Amplifier's output

  • #1

Main Question or Discussion Point

suppose an amplifier with V+ is 2.5 volts
and V- is not connected.....V- and Voutput are connected by a resistor.
what is the voltage on the outpout of the op amp?
 

Answers and Replies

  • #2
4,662
5
This is a non-inverting op-amp configuration with a gain of one, sometimes called a voltage follower.

Bob S
 
  • #3
4,261
44
+2.5v.
 
  • #4
the V- is not connected. (even not connected to ground reference)
the voltage at V- is zero or +2.5 volts like V+ or what?
thank you
 
  • #5
4,662
5

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