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参数资料
| 型号： | S3C9428XX-SO |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDSO32 |
| 封装： | 0.450 INCH, SOP-32 |
| 文件页数： | 11/26页 |
| 文件大小： | 197K |
| 代理商： | S3C9428XX-SO |
S3C9424/C9428/P9428
ELECTRICAL DATA
16-11
Table 16-10. A/D Converter Electrical Characteristics
(TA = – 40°C to + 85°C, VDD = 1.8/3.0 V to 5.5 V, VSS = 0 V)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Total accuracy
V
DD = 5.12 V
CPU clock = 10 MHz
AV
REF = 5.12 V
AV
SS = 0 V
–
± 3
LSB
Integral linearity error
ILE
“
–
± 2
LSB
Differential linearity error
DLE
“
–
± 1
Offset error of top
EOT
“
–
±1
±3
Offset error of bottom
EOB
“
–
±1
± 2
Conversion time(1)
t
CON
fosc = 10 MHz
20
–
s
Analog input voltage
V
IAN
–
AV
SS
–
AV
REF
V
Analog input impedance
R
AN
–
2
–
M
ADC reference voltage
AV
REF
–
2.5
–
V
DD
V
ADC reference ground
AV
SS
–
V
SS
–
V
SS +
0.3
V
Analog input current
I
ADIN
AV
REF = VDD = 5 V
–
10
A
ADC block
I
ADC
AV
REF = VDD = 5 V
–
1
3
mA
current (2)
AV
REF = VDD = 3 V
0.5
1.5
AV
REF = VDD = 5 V
Power down mode
–
100
500
nA
NOTES:
1.
‘Conversion time’ is the time required from the moment a conversion operation starts until it ends.
2.
IADC is operating current during A/D conversion.
11 1111 1111
11 1111 1110
11 1111 1101
.
00 0000 0010
00 0000 0001
00 0000 0000
VEOB
AVSS
V2
V(K-1)
V(K)
VEOT AVREF
Analog Input
Digital Output
Figure 16-6. Definition of DLE and ILE
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