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LM 335 and PIC 16f877

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mado-wardany

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hi every body
Help me plz

I'm working on a project that takes the skin temperature (I'm using LM335) and then connect this sensor to PIC 17f877 to convert the signal to digital by using ADC in PIC.

Question:
Is it necessary to connect any current source to LM335 before connect to PIC???

plz help me as soon as
 

LM335 is Kelvin scale equivalent of LM35.

I don't understand why you'll need current source. But the following arrangement will suffice.
 

i ask if the LM335 requires a constant current of 100uA like the mts102(another temp sensor)?
 

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