Practical application

AN3023

18/23

Doc ID 16113 Rev 1

4

Practical application

4.1

Areas of use

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Temperature measurement

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Process calibration

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Device thermal protection

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Fan control

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Power supply measurement

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Auto save configuration

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Battery charging/protection

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Measurement of physical values in other types of applications

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Automation—from sensors with analog outputs

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Household—for example, automatic lights dimmers, weather stations,

thermometers, security sensors

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Industry—for example, lights, thermostats, humidity control

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Electrical quantity measurements—for example, voltage, current, capacity,

resistance

4.2

Hardware connection examples

Figure 6.

Simple unipolar DC signal measurement

Figure 7.

External preamplifier usage (with high impedance input)

STM8A

AINx

STM8A

AINx

+

-

R1

R2