STM32F103CB STMicroelectronics, STM32F103CB Datasheet - Page 73

• Manufacturer Part Number: STM32F103CB
• Description: Mainstream Performance line, ARM Cortex-M3 MCU with 128 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
• Manufacturer: STMicroelectronics

Specifications of STM32F103CB

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

STM32F103x8, STM32F103xB
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
Symbol
t
R
C
f
R
CONV
V
V
t
TRIG
I
t
V
CAL
connected to V
connected to V
t
f
ADC
ADC
VREF
f
latr
t
AIN
AIN
lat
REF+
ADC
S
S
DDA
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
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
must be added to the latency specified in
6.
Table
See
Table 47
f
f
f
f
f
f
Doc ID 13587 Rev 13
ADC
ADC
ADC
ADC
ADC
ADC
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
tied to ground)
REF+
frequency and V
SSA
Table 46
0.107
0.05
Min
2.4
2.4
0.6
1.5
pin but no V
0
1
or V
Table
S
REF-
for sampling +12.5 for
DDA
are derived from tests
46.
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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