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STM8S207MBT3B 데이터시트(PDF) 83 Page - STMicroelectronics

부품명 STM8S207MBT3B
상세설명  Performance line, 24 MHz STM8S 8-bit MCU, up to 128 Kbytes Flash, integrated EEPROM,10-bit ADC, timers, 2 UARTs, SPI, I²C, CAN
PDF  103 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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STM8S207MBT3B 데이터시트(HTML) 83 Page - STMicroelectronics

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STM8S207xx, STM8S208xx
Electrical characteristics
Doc ID 14733 Rev 9
83/103
10.3.10
10-bit ADC characteristics
Subject to general operating conditions for VDDA, fMASTER, and TA unless otherwise
specified.
Table 44.
ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fADC
ADC clock frequency
VDDA = 3 to 5.5 V
1
4
MHz
VDDA = 4.5 to 5.5 V
1
6
VDDA
Analog supply
3
5.5
V
VREF+
Positive reference voltage
2.75(1)
1.
Data guaranteed by design, not tested in production..
VDDA
V
VREF-
Negative reference voltage
VSSA
0.5(1)
V
VAIN
Conversion voltage range(2)
2.
During the sample time the input capacitance CAIN (3 pF max) 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. Values for the sample clock tS depend on programming.
VSSA
VDDA
V
Devices with external
VREF+/VREF- pins
VREF-
VREF+
V
CADC
Internal sample and hold
capacitor
3pF
tS
(2)
Sampling time
fADC = 4 MHz
0.75
µs
fADC = 6 MHz
0.5
tSTAB
Wakeup time from standby
7
µs
tCONV
Total conversion time (including
sampling time, 10-bit resolution)
fADC = 4 MHz
3.5
µs
fADC = 6 MHz
2.33
µs
14
1/fADC



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