STM32F103VF STMicroelectronics, STM32F103VF Datasheet - Page 103

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STM32F103VF

Manufacturer Part Number
STM32F103VF
Description
Mainstream Performance line, ARM Cortex-M3 MCU with 768 Kbytes Flash, 72MHz CPU, motor control, USB and CAN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32F103VF

Conversion Range
0 to 3.6 V
Supported Peripherals
timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs
Systick Timer
a 24-bit downcounter

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STM32F103xF, STM32F103xG
Figure 55. ADC accuracy characteristics
4095
4094
4093
7
6
5
4
3
2
1
0
V
SSA
[1LSB
Table 65.
1. ADC DC accuracy values are measured after internal calibration.
2. Better performance could be achieved in restricted V
3. ADC Accuracy vs. Negative Injection Current: Injecting negative current on any of the standard (non-
4. Preliminary values.
1
Symbol
E
O
IDEAL
robust) analog input pins should be avoided as this significantly reduces the accuracy of the conversion
being performed on another analog input. It is recommended to add a Schottky diode (pin to ground) to
standard analog pins which may potentially inject negative current.
Any positive injection current within the limits specified for I
affect the ADC accuracy.
EO
EG
ED
ET
EL
2
=
V
4096
3
REF+
Total unadjusted error
Offset error
Gain error
Differential linearity error
Integral linearity error
ADC accuracy
4
(or
V
5
1 LSB
4096
DDA
Parameter
E
6
T
IDEAL
depending on package)]
E
7
L
(2)
(1) (2)(3)
Doc ID 16554 Rev 3
E
D
4093 4094 4095 4096
(3)
f
f
V
Measurements made after
ADC calibration
PCLK2
ADC
DDA
(1)
= 14 MHz, R
= 2.4 V to 3.6 V
E
= 56 MHz,
Test conditions
G
DD
V
DDA
, frequency, V
INJ(PIN)
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
E
between the actual and the ideal transfer curves.
E
transition and the first ideal one.
E
transition and the last actual one.
E
between actual steps and the ideal one.
E
between any actual transition and the end point
correlation line.
T
O
G
D
L
=Total Unadjusted Error: maximum deviation
=Integral Linearity Error: maximum deviation
=Offset Error: deviation between the first actual
=Gain Error: deviation between the last ideal
=Differential Linearity Error: maximum deviation
AIN
and ΣI
< 10 kΩ ,
REF
INJ(PIN)
and temperature ranges.
Electrical characteristics
in
±1.5
±1.5
±1.5
Typ
±2
±1
Section 5.3.14
Max
±2.5
±3
±2
±5
±3
(4)
does not
ai14395b
103/120
Unit
LSB

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