ISO1044: how to connect the PIN 2(IN) of ISO1044

Ethan Ku

Part Number: ISO1044
Other Parts Discussed in Thread: ISOW1044

the ISO1044 is used to our design currenly and then we do not know how to connect PIN2(IN)

Q1: what application is for PIN2 ?

Q2: Can the PIN2 be lelt floating?

thanks

0 Andrew J 9 months ago

Hello Ethan,

Thanks for reaching out.

The Pin 2 - IN of ISOW1044 is an isolated GPIO channel provided as an extra isolated channel. Pin 14 is the general-purpose output for this channel.
If Pin 2 is unused you can either leave this pin floating or connect it to GND since it is internally pulled down. Pin 14 should be left floating.

Best

0 Ethan Ku 9 months ago in reply to Andrew J

hi Andrew

ok , thank you for surpporting

Isolation forum