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参数资料
| 型号： | STM8AF6126TBX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP32 |
| 封装： | 7 X 7 MM, ROHS COMPLIANT, LQFP-32 |
| 文件页数： | 74/99页 |
| 文件大小： | 881K |
| 代理商： | STM8AF6126TBX |
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Electrical characteristics
STM8AF61xx, STM8AF62xx
Doc ID 14952 Rev 4
10.3.11
10-bit ADC characteristics
Subject to general operating conditions for VDDA, fMASTER, and TA unless otherwise
specified.
Figure 40.
Typical application with ADC
1.
Legend: RAIN = external resistance, CAIN = capacitors, Csamp = internal sample and hold capacitor.
Table 56.
ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fADC
ADC clock frequency
-
111 kHz
-
4 MHz
kHz/MHz
VDDA
Analog supply
-
3
-
5.5
V
VREF+
Positive reference voltage
-
2.75
-
VDDA
VREF-
Negative reference voltage
-
VSSA
-0.5
VAIN
Conversion voltage range(1)
1.
During the sample time, the sampling capacitance, Csamp (3 pF typ), can be charged/discharged by the
external source. The internal resistance of the analog source must allow the capacitance to reach its final
voltage level within tS. After the end of the sample time tS, changes of the analog input voltage have no
effect on the conversion result.
-
VSSA
-
VDDA
Devices with
external VREF+/
VREF- pins
VREF-
-
VREF+
Csamp
Internal sample and hold capacitor
-
3
pF
tS
Sampling time
(3 x 1/fADC)
fADC = 2 MHz
-
1.5
-
s
fADC = 4 MHz
-
0.75
-
tSTAB
Wakeup time from standby
fADC = 2 MHz
-
7
-
fADC = 4 MHz
-
3.5
-
tCONV
Total conversion time including
sampling time
(14 x 1/fADC)
fADC = 2 MHz
-
7
-
fADC = 4 MHz
-
3.5
-
Rswitch
Equivalent switch resistance
-
30
k
Ω
AINx
STM8A
VDD
IL
VT
0.6V
VT
0.6V
VAIN
RAIN
10-bit A/D
conversion
CAIN
Ts
Csamp
Rswitch
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STM8AF6146 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 32 Kbytes Flash, data EEPROM, 10-bit ADC, timers, LIN, SPI, I2C, 3 to 5.5 V |
| STM8AF6146TCY | 制造商:STMicroelectronics 功能描述: |
| STM8AF6148 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 32 Kbytes Flash, data EEPROM, 10-bit ADC, timers, LIN, SPI, I2C, 3 to 5.5 V |
| STM8AF6166 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 32 Kbytes Flash, data EEPROM, 10-bit ADC, timers, LIN, SPI, I2C, 3 to 5.5 V |
| STM8AF6166TAY | 制造商:STMicroelectronics 功能描述:AUTOMOTIVE 8-BIT MCU, WITH UP TO 32 KBYTES FLASH, EEPROM - Trays |
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