LMl35 Precision Temperature Measurement Circuit Diagram

2016-01-21 03:53  
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LMl35 series extrinsic calibration side, the measurement error so you can easily be amended to eliminate the manufacturing process to bring the error. The circuit is very simple correction method, shown in Figure 4, only the temperature is 25 ℃, adjust the potentiometer Rw change the correction side bias output piezoelectric value measurement sensor with a digital voltmeter 20V files to 2.982V. After adjustment, the circuit 100C ° C within the measurement error is less than 1 ° C. ,

LMl35 Precision Temperature Measurement Circuit Diagram