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參數(shù)資料
| 型號： | HI7106D |
| 廠商： | Intersil Corporation |
| 英文描述： | 3 1/2 Digit, LCD/LED Display, A/D Converter |
| 中文描述： | 3 1 / 2位，液晶/ LED顯示，A / D轉(zhuǎn)換 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大小： | 123K |
| 代理商： | HI7106D |
8
and select V
REF
= 0.341V. Suitable values for integrating
resistor and capacitor would be 20k
and 0.22
μ
F. This
makes the system slightly quieter and also avoids a divider
network on the input. Another advantage of this system
occurs when a digital reading of zero is desired for V
IN
≠
0.
Temperature and weighing systems with a variable fare are
examples. This offset reading can be conveniently generated
by connecting the voltage transducer between IN HI and
COMMON and the variable (or fixed) offset voltage between
COMMON and IN LO.
Typical Applications
The HI7106 may be used in a wide variety of configurations.
The circuits which follow show some of the possibilities, and
serve to illustrate the exceptional versatility of this A/D con-
verter.
Typical Applications
FIGURE 8. HI7106 USING THE INTERNAL REFERENCE
FIGURE 9. HI7106 RECOMMENDED COMPONENT VALUES
FOR 2V FULL SCALE
28
40
39
38
37
36
35
34
33
32
31
30
29
27
26
25
24
23
22
21
OSC 1
OSC 2
OSC 3
TEST
REF HI
REF LO
C
REF
C
REF
COMMON
IN HI
IN LO
A-Z
BUFF
INT
V -
G2
C3
A3
G3
BP
100pF
TO PIN 1
SET V
REF
= 100mV
0.1
μ
F
0.01
μ
F
1M
100k
1k
22k
IN
+
-
9V
47k
0.22
μ
F
0.47
μ
F
TO BACKPLANE
TO DISPLAY
Values shown are for 200mV full scale, 3 readings/sec., floating
supply voltage (9V battery).
+
-
28
40
39
38
37
36
35
34
33
32
31
30
29
27
26
25
24
23
22
21
OSC 1
OSC 2
OSC 3
TEST
REF HI
REF LO
C
REF
C
REF
COMMON
IN HI
IN LO
A-Z
BUFF
INT
V -
G2
C3
A3
G3
BP/GND
100pF
TO PIN 1
SET V
REF
= 100mV
0.1
μ
F
0.01
μ
F
1M
100k
25k
24k
IN
+
-
470k
0.22
μ
F
0.047
μ
F
TO DISPLAY
V+
V-
HI7106
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