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STM32F318C8 Datasheet(PDF) 105 Page - STMicroelectronics

No. de pieza STM32F318C8
Descripción Electrónicos  ARM-based Cortex-M4 32-bit MCUFPU, 64 KB Flash, 16 KB SRAM, ADC, DAC, 3 COMP, Op-Amp, 1.8 V
PDF  125 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F318C8 Datasheet(HTML) 105 Page - STMicroelectronics

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DocID026294 Rev 5
105/125
STM32F318C8 STM32F318K8
Electrical characteristics
107
PGA gain
Non inverting gain value
-
-2
-
-
-4
-
-8
-
-16
-
Rnetwork
R2/R1 internal resistance values in
PGA mode (2)
Gain=2
-
5.4/5.4
-
k
Gain=4
-
16.2/5.4
-
Gain=8
-
37.8/5.4
-
Gain=16
-
40.5/2.7
-
PGA gain error PGA gain error
-
-1%
-
1%
%
Ibias
OPAMP input bias current
-
-
-
0.2(3)
µA
PGA BW
PGA bandwidth for different non
inverting gain
PGA Gain = 2,
Cload = 50pF,
Rload = 4 K
-4
-
MHz
PGA Gain = 4,
Cload = 50pF,
Rload = 4 K
-2
-
PGA Gain = 8,
Cload = 50pF,
Rload = 4 K
-1
-
PGA Gain = 16,
Cload = 50pF,
Rload = 4 K
-0.5
-
Vn
Voltage noise density
@ 1KHz, Output
loaded with
4 K
-109
-
@ 10KHz,
Output loaded
with 4 K
-43
-
1. Guaranteed by design, not tested in production.
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.
Table 66. Operational amplifier characteristics(1) (continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
nV
Hz
-----------



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