Level shifter using LM324 Op Amp for ADC reading
If you are using the same circuit and same input range, the maximum output voltage you will get is \$\frac {2 \times V_{in} +5}{3}\$ (use superposition theorem.) For \$V_{in}\$ =2.5 V (peak), the \$V_o\$ = 3.34V (peak) and 0V  (minimum.)