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參數(shù)資料
| 型號(hào)： | ADC0803LCWM |
| 廠商： | INTERSIL CORP |
| 元件分類： | ADC |
| 英文描述： | 8-Bit, Microprocessor- Compatible, A/D Converters |
| 中文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 12/18頁 |
| 文件大小： | 150K |
| 代理商： | ADC0803LCWM |
Philips Semiconductors
Product data
ADC0803/0804
CMOS 8-bit A/D converters
2002 Oct 17
12
A/D
V
IN
(+)
V
IN
(–)
V
CC
V
REF
/2
+
10
μ
F
2 k
2 k
100
FULL SCALE
OPTIONAL
TRANSDUCER
V
CC
SL00024
Figure 9. Ratiometric Mode of Operation with Optional Full
Scale Adjustment
CLK IN
INTR
A GND
V
REF
/2
D GND
V
IN
(–)
A/D
+5 V
10 k
2.7 k
47
μ
F TO
100
μ
F
56 pF
10k
CS
RD
1
2
3
4
5
6
7
8
9
10
WR
V
IN
(+)
20
CLK R
D0
18
17
16
15
14
13
12
11
V
CC
DB0
D1
D2
D3
D4
D5
D6
D7
DB1
DB2
DB3
DB4
DB5
DB6
DB7
+5 V
19
SL00025
10 k
Figure 10. Connection for Continuous Conversion
R
CLK IN 4
C
CLK
A/D
f
CLK
= 1/1.7 R C
R = 10 k
CLK R 19
SL00026
Figure 11. Self-Clocking the Converter
D GND
V
REF
/2
CLK IN
INTR
A GND
V
IN
(–)
A/D
10 k
CS
RD
1
2
3
4
5
6
7
8
9
10
WR
V
IN
(+)
20
CLK R
D0
18
17
16
15
14
13
12
11
V
CC
DB0
D1
D2
D3
D4
D5
D6
D7
DB1
DB2
DB3
DB4
DB5
DB6
DB7
+5 V
19
ADDRESS
DECODE
LOGIC
INT
I/O WR
I/O RD
ANALOG
INPUTS
56 pF
SL00027
Figure 12. Interfacing to 8080A Microprocessor
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