ST STM32F301 6 Series Reference Manual page 308

Operational amplifier (OPAMP)
Figure 85. PGA mode, internal gain setting (x2/x4/x8/x16), inverting input not used
Always connected
Figure 86. PGA mode, internal gain setting (x2/x4/x8/x16), inverting input used for
optional low-
pass filtering
depends on
308/874
STM32
VP0
VP1
VP2
VP3
VM0
VM1
Available I/Os
to OPAMP output
(can be used
during debug)
STM32
VP0
VP1
VP2
VP3
VM0
VM1
Allows
NB: gain
cut-off
frequency
PG A network: 5.4K/5.4K (G = 2), 16.2K/5.4K (G = 4), 37.8K/5.4K (G = 8) 40.5K/2.7K (G = 16)
+ +
OpAmp p
- -
filtering
+ +
OpAmp p p
- -
Equivalent to
RM0366 Rev 5
ADC
p
ADC
MS19229V1
RM0366
MS19228V1