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The electric test of ADAU1701 PCB(latuchup?)

SigmaDSP & SigmaStudio Shinichiro.Taga May 3, 2013 00:00 4 replies Original on forum ↗
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Shinichiro.Taga Question
May 3, 2013 00:00

Please help me.

Now, I am testing the pcb(adau1701).

Tests are [IEC61000-4-2(static electricity)] and [IEC61000-4-4(transient / burst)].

A problem is not in normal operation.

[IEC61000-4-4(level 3)] cannot be passed.

Latchup is started in an input port and operation is stopped.
(Reset is ineffective.)

The measure against latchup is required.

Would you teach the specification(details) of IO PIN (POWER/RESET/CLK PIN) of ADAU1701?

I would like to check whether resistance is contained in whether it is entered whether the protection diode is contained.

Audio Signal Processors

SigmaDSP Audio Processors

adau1701

ADIApproved Reply
May 3, 2013 00:00

Hello,

All of the IO pins on SigmaDSP devices like the ADAU1701 include internal transient voltage suppression diodes that act as the primary method of ESD protection. However, the results of these reliability tests are typically not included in datasheets.

The datasheet does include basic specs about the absolute maximum ratings that the device can withstand. When subjected to conditions exceeding these ratings, the reliability of the device may be compromised.

If you have questions about a certain test (for example, the human body model) I can provide some more information via private message. This information is typically not published in our datasheets.

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Shinichiro.Taga Reply
May 7, 2013 00:00

Thank you for the reply.

Thank you for the information.

>I can provide some more information via private message.

What should I do for receiving detailed information?

Shinichiro.Taga Reply
May 10, 2013 00:00

I am sorry.

I consult with a trading company on correspondence.

Thank you.

ADIApproved Reply
May 10, 2013 00:00

Hello,

I'm sorry for the late reply. If you need additional assistance, please let me know. I can contact you by private message or perhaps by phone.

Thanks,

Brett