Datasheet

© 2008 Microchip Technology Inc. DS21455D-page 3
TC7106/A/TC7107/A
Typical Application
V
REF
+
TC7106/A
TC7107/A
9V
V
REF
33
34
24 k
Ω
1kΩ
29
36
39 38
40
0.47 µF
0.1 µF
V-
OSC1OSC3
OSC2
To Analog
Common (Pin 32)
3 Conversions/Sec
200 mV Full Scale
C
OSC
100 kΩ
47 kΩ
0.22 µF
C
REF
-C
REF
+
V
IN
+
V
IN
-
ANALOG
COMMON
V
INT
V
BUFF
C
AZ
20
21
Segment
Drive
2 - 19
22 - 25
POL
BP
V+
Minus Sign
Backplane
Drive
28
R
OSC
100 pF
LCD Display (TC7106/A) or
Common Node with LED
Display (TC7107/A)
27
100 mV
1
26
35
V
REF
-
+
31
0.01 µF
Analog
Input
+
–
1MΩ
30
32