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Hi I am working on a design which has  LT6106 current sense amplifier where the VCC is 5V and IN  and IN- is 12V. Device is working now and I want to understand if the internal ESD structure of the IC are specialised enough for this application a

Hi I am working on a design which has  LT6106 current sense amplifier where the VCC is 5V and IN+ and IN- is 12V. Device is working now and I want to understand if the internal ESD structure of the IC are specialised enough for this application as when Input voltage is higher than the supply voltage.  If not can i have a drop in replacement of that IC which are having such capability as i cant change the design now. opamp

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  • Hi Krisf,

    Yes I am talking about LT61606.

    I checked the current and its close to 200uA which is a little above the limit. Assuming the device has gone bad. but here my another doubt is since we assume now the device has gone bad It hasn't made any catastrophe to the system or any other power rails ! ( I thought either 5V rail or 12V rail might cause some short issue) . Do you know any reason behind it?

    Regards

    Shenoy 

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  • Hi Krisf,

    Yes I am talking about LT61606.

    I checked the current and its close to 200uA which is a little above the limit. Assuming the device has gone bad. but here my another doubt is since we assume now the device has gone bad It hasn't made any catastrophe to the system or any other power rails ! ( I thought either 5V rail or 12V rail might cause some short issue) . Do you know any reason behind it?

    Regards

    Shenoy 

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