. I really appreciate all your help and patience with me. Ins126 starting to think that there’s an instalation problem with my software and maybe that’s what’s causing the problem now. I must have accidentally modified the symbol without noticing when I was picking catasheet apart to find the problem.
Using the file that datxsheet just attached, the wiring looks okay, the pins all look correct. If I change R35, I do see a little bit of a change, but not a lot. By the way, if it helps at all, I’m comparing by doing a parameter sweep over the resistor value using the values mentioned above. That looks like the only problem with the last circuit you posted. I guess that because I wanted to isolate adtasheet problem I designed the most simple circuit as possible and forgot to pay attention to a few details like having the reference pin connected to a midway voltage between the power rails.
Hello all Mulstim users.
I’m tryng to use this component as you created, but is not simulating, the gain is not changing. The gain that i Should have with no resistor applyng 2V at the imput terminal should be 10V and so on, Gain 5, if I apply 1V, should be 5 and so on Most Active Software Boards: Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. I would perhaps use both in conjunction with one another. Message 11 of Easiest thing to do in this case will be to take the original file, and add.
how to import INA spice model into multisim – Page 2 – Discussion Forums – National Instruments
If you have any questions, let us know! Message 12 of I tried your suggestion but I’m still getting the same problem: I’m attaching the model file I’ve used with the suggested changes. I also tried changing the symbol to model pins but that also didn’t work, it just made it worst. Message 13 of Message 14 of I’m sending a screen dump with the pin names so that you can see what I get when I show them. It might be a little difficult to see them but you should be able to see them.
I’m also sending my file so you can also have a look. I think I’m going to ask the IT support here at my university to reinstall the software. So tomorrow I’ll get it reinstalled and try your suggestions again and I’ll get back to you. Message 15 of Message 16 of Message 17 of Now everything is working well and I can carry on with my simulations.
Once again thank you. Message 18 of I have also created another component, but not wroking also.
Could you give me some help tryng to Make this model work? Regards and thanks in adavnce. Message 19 of Message 20 of