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器件3D模型￥ 7.264
ICL7107CPLZ 数据手册 - Intersil（英特矽尔）
制造商:
Intersil（英特矽尔）
分类:
AD转换器
封装:
DIP-40
描述:
INTERSIL ICL7107CPLZ 模数转换器, 3.5 bit, 3 SPS, 双 (+/-), -5 V, 5 V, DIP
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ICL7107CPLZ数据手册
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ICL7106, ICL7107, ICL7107S
12
FN3082.9
October 24, 2014
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FIGURE 13. ICL7107 WITH AN EXTERNAL BAND-GAP
REFERENCE (1.2V TYPE)
FIGURE 14. ICL7107 WITH ZENER DIODE REFERENCE
FIGURE 15. ICL7106 AND ICL7107: RECOMMENDED COMPONENT
VALUES FOR 2V FULL SCALE
FIGURE 16. ICL7107 OPERATED FROM SINGLE +5V
Typical Applications (Continued)
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
GND
100pF
TO PIN 1
SET V
REF
= 100mV
0.1µF
0.01µF
1MΩ
100kΩ
1kΩ 10kΩ
IN
+
47kΩ
0.47µF
TO DISPLAY
IN LO is tied to supply COMMON establishing the correct common mode
voltage. If COMMON is not shorted to GND, the input voltage may float with
respect to the power supply and COMMON acts as a pre-regulator for the
reference. If COMMON is shorted to GND, the input is single ended
(referred to supply GND) and the preregulator is overridden.
10kΩ
1.2V (ICL8069)
V
-
V
+
-
0.22µF
Since low TC zeners have breakdown voltages ~ 6.8V, diode must be
placed across the total supply (10V). As in the case of Figure 12
, IN LO
may be tied to either COMMON or GND.
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
GND
100pF
TO PIN 1
SET V
REF
= 100mV
0.1µF
0.01µF
1MΩ
100kΩ
1kΩ 100kΩ
IN
+
-
47kΩ
0.22µF
0.47µF
TO DISPLAY
+5V
-5V
6.8V
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
= 1V
0.1µF
0.01µF
1MΩ
100kΩ
25kΩ 24kΩ
IN
+
-
470kΩ
0.22µF
0.047µF
TO DISPLAY
V+
V-
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
GND
100pF
TO PIN 1
SET V
REF
= 100mV
0.1µF
0.01µF
1MΩ
100kΩ
1kΩ 10kΩ
IN
+
-
47kΩ
0.22µF
0.47µF
TO DISPLAY
An external reference must be used in this application, since the voltage
between V+ and V- is insufficient for correct operation of the internal
reference.
15kΩ
1.2V (ICL8069)
+5V
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