STM32F103ZC STMicroelectronics, STM32F103ZC Datasheet - Page 104

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STM32F103ZC

Manufacturer Part Number
STM32F103ZC
Description
Mainstream Performance line, ARM Cortex-M3 MCU with 256 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32F103ZC

Core
ARM 32-bit Cortex™-M3 CPU
Conversion Range
0 to 3.6 V
Dma
12-channel DMA controller
Supported Peripherals
timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs
Systick Timer
a 24-bit downcounter

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Electrical characteristics
104/130
Equation 1: R
The formula above
allowed for an error below 1/4 of LSB. Here N = 12 (from 12-bit resolution).
Table 60.
1. Guaranteed by design, not tested in production.
Table 61.
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. Based on characterisation, not tested in production.
1.5
7.5
13.5
28.5
41.5
55.5
71.5
239.5
Symbol
R
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
AIN
<
------------------------------------------------------------- - R
f
T
ADC
Total unadjusted error
Offset error
Gain error
Differential linearity error
Integral linearity error
s
R
(cycles)
ADC accuracy - limited test conditions
×
AIN
AIN
C
ADC
Parameter
max for f
max formula
(Equation
T
S
×
ln
(
2
ADC
N
1) is used to determine the maximum external impedance
+
Doc ID 14611 Rev 8
0.11
0.54
0.96
2.04
2.96
3.96
5.11
17.1
2
)
= 14 MHz
f
f
V
T
Measurements made after
ADC calibration
V
ADC
PCLK2
ADC
A
DDA
REF+
= 25 °C
= 14 MHz, R
(1)
= 3 V to 3.6 V
t
STM32F103xC, STM32F103xD, STM32F103xE
= V
S
= 56 MHz,
Test conditions
(µs)
DDA
INJ(PIN)
AIN
(1)(2)
and ΣI
< 10 kΩ,
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 (kΩ)
Max
±1.5
±1.5
±1.5
±1
±2
(3)
does not
Unit
LSB

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