STM32F101R6 STMicroelectronics, STM32F101R6 Datasheet - Page 66

• Manufacturer Part Number: STM32F101R6
• Description: Mainstream Access line, ARM Cortex-M3 MCU with 32 Kbytes Flash, 36 MHz CPU
• Manufacturer: STMicroelectronics

Specifications of STM32F101R6

• Core: ARM 32-bit Cortex™-M3 CPU
• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs
• Conversion Range: 0 to 3.6 V
• Systick Timer: 24-bit downcounter

Electrical characteristics
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Table 45.
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. Based on characterization, not tested in production.
Figure 32. ADC accuracy characteristics
4095
4094
4093
Symbol
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
7
6
5
4
3
2
1
0
V
SSA
[1LSB
1
E
Total unadjusted error
Offset error
Gain error
Differential linearity error
Integral linearity error
O
IDEAL
ADC accuracy
2
=
3
V
4096
Parameter
DDA
4
5
1 LSB
E
6
(1) (2) (3)
T
IDEAL
Doc ID 15058 Rev 5
E
7
L
(2)
f
f
V
Measurements made after
ADC calibration
E
PCLK2
ADC
D
DDA
4093 4094 4095 4096
(3)
= 14 MHz, R
= 2.4 V to 3.6 V
= 28 MHz,
Test conditions
DD
(1)
, frequency and temperature ranges.
E
INJ(PIN)
G
V
DDA
AIN
and Σ I
< 10 kΩ,
(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 u nadjusted er ror: maximum deviation
=Integral linearity error:
=Offset e rror: deviation between the first actual
=Gain er ror: deviation between the last ideal
=Differential linearity error: maximum deviation
STM32F101x4, STM32F101x6
INJ(PIN)
in
±1.5
±1.5
±1.5
Typ
±2
±1
Section 5.3.12
Max
maximum deviation
±2.5
±3
±2
±5
±3
(4)
does not
ai15497
Unit
LSB