TC7107 TelCom, TC7107 Datasheet - Page 10

• Manufacturer Part Number: TC7107
• Description: 3-1/2 DIGIT A/D CONVERTERS
• Manufacturer: TelCom

COMMON
ANALOG
V IN
V IN
+
–
32
31
30
C REF
+
INT
10
A/Z
INT
A
34
V REF
+
DE (+)
36
A/Z
DE
(–)
AZ & DE ( )
C REF
DE
(+)
DE (–)
V REF
–
35
A/Z
V
26
33
C REF
–
–
V + – 3.0V
+
–
V
+
–
BUFF
TC7107A
28
LOW
TEMPCO
V REF
R INT
V
+
1
29
INTEGRATOR
OSC 1
INTERNAL DIGITAL GROUND
TYPICAL SEGMENT OUTPUT
C AZ
A/Z
+
–
40
COMPARATOR
FROM COMPARATOR OUTPUT
0.5mA
8mA
CLOCK
R OSC
OSC
27
V INT
C INT
+
–
39
2
SECTION
TO SWITCH DRIVERS
SEGMENT
DIGITAL
OUTPUT
C OSC
V
+
TO
THOUSANDS
OSC 3
38
f OSC
DIGITAL GOUND
4
7 SEGMENT
HUNDREDS
DECODE
LCD SEGMENT DRIVERS
LED DISPLAY
DATA LATCH
LOGIC CONTROL
7 SEGMENT
DECODE
TENS
7 SEGMENT
DECODE
UNITS
500
TEST
37
21
1
DIGITAL
GROUND
V
+