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Part Name
Description
ICL7129CM44 View Datasheet(PDF) - Intersil
Part Name
Description
Manufacturer
ICL7129CM44
41/2 Digit LCD, Single-Chip A/D Converter
Intersil
ICL7129CM44 Datasheet PDF : 10 Pages
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Functional Block Diagram
ICL7129
LOW BATTERY CONTINUITY
OSC1
SEGMENT DRIVES
BACKPLANE
DRIVES
ANNUNCIATOR DRIVE
LATCH, DECODE DISPLAY MULTIPLEXER
V
DISP
OSC2
OSC3
UP/DOWN RESULTS COUNTER
SEQUENCE COUNTER/DECODER
CONTROL LOGIC
ANALOG SECTION
RANGE L/H CONT
V+
V- DGND
Typical Application Schematic
LOW BATTERY CONTINUITY
OR UR DP
2
DP
1
DP
3
DP
3
V+
5pF (MICA)
ICL7129
120kHz
560pF
1.2k
Ω
0.1
µ
F
+
1.0
µ
F
150k
Ω
+
10k
Ω
9V
-
20K
0.1
µ
F
100k
Ω
-
+
V
IN
ICL8069
270K
10pF (MICA)
V+
6.8
µ
F
2
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