Non-Inverting PGA

For non-inverting programmable gain amplifier operation, the OPAMPCTRLx registers can be configured as follows:

Table 1. Configuration - Three Independent Non-Inverting PGAs (Example: Vout=4.Vin, R1=4R, R2=12R)
  MUXPOS MUXNEG RES1MUX POTMUX RES2VCC RES2OUT RES1EN ANAOUT
OPAMP0 000 001 11 100 0 1 1 0
OPAMP1 000 001 11 100 0 1 1 0
OPAMP2 000 001 11 100 0 1 1 0
Figure 1. Non-Inverting PGA
Parent topic: Built-in Modes