CA3162
Functional Block Diagram
V+
V+
ZERO
ADJ
INTEGRATING
CAP
BCD OUTPUTS
2 1 2 0 2 2
2 3
V+
8
9
12
1
2
15
16
14
3
CONTROL LOGIC
COUNTERS AND MULTIPLEX
DIGIT
DRIVE
4
DIGIT SELECT
OUTPUTS ?
5
4
= MSD
THRESHOLD
5
= LSD
HIGH INPUT 11
LOW INPUT 10
V/I
CONVERTER
DET.
÷ 2048
÷ 96
3
= NSD
REFERENCE
CURRENT
GENERATOR
BAND GAP
REFERENCE
OSC
HOLD/
BYPASS
GATES
6
CONVERSION
CONTROL
?
MSD = MOST SIGNIFICANT DIGIT
NSD = NEXT SIGNIFICANT DIGIT
LSD = LEAST SIGNIFICANT DIGIT
13
GAIN
ADJ
2
7
GND
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