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參數(shù)資料
| 型號(hào)： | ADC08238CIWM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold |
| 中文描述： | 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | 0.300 INCH, PLASTIC, SOP-20 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大小： | 419K |
| 代理商： | ADC08238CIWM |
Electrical Characteristics
(Continued)
The following specifications apply for V
CC
e a
5 V
DC
, V
REF
e a
2.5 V
DC
and f
CLK
e
4 MHz, R
source
e
50
X
unless otherwise
specified.
Boldface limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
;
all other limits T
A
e
T
J
e
25
C.
ADC08231,
ADC08234 and
ADC08238 with BIN,
CIN, BIWM,
CIWM, or CIMF Suffixes
Units
(Limits)
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
CONVERTER AND MULTIPLEXER CHARACTERISTICS
(Continued)
DC Common-Mode Error
V
REF
e a
2.5 V
DC
g
(/2
LSB (max)
Power Supply Sensitivity
V
CC
e a
5V
g
5%,
V
REF
e a
2.5 V
DC
g
(/4
LSB (max)
On Channel Leakage
Current (Note 13)
On Channel
e
5V,
Off Channel
e
0V
0.2
1
m
A (max)
On Channel
e
0V,
Off Channel
e
5V
b
0.2
b
1
m
A (max)
Off Channel Leakage
Current (Note 13)
On Channel
e
5V,
Off Channel
e
0V
b
0.2
b
1
m
A (max)
On Channel
e
0V,
Off Channel
e
5V
0.2
1
m
A (max)
DYNAMIC CHARACTERISTICS
(see Typical Converter Performance Characteristics)
S
N
a
D
Signal-to-
(Noise
a
Distortion)
Ratio
V
REF
e a
5V
Sample Rate
e
286 kHz
V
IN
e a
5 V
p-p
f
IN
e
10 kHz
48.35
dB
f
IN
e
50 kHz
48.00
dB
f
IN
e
100 kHz
47.40
dB
DIGITAL AND DC CHARACTERISTICS
V
IN(1)
Logical ‘‘1’’ Input Voltage
V
CC
e
5.25V
2.0
V (min)
V
IN(0)
Logical ‘‘0’’ Input Voltage
V
CC
e
4.75V
0.8
V (max)
I
IN(1)
Logical ‘‘1’’ Input Current
V
IN
e
5.0V
1
m
A (max)
I
IN(0)
Logical ‘‘0’’ Input Current
V
IN
e
0V
b
1
m
A (max)
V
OUT(1)
Logical ‘‘1’’ Output Voltage
V
CC
e
4.75V:
I
OUT
e b
360
m
A
I
OUT
e b
10
m
A
2.4
4.5
V (min)
V (min)
V
OUT(0)
Logical ‘‘0’’ Output Voltage
V
CC
e
4.75V
I
OUT
e
1.6 mA
0.4
V (max)
I
OUT
TRI-STATE
é
Output Current
V
OUT
e
0V
V
OUT
e
5V
b
3.0
3.0
m
A (max)
m
A (max)
I
SOURCE
Output Source Current
V
OUT
e
0V
b
6.5
mA (min)
I
SINK
Output Sink Current
V
OUT
e
V
CC
8.0
mA (min)
I
CC
Supply Current
ADC08234, ADC08238
ADC08231 (Note 16)
CS
e
HIGH
3.0
6.0
mA (max)
mA (max)
4
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