ATtiny temperature sensor

Jul 13, 2007 1 Replies

Hi,



I have an ATtiny261 microcontroller in my application, and I was thinking of making use of its built in temperature sensor. However I notice the accuracy spec is +-10 degrees C, which to me seems absurdly useless. Has anyone used it before? Am I misinterpreting the spec?


Thanks, Mike.



It's not calibrated, but it's relative accuracy is better than it may seem. If you can calibrate it before shipping a product that will help a lot. But it can't be nearly as good as a custom temperature chip.

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