Could you please let me know how treat unused pin? I will use INB and OUTP and not use INA and OUTA. In this case, Can INA and OUTA leave open or should be pull down or pull up?
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thanks for your question. As Clemens commented, you can leave OUTA open (grounding it is another option). However, I would suggest you GND INA. This will put OUTA in an output low state. There is a voltage limit on the input pins, so depending on your VDD level, connecting to VDD may not put the device in a known state.