LMH0340: How long can the SMBus Interface of LMH0340 go?

leon ton

Part Number: LMH0340

Camera Sensor+LMH0340+wire is about 3 meters long:

Considering the ACK bit of SMBus,is there a problem useing the wire 3 meters long transmit SMBus, im concerned about it.

over 6 years ago

0 Nasser Mohammadi over 6 years ago

TI__Guru* 93670 points

Hi Ton,

SMBus for the LMH0340 was meant to be used for FR4 trace only. Normally, traces are less than 10 inches long. You can consider SMBus drivers oe extenders like the followings:

http://www.ti.com/product/PCA9306

Regards,, Nasser

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LMH0340: How long can the SMBus Interface of LMH0340 go?