TC7106 데이터 시트보기 (PDF) - TelCom Semiconductor, Inc

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TC7106

3-1/2 DIGIT A/D CONVERTERS

TelCom Semiconductor, Inc 

TC7106A

C

+

REF

CREF

VR+EF

VR–EF

34 36

35

RINT

C

–

REF

VBUFF

V+

33

28 1

10

A/Z

µA

–

A/Z

+

V

+

IN

31

INT

DE DE

(–) (+)

A/Z

ANALOG 32

COMMON

V

–

IN

30

INT

DE (+) DE (–)

AZ & DE (±)

–

+

V+– 3.0V

26

V–

LOW

TEMPCO

VREF

TYPICAL SEGMENT OUTPUT

V+

0.5mA

2mA

SEGMENT

OUTPUT

LCD DISPLAY

INTERNAL DIGITAL GROUND

CAZ

CINT

VINT

29

27

INTEGRATOR

–

+

+

–

A/Z

TO

DIGITAL

SECTION

COMPARATOR

THOUSANDS

BACKPLANE

21

LCD SEGMENT DRIVERS

7 SEGMENT

DECODE

7 SEGMENT

DECODE

7 SEGMENT

DECODE

÷ 200

DATA LATCH

HUNDREDS

TENS

UNITS

40

OSC 1

TO SWITCH DRIVERS

FROM COMPARATOR OUTPUT

CLOCK

fOSC

÷4

CONTROL LOGIC

39

OSC2

ROSC

INTERNAL DIGITAL GOUND

VTH

= 1V

38

OSC 3

COSC

1 V+

6.2V

37

TEST

500Ω

26 V–

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