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参数资料
| 型号： | STM32F103T8U7TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 1.25 MHz, RISC MICROCONTROLLER, QCC36 |
| 封装： | 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, VFQFP-36 |
| 文件页数： | 65/92页 |
| 文件大小： | 1212K |
| 代理商： | STM32F103T8U7TR |
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Electrical characteristics
STM32F103x8, STM32F103xB
Doc ID 13587 Rev 11
5.3.17
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 45 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 45.
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
(3)
Conversion voltage range
0 (VSSA or VREF-
tied to ground)
VREF+
V
RAIN
External input impedance
See Equation 1 and
Table 46 for details
50
k
RADC
Sampling switch resistance
1
k
CADC
Internal sample and hold
capacitor
8pF
tCAL
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
2(4)
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.
In devices delivered in VFQFPN and LQFP packages, VREF+ is internally connected to VDDA and VREF- is internally
connected to VSSA. Devices that come in the TFBGA64 package have a VREF+ pin but no VREF- pin (VREF- is internally
4.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STM32F103T8U7XXX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
| STM32F103TB | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
| STM32F103TBH6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
| STM32F103TBH6XXX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
| STM32F103TBH7TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
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