STM32F302xx/STM32F303xx
Electrical characteristics
Table 72. Operational amplifier characteristics(1)
Symbol
Parameter
Condition
Min
-
-
PGA gain Non inverting gain value
-
-
Gain=2
-
Rnetwork
R2/R1 internal resistance values in
PGA mode (2)
Gain=4
Gain=8
-
-
Gain=16
-
PGA gain error PGA gain error
-1%
Ibias
OPAMP input bias current
-
1. Data guaranteed by design.
2. R2 is the internal resistance between OPAMP output and OPAMP inverting input.
R1 is the internal resistance between OPAMP inverting input and ground.
The PGA gain =1+R2/R1
3. Mostly TTa I/O leakage, when used in analog mode.
Typ
Max Unit
2
-
4
-
8
-
16
-
5.4/5.4
-
16.2/5.4
-
kΩ
37.8/5.4
-
40.5/2.7
-
-
1%
-
±0.2(3) µA
Doc ID 023353 Rev 5
117/133