STM32F103R4 STMicroelectronics, STM32F103R4 Datasheet - Page 69

• Manufacturer Part Number: STM32F103R4
• Description: Mainstream Performance line, ARM Cortex-M3 MCU with 16 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
• Manufacturer: STMicroelectronics

Specifications of STM32F103R4

• Conversion Range: 0 to 3.6 V
• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs

STM32F103x4, STM32F103x6
5.3.18
Note:
Table 46.
1. Based on characterization, not tested in production.
2. Guaranteed by design, not tested in production.
3. In devices delivered in VFQFPN and LQFP packages, V
4. For external triggers, a delay of 1/f
t
STAB
V
Symbol
t
I
R
C
f
R
CONV
VREF
V
t
TRIG
REF+
t
V
CAL
connected to V
connected to V
t
f
ADC
ADC
f
latr
t
AIN
AIN
lat
ADC
S
S
DDA
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(3)
(2)
(2)
(2)
(3)
Power supply
Positive reference voltage
Current on the V
ADC clock frequency
Sampling rate
External trigger frequency
Conversion voltage range
External input impedance
Sampling switch resistance
Internal sample and hold
capacitor
Calibration time
Injection trigger conversion
latency
Regular trigger conversion
latency
Sampling time
Power-up time
Total conversion time
(including sampling time)
12-bit ADC characteristics
Unless otherwise specified, the parameters given in
performed under the ambient temperature, f
conditions summarized in
It is recommended to perform a calibration after each power-up.
ADC characteristics
SSA
SSA
. Devices that come in the TFBGA64 package have a V
), see
Parameter
Table 5
REF
and
input pin
PCLK2
Figure 4
must be added to the latency specified in
Table
See
.
Table 47
f
f
f
f
f
f
ADC
ADC
ADC
ADC
ADC
ADC
Doc ID 15060 Rev 5
Conditions
Equation 1
9.
= 14 MHz
= 14 MHz
= 14 MHz
= 14 MHz
= 14 MHz
= 14 MHz
REF+
for details
is internally connected to V
and
PCLK2
14 to 252 (t
successive approximation)
0 (V
REF+
frequency and V
ground)
Table 46
SSA
0.107
0.05
Min
2.4
2.4
0.6
1.5
pin but no V
0
1
tied to
Table 46
S
for sampling +12.5 for
DDA
are derived from tests
5.9
83
.
REF-
Electrical characteristics
and V
160
DDA
Typ
pin (V
0
(1)
REF-
supply voltage
REF-
is internally
V
220
0.214
0.143
239.5
V
Max
17.1
823
3
2
3.6
REF+
is internally
14
17
50
18
DDA
1
1
8
1
(4)
(4)
(1)
1/f
1/f
1/f
1/f
1/f
1/f
MHz
MHz
Unit
kHz
µA
kΩ
kΩ
pF
µs
µs
µs
µs
µs
µs
V
V
V
ADC
ADC
ADC
ADC
ADC
ADC
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