tc7136a Microchip Technology Inc., tc7136a Datasheet - Page 3

• Manufacturer Part Number: tc7136a
• Description: Low Power 3-1/2 Digit Analog-to-digital Converter
• Manufacturer: Microchip Technology Inc.

Typical Application

2002 Microchip Technology Inc.
Analog
+
–
Input
180kΩ
1MΩ
0.01µF
0.15µF
0.47
µF
31
30
32
28
29
27
34
OSC2
C
V
V
ANALOG
COMMON
V
C
V
REF
IN
IN
39
BUFF
AZ
INT
+
-
0.1µF
+
TC7136A
560kΩ
R
TC7136
OSC
OSC3
38
33
C
REF
C
50pF
OSC
-
OSC1
V
V
22-25
REF
REF
9-19
POL
40
V+
BP
V-
+
-
Segment
Drive
20
21
1
36
35
26
240kΩ
Minus Sign
TC7136/TC7136A
To Analog Common (Pin 32)
1 Conversion/Sec
10kΩ
Backplane
LCD
+
9V
DS21461B-page 3