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参数资料
| 型号： | ST6225LM1/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO28 |
| 封装： | PLASTIC, SOP-28 |
| 文件页数： | 10/10页 |
| 文件大小： | 119K |
| 代理商： | ST6225LM1/XXX |
9/10
ST6215L/25L
2.5 A/D CONVERTER CHARACTERISTICS
(TA = 0 to +70°C unless otherwise specified)
Notes:
1.
Noise at VDD, VSS <10mV
2.
With oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased.
2.6 TIMER CHARACTERISTICS
((TA = 0 to +70°C unless otherwise specified)
.
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
Res
Resolution
8
Bit
ATOT
Total Accuracy (1) (2)
fOSC > 1.2MHz, VDD=3.0V
fOSC > 1.2MHz, VDD=2.4V
fOSC > 32kHz, VDD=3.0V
±25
±35
±50
mV
tC
Conversion Time
fOSC = 2MHz
fOSC = 4 MHz
280
140
s
ZIR
Zero Input Reading
Conversion result when
VIN = VSS
00
Hex
FSR
Full Scale Reading
Conversion result when
VIN = VDD
FF
Hex
ADI
Analog Input Current During
Conversion
VDD= 4.0V
1.0
A
ACIN
Analog Input Capacitance
2
5
pF
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
fIN
Input Frequency on TIMER Pin
MHz
tW
Pulse Width at TIMER Pin
VDD = 2.4V
250
ns
fINT
4
----------
1
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