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參數資料
| 型號： | ADC912A |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | CMOS Microprocessor-Compatible 12-Bit A/D Converter |
| 中文描述： | 微處理器的CMOS兼容的12位A / D轉換器 |
| 文件頁數： | 7/16頁 |
| 文件大小： | 237K |
| 代理商： | ADC912A |
REV. B
–7–
Typical Performance Characteristics
–
ADC912A
0.4
4096
–
0.4
0
0
–
0.2
0.2
2048
1024
3072
DIGITAL OUTPUT CODE
I
–
N
–
TPC 1. Nonlinearity Error vs. Digital
Output Code
6
–
4
–
75
125
–
1
–
3
–
50
–
2
2
0
1
3
4
5
100
25
50
–
25
0
75
TEMPERATURE
–
C
S
–
CS, RD = LOGIC HIGH
A
IN
= 10V
CLK = 1MHz XTAL
I
SS
@ V
SS
=
–
15.75V
V
DD
@ 5.25V
TPC 4. Supply Current vs.
Temperature
256
0
64
128
192
2045
2049
2048
2047
2046
256 SUCCESSIVE
CONVERSIONS
WITH
A
IN
= 4.99756V
OUTPUT CODE
–
Decimal
N
TPC 7. Code Repetition
5
–
5
–
75
125
–
2
–
4
–
50
–
3
1
–
1
0
2
3
4
100
25
50
–
25
0
75
TEMPERATURE
–
C
O
–
TPC 2. Offset Error vs. Temperature
80
0
1M
40
1k
60
100k
10k
CLK IN FREQUENCY
–
Hz
C
OUT
= 20pF
f
CONV
= 1/13 f
CLK IN
T
EXT CLK IN
P
DISS
= IDD 5 + ISS 12
P
D
–
TPC 5. Power Dissipation vs. CLK IN
Frequency
ANALOG INPUT
D
100
90
10
0%
TRANSITION NOISE
TPC 8. Transition Noise Cross Plot
6
–
4
–
75
125
–
1
–
3
–
50
–
2
2
0
1
3
4
5
100
25
50
–
25
0
75
TEMPERATURE
–
C
G
–
TPC 3. Gain Error vs. Temperature
50
–
50
–
20
–
40
1
–
30
0
10
–
10
0
20
30
40
5
4
3
2
V
O
OUTPUT VOLTAGE
–
Volts
D
–
I
SINK
I
SOURCE
TPC 6. Digital Output Current vs.
Output Voltage
0
–
2
–
4
20
0
2
4
10
15
5
CONVERSION TIME
–
s
L
–
V
DD
= +5V
V
SS
=
–
12V
T
A
= 25 C
TPC 9. Linearity Error vs. Conversion
Time
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