STM32F302xx/STM32F303xx
Electrical characteristics
(1)
Table 72. Operational amplifier characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
-
2
-
-
4
-
PGA gain
Non inverting gain value
-
8
16
-
-
-
Gain=2
Gain=4
Gain=8
Gain=16
-
5.4/5.4
16.2/5.4
37.8/5.4
40.5/2.7
-
-
-
-
R2/R1 internal resistance values in
PGA mode (2)
Rnetwork
kΩ
-
-
-
-1%
-
-
PGA gain error PGA gain error
1%
0.2(3)
Ibias
OPAMP input bias current
-
µA
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.
Doc ID 023353 Rev 5
117/133
STMICROELECTRONICS [ ST ]
