NHS3100( the principle of temperature measurement)

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NHS3100( the principle of temperature measurement)

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s-furuno
Contributor I

I have a question.

Product:NHS3100 semiconductor

I would like to know about the principle of temperature measurement.

Thermistor or RTD platinum?

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IvanRuiz
NXP Employee
NXP Employee

Hello,

The temperature of the NHS3100 die is calculated based on measurement of the forward base voltages of a transistor carrying different collector currents.
The voltage is converted to digital by a combination of a flash adc and a sigma-delta adc ("zoom-adc").

So the sensing element is a transistor on the NHS die.

Hope this helps.

Best regards,

Ivan.

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