I'm using an LM358 op-amp for unity gain (feedback to V-). However, I'm getting some unexpected results. When Vin is from 0v - 3.75v, op-amp output is as expected 0 - 3.75v. However, when Vin is greater than 3.75v, op-amp output is capped at 3.75v, even though Vcc is 5v. Can someone help shed some light to why op-amp unity gain can be less than 1?
LM358 datasheet can be found here: http://www.onsemi.com/pub/Collateral/LM358-D.PDF