I want to use TIOL111 in my design. i want to derive L+ and L- internally of my PCB and only i want to expext CQ externally. Can i do like this or not ?
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I want to use TIOL111 in my design. i want to derive L+ and L- internally of my PCB and only i want to expext CQ externally. Can i do like this or not ?
Yes, that's right. You system can just receive the CQ line; it doesn't need L+/L- supplied externally as long as they can be generated somehow.
If L- doesn't connect to the system that is providing CQ, though, you should be careful about potential differences between that system's ground and L-, since this could cause apparent shifts in the voltage on CQ.
Regards,
Max