参数资料
型号: STM32F107VBH7XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, BGA100
封装: ROHS COMPLIANT, LFBGA-100
文件页数: 66/90页
文件大小: 998K
代理商: STM32F107VBH7XXX
STM32F105xx, STM32F107xx
Electrical characteristics
CAN (controller area network) interface
Refer to Section 5.3.12: I/O port characteristics for more details on the input/output alternate
function characteristics (CANTX and CANRX).
5.3.16
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 50 are derived from tests
performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage
conditions summarized in Table 9.
Note:
It is recommended to perform a calibration after each power-up.
Table 50.
ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Power supply
2.4
3.6
V
VREF+
Positive reference voltage
2.4
VDDA
V
IVREF
Current on the VREF input pin
160(1)
A
fADC
ADC clock frequency
0.6
14
MHz
fS
(2)
Sampling rate
0.05
1
MHz
fTRIG
External trigger frequency
fADC = 14 MHz
823
kHz
17
1/fADC
VAIN
Conversion voltage range(3)
0 (VSSA or VREF-
tied to ground)
VREF+
V
RAIN
External input impedance
k
Ω
Sampling switch resistance
1
k
Ω
Internal sample and hold capacitor
12
pF
Calibration time
fADC = 14 MHz
5.9
s
83
1/fADC
tlat
Injection trigger conversion latency
fADC = 14 MHz
0.214
s
3(4)
1/fADC
tlatr
Regular trigger conversion latency
fADC = 14 MHz
0.143
s
1/fADC
tS
Sampling time
fADC = 14 MHz
0.107
17.1
s
1.5
239.5
1/fADC
tSTAB
Power-up time
0
1
s
tCONV
Total conversion time (including
sampling time)
fADC = 14 MHz
1
18
s
14 to 252 (tS for sampling +12.5 for
successive approximation)
1/fADC
1.
Based on characterization, not tested in production.
2.
Guaranteed by design, not tested in production.
3.
VREF+ is internally connected to VDDA and VREF- is internally connected to VSSA.
4.
For external triggers, a delay of 1/fPCLK2 must be added to the latency specified in Table 50.
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