TC826CBU データシートの表示（PDF） - Microchip Technology

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TC826CBU

Analog-to-Digital Converter with Bar Graph Display Output

Microchip Technology 

TC826

Package Type

64-Pin PQFP

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

NC 1

ANALOG

COMMON 2

+IN 3

-IN 4

REF IN 5

CREF+ 6

CREF- 7

VDD 8

VBUF 9

CAZ 10

VINT 11

VSS 12

OSC1 13

OSC2 14

BP 15

BAR 0 16

TC826CBU

48 NC

47 BAR 30

46 BAR 29

45 BAR 28

44 BAR 27

43 BAR 26

42 BAR 25

41 BAR 24

40 BAR 23

39 BAR 22

38 BAR 21

37 BAR 20

36 BAR 19

35 BAR 18

34 BAR 17

33 BAR 16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Typical Application

CINT

1MΩ

1MΩ

1MΩ

61

BAR/DOT

62

HOLD

63

TEST

12

VSS

VDD

8

RINT

9

VBUF

CAZ

10

CAZ

11

VINT

CREF+ 6

CREF- 7

OSC1 13

TC826

OSC2 14

BP 15

REF ANALOG

BAR 0- OR 59

IN COMMON -IN +IN BAR 40 POL-

5

2

43

60

CREF

1.0mf

ROSC

430kΩ

9V

R1

R2

-IN +IN

Component

RINT

CINT

CREF

CAZ

2V

Full Scale

2MΩ

0.033mf

1mf

0.068mf

200mV

Full Scale

20kΩ

0.033mf

1mf

0.068mf

20mV

Full Scale

20kΩ

0.033mf

1mf

0.014mf

–

R1 + R2 = 250kΩ

Backplane

41 Segment LCD

Bar Graph

OR

DS21477B-page 2

© 2002 Microchip Technology Inc.

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