ICL7126CPL Intersil, ICL7126CPL Datasheet - Page 13

• Manufacturer Part Number: ICL7126CPL
• Description: IC ADC 3.5 DIGIT LCD LP 40-DIP
• Manufacturer: Intersil

Specifications of ICL7126CPL

• Display Type: LCD
• Configuration: 7 Segment
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 70µA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Supply: -
• Interface: -
• Other names: ICL7126CPLIS

Typical Applications
COMMON
REF LO
REF HI
FIGURE 17. CIRCUIT FOR DEVELOPING UNDERRANGE AND OVERRANGE SIGNAL FROM ICL7126 OUTPUTS
OSC 1
OSC 2
OSC 3
IN LO
BUFF
TEST
C
C
IN HI
REF
REF
A-Z
INT
BP
G2
G3
V -
C3
A3
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
750Ω
Test is used as a common-mode reference level to ensure compatibility with most op amps.
TO DISPLAY
O /RANGE
U /RANGE
TO PIN 1
0.22µF
180kΩ
13
50pF
(Continued)
0.1µF
180kΩ
0.047µF
TO BACKPLANE
CD4023 OR
10kΩ
FIGURE 18. AC TO DC CONVERTER WITH ICL7126
74C10
10µF
10µF
220kΩ
TO LOGIC
V
V+
CC
CD4077
+
-
9V
ICL7126
SCALE FACTOR ADJUST
(V
REF
10
11
12
13
14
15
16
17
18
19
20
1µF
1
2
3
4
5
6
7
8
9
(FOR OPTIMUM
= 100mV FOR AC TO RMS)
BANDWIDTH)
V+
D1
C1
B1
A1
F1
G1
E1
D2
C2
B2
A2
F2
E2
D3
B3
F3
E3
AB4
POL
4.3kΩ
470kΩ
100pF
10kΩ
COMMON
REF LO
REF HI
OSC 1
OSC 2
OSC 3
IN LO
BUFF
TEST
C
C
IN HI
REF
REF
A-Z
INT
BP
G2
C3
A3
G3
V-
1µF
1N914
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
LOGIC
GND
TO
V-
10kΩ
0.22µF
5µF
1µF
ICL7611
2.2MΩ
+
-
100kΩ
AC IN
FN3084.5