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LMP91200 Pin out

Mac Chen
Intellectual 590 points
Other Parts Discussed in Thread: LMP91200

Hi Sir, 

I got the old LMP91200 datasheet, and it shows the pin 2, 3 is the CAL and RTD. 

The pin description defines these 2 pin to measure the Temp. and do the calibration. 

But we check the datasheet again recently, and we found it has been revised. the Pin 2 and 3 are NC. 

Is anything different ? or should we do the calibration ? 

others, I got the PH sensor (1 Input , 2 GND), Could I let the Vcm pin to GND ?

thanks 

Mac.