tc7126a Microchip Technology Inc., tc7126a Datasheet - Page 3
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tc7126a
Manufacturer Part Number
tc7126a
Description
3-1/2 Digit Analog-to-digital Converters
Manufacturer
Microchip Technology Inc.
Datasheet
1.TC7126A.pdf
(26 pages)
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Typical Application
© 2006 Microchip Technology Inc.
Analog
–
+
Input
Note: Pin numbers refer to 40-pin DIP.
1MΩ
0.01μF
0.15μF
180kΩ
0.33
μF
31
30
32
28
29
27
34
C
OSC2
ANALOG
COMMON
V
V
V
C
V
REF
39
BUFF
IN
IN
INT
AZ
+
-
+
0.1μF
560kΩ
R
OSC
OSC3
38
C
33
REF
C
50pF
OSC
-
OSC1
V
22–25
V
2–19
REF
REF
POL
40
BP
V+
V-
+
-
Segment
Drive
TC7126A
20
21
1
36
35
26
TC7126
Minus Sign
240kΩ
To Analog Common (Pin 32)
1 Conversion/Sec
10kΩ
Backplane
LCD
+
9V
TC7126/A
DS21458C-page 3