STM32F102C8 STMicroelectronics, STM32F102C8 Datasheet - Page 58

• Manufacturer Part Number: STM32F102C8
• Description: Mainstream USB Access line, ARM Cortex-M3 MCU with 64 Kbytes Flash, 48 MHz CPU, USB FS
• Manufacturer: STMicroelectronics

Specifications of STM32F102C8

• 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
58/69
Table 44.
1. Guaranteed by design, not tested in production.
2. V
3. For external triggers, a delay of 1/f
Equation 1: R
The formula above
error below 1/4 of LSB. Here N = 12 (from 12-bit resolution).
t
Symbol
STAB
t
R
C
f
R
CONV
t
TRIG
t
V
CAL
t
f
V
ADC
ADC
R
f
latr
t
AIN
lat
ADC
S
S
DDA
AIN
REF+
AIN
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)

is internally connected to V
------------------------------------------------------------- - R
f
ADC
Power supply
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)
ADC characteristics

AIN
C
(Equation
ADC
Parameter
max formula:
T
S

ln

1) is used to determine the maximum external impedance allowed for an
2
N
+
DDA
Doc ID 15056 Rev 3
PCLK2
2

(2)
–
and V
must be added to the latency specified in
ADC
See
f
f
f
f
f
f
ADC
ADC
ADC
ADC
ADC
ADC
and
REF-
Conditions
for details
Equation 1
= 12 MHz
= 12 MHz
= 12 MHz
= 12 MHz
= 12 MHz
= 12 MHz
Table 45
is internally connected to V
14 to 252 (t
for successive approximation)
V
0 (V
REF-
ground)
0.107
0.05
Min
2.4
0.6
1.5
1.2
SSA
0
tied to
STM32F102x8, STM32F102xB
or
S
for sampling +12.5
SSA
5.9
83
Typ
,
0
Table
44.
V
0.214
0.143
239.5
Max
17.1
823
3
2
3.6
REF+
12
17
50
18
1
1
1
8
(3)
(3)
1/f
1/f
1/f
1/f
1/f
1/f
MHz
MHz
Unit
kHz
k
k
pF
µs
µs
µs
µs
µs
µs
V
V
ADC
ADC
ADC
ADC
ADC
ADC