STM32F101RG STMicroelectronics, STM32F101RG Datasheet - Page 94

• Manufacturer Part Number: STM32F101RG
• Description: Mainstream Access line, ARM Cortex-M3 MCU with 1 Mbyte Flash, 36 MHz CPU
• Manufacturer: STMicroelectronics

Specifications of STM32F101RG

• Conversion Range: 0 to 3.6 V
• Peripherals Supported: timers, ADC, DAC, SPIs, I2Cs and USARTs
• Systick Timer: a 24-bit downcounter

Electrical characteristics
94/108
The formula above
allowed for an error below 1/4 of LSB. Here N = 12 (from 12-bit resolution).
Table 56.
1. Guaranteed by design, not tested in production.
Table 57.
1. ADC DC accuracy values are measured after internal calibration.
2. ADC Accuracy vs. Negative Injection Current: Injecting negative current on any of the standard (non-
3. Preliminary values.
1.5
7.5
13.5
28.5
41.5
55.5
71.5
239.5
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
T
Total unadjusted error
Offset error
Gain error
Differential linearity error
Integral linearity error
s
R
(cycles)
ADC accuracy - limited test conditions
AIN
Parameter
max for f
(Equation
ADC
1) is used to determine the maximum external impedance
Doc ID 17143 Rev 2
0.11
0.54
0.96
2.04
2.96
3.96
5.11
17.1
= 14 MHz
f
f
V
Measurements made after
ADC calibration
V
PCLK2
ADC
DDA
REF+
= 14 MHz, R
(1)
= 3 V to 3.6 V, T
t
= V
S
= 28 MHz,
Test conditions
(µs)
DDA
INJ(PIN)
AIN
(1)(2)
and I
< 10 k,
A
= 25 °C
STM32F101xF, STM32F101xG
INJ(PIN)
0.4
5.9
11.4
25.2
37.2
50
NA
NA
in
±1.3
±0.5
±0.7
±0.8
Typ
±1
Section 5.3.14
R
AIN
max (k)
Max
±1.5
±1.5
±1.5
±1
±2
(3)
does not
Unit
LSB