參數(shù)資料
型號: ICL71C03
廠商: Intersil Corporation
英文描述: Precision 4 1/2 Digit, A/D Converter(精密4 1/2 位A/D轉換器)
中文描述: 精密4 1 / 2位,A / D轉換(精密4 1 / 2位的A / D轉換器)
文件頁數(shù): 2/19頁
文件大小: 168K
代理商: ICL71C03
3-35
Functional Block Diagram
FIGURE 1.
A2
+
-
A3
+
-
INTEG.
COMP.
A1
+
-
BUFFER
14
11
9
INT OUT
-INT IN
BUF OUT
10
-BUF IN
-1.2V
2
1
-15V
7
8
+15V
12
+INT IN
13
ICL8052/8068
INT.
REF.
6
3
+BUF IN
5
REF
OUT
10k
1k
300pF
10
μ
F
COMP
OUT
COMP IN
17
5
16
9
MULTIPLEXER
COUNTERS
20
21
22
CONTROL LOGIC
ZERO
CROSSING
DETECTOR
23
ICL71C03
REF
CAP 2
AZ OUT
SW3
1
+5V
ANALOG
GND
ANALOG
INPUT
28
BUSY
18
STROBE
13
UNDER
RANGE
14
12
CLOCK
IN
2
4 1/2 DIGIT/
3 1/2 DIGIT
2
6
5
1
4
10
μ
F (TYP)
REF
CAP 1
8
7
10
11
10k
0.1
μ
F
REF
1
μ
F (TYP)
AZ IN
6
-15V
15
0.22
μ
F
10k
90k
100k
4
RUN/
HOLD
OVER
RANGE
B
1
B
2
B
3
B
4
LATCH
LATCH
LATCH
LATCH
LATCH
LSD
MSD
SEVEN-
SEGMENT
DECODER
3
P
19
24
25
26
27
D
5
D
4
D
3
D
2
D
1
ICL8052/ICL71C03, ICL8068/ICL71C03
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