44.6.10.2 Inverting PGA

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

Table 44-3. Configuration - Three Independent Inverting PGAs
	MUXPOS	MUXNEG	RES1MUX	POTMUX	RES2OUT	RES1EN
OPAMP0	0010	001	001	100	1	1
OPAMP1	0010	001	001	100	1	1
OPAMP2	0010	001	001	100	1	1

Inverting PGA (Example: Vout=-3.Vin, R1=4R, R2=12R)

Figure 44-3. Inverting PGA

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