CA3162A Intersil, CA3162A Datasheet - Page 2

• Manufacturer Part Number: CA3162A
• Description: A/D Converters for 3-Digit Display
• Manufacturer: Intersil

Functional Block Diagram
HIGH INPUT
LOW INPUT
†
MSD = MOST SIGNIFICANT DIGIT
LSD = LEAST SIGNIFICANT DIGIT
NSD = NEXT SIGNIFICANT DIGIT
11
10
ZERO
ADJ
V/I
CONVERTER
8
V+
9
REFERENCE
GENERATOR
CURRENT
V+
12
INTEGRATING
CAP
CA3162, CA3162A
THRESHOLD
DET.
COUNTERS AND MULTIPLEX
REFERENCE
BAND GAP
CONTROL LOGIC
3-6
GAIN
ADJ
13
2
1
1
BCD OUTPUTS
2
2
0
2
15
2
OSC
2048
2
16
3
BYPASS
GATES
HOLD/
DRIVE
DIGIT
96
14
V+
7
GND
3
4
5
6
CONVERSION
CONTROL
DIGIT SELECT
OUTPUTS
4
5
3
= MSD
= NSD
= LSD
†