What is refference current,, input range and input Impedance for VRef in if is used as input for externa reference voltage?
In addition toconsidering the use ofinternal andexternal referenceconnected through theswitch any as DG411Ron20ohmand do not knowwhatitwill flowthrough thecurrentwill?
The second question.
externalreferenceof 3.3V
It will bea problemifthis voltageappears on theinputVrefat a timewhenyou will stillturned oninternalreference?