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STM8S903K3 bảng dữ liệu(PDF) 83 Page - STMicroelectronics

tên linh kiện STM8S903K3
Giải thích chi tiết về linh kiện  16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM8S903K3 STM8S903F3
Electrical characteristics
89
10.3.10
10-bit ADC characteristics
Subject to general operating conditions for VDDA, fMASTER, and TA unless otherwise
specified.
Table 47. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fADC
ADC clock frequency
VDD= 2.95 to 5.5 V
1
-
4
MHz
VDD= 4.5 to 5.5 V
1
-
6
VAIN
Conversion voltage range(1)
1. During the sample time, the sampling 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.
-
VSS
-
VDD
V
VBGREF
Internal bandgap reference
voltage
VDD = 2.95 to 5.5 V
1.19
1.22
1.25
V
CADC
Internal sample and hold
capacitor
--
3
-
pF
tS(1)
Minimum sampling time
fADC = 4 MHz
-
0.75
-
µs
fADC = 6 MHz
-
0.5
-
tSTAB
Wakeup time from standby
-
-
7.0
-
µs
tCONV
Minimum 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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