Part Number: LMH5401
I am looking to use the LMH5401 in an environment that might, at times, include some rather large signals and I'm worried about damaging the LMH5401. In that regard I have the following questions
What is the maximum voltage the device can see on the input without damage?
Does that change if the shutdown pin is activated?
How long can the device handle a transient spike, and what is the transient voltage it can handle?
Any help would be much appreciated
Input overdrive will of course have a built in current limit due to the input resistors, should that occur, one limit would be the amount of continuous or transient current the input protection diodes can handle. I more severe concern is if the transient finds a way through the ESD steering diodes and triggers the absorption device, that would suggest some IR limiting R on the supply lines as well with good decoupling at the pin.
We are glad that we were able to resolve this issue, and will now proceed to close this thread.
If you have further questions related to this thread, you may click "Ask a related question" below. The newly created question will be automatically linked to this question.
Note the input voltage & current abs max conditions on the datasheet:
The device will still follow the same ratings during shutdown.
All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.
TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs andembedded processors, along with software, tools and the industry’s largest sales/support staff.