5.1.4 Operational Amplifiers

AVR128DB48 features three internal operational amplifiers with a flexible connection scheme using analog multiplexers and resistor ladders. This allows a large number of analog signal conditioning configurations, many requiring no external components.

Table 5-1. OPAMP Pin Connections
OPAMPPoisitive Input (INP)Negative Input (INN)Output (OUT)
OP0PD1PD3PD2
OP1PD4PD7PD5
OP2PE1PE3PE2

For information about OPAMP on the edge connector and any shared functionality, see AVR128DB48 Curiosity Nano Pinout.