34.9 Analog Comparator Offset Figure 34-35. ATmega328PB AC Offset vs. Common Voltage (VCC = 1.8V) Figure 34-36. ATmega328PB AC Offset vs. Common Voltage (VCC = 3.0V) Figure 34-37. ATmega328PB AC Offset vs. Common Voltage (VCC = 5.0V)