10 Year Longevity for Op Amps

[JimM]

I’m looking for a couple of Op Amps for a project, they really need to have a long production lifetime.

The TSV781 is one I’m looking at based on the specs., but I’m confused about how the 10 year commitment works for these (it is obviously different to the STM32).

The product page has the Ten Year stamp, which to me implies 10 years from now (or at least this year), however the date shown is  November 2029 (which agrees with the longevity page) - only 3 years!

The further problem is that the device data sheet says initial release July 2022 which would mean only 9 years support.

Obviously I need to use a different device, but how to choose?

My apologies if this is in the wrong place, but “Analog and Audio” does not appear in the forum list.

[RobK1]

[...] how to choose?

 

Personally, when looking for opamps, transistors, diodes, etc., I search DigiKey. They have an excellent search engine that lets you narrow down your choices quite quickly.

[JimM]

Yup, I  do too, but for small quantities or prototype work I prefer to buy in the UK due to shipping cost.

[RobK1]

Well, I did say only say search. Once you found a suitable part, you can order it from anywhere you like. It’s just that DigiKey’s search engine is far better than Farnell’s, for example.

[Peter BENSCH]

Well, the stated longevity is the minimum availability, and one can generally assume availability beyond that - but only without written guarantee and if there is continuing worldwide demand.

Even if the TSV781 were then discontinued, there is a very high probability that there will be a successor, probably even with better parameters. And if everything were to go wrong, you can still use the TSV791, whose longevity currently extends to 2033.

Hope that answers your question?

Regards
/Peter

[JimM]

Thanks for the that.

Mainly it was about them having the 10 year stamp when it’s actually nowhere near that. It means an extra layer of checking…

My main concern really is that I’m heading for retirement in a couple of years and I don’t want to leave a time bomb ;)