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MUX36S08: MUX36S08IPW Mux IC failed, Resistance change observed across Pin 8 and Gnd Pin

Part Number: MUX36S08
Other Parts Discussed in Thread: TMUX7308F

Hello Team,

We are using MUX36S08IPW muxer for our 4-20mA Sensor.

We have 2 ICs failed with various condition.

Condition 1: 

The resistance across the Pin 8 and GND was showing 1.8k.

Condition 2:

The Resistance across the Pin 5 and GND is showing 2.6K

from our observation compared with the new IC the Resistance across the ports to ground should be in Mega Ohms not in Kilo Ohms.

This resistance has disturbed our reading to fetch the abnormal values.

Kindly look into this issue and let me know the cause of the issue.