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THS6212: THS6212 VS THS6214

user5102208
Intellectual 820 points
Part Number: THS6212
Other Parts Discussed in Thread: THS6214

Hi，

One of my customer met the problem when using the THS6212 and THS6214, and the problem shows as below:

THS6212 & THS6214  test waveform is compared as follows:

THS6212

THS6214

From the test waveform , we can find that harmonics appears  in the high frequency part. but THS6214 has no! and I don't know why does this happen?

I also show the design schematic to you, and hope you can give some suggestion!

BR!

  • 0
    TI__Expert 8510 points

    Hi, 

    Is this test repeatable and have they been able to verify it with multiple devices? The THS6212 and THS6214 are nearly identical devices and only are different in channel count. I would not expect any noticeable performance difference between them. The very large difference makes me think that either damage has occurred to the device or that there is a board issue. 

    Regards,