The ADM3311E is a three driver/five receiver product designed to fully meet the EIA-232 standard while operating with a single +2.7 to 3.6V power supply...
ADM3311E on Analog.com
Where should the exposed paddle on the ADM3311E LFCSP package be connected to?
The exposed paddle on the ADM3311E LFCSP package should generally be tied to gnd. It can also be left floating if thermal dissipation is not a concern.
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