Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsPMICsPMIC - display driver LCD 7 segments A/D 3.5 numbers 800 µA PDIP 40

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 2002-2012 Microchip Technology Inc. DS21457D-page 3

TC7116/A/TC7117/A

Typical Application

V

REF

+

TC7116/A

9V

V

REF

33

34

24kΩ

1kΩ

31

29

36

39 38

40

0.47μF

0.1μF

V-

OSC1OSC3

OSC2

To Analog

Common (Pin 32)

3 Conversions Per Second

C

OSC

100kΩ

47kΩ

0.22μF

0.01μF

Analog

Input

+

–

C

REF

-C

REF

+

V

IN

+

V

IN

-

ANALOG

COMMON

V

INT

V

BUFF

C

AZ

20

21

35

Segment

Drive

2–19

22–25

POL

BP/GND

V+

Minus Sign

Backplane Drive

28

R

OSC

100pF

LCD Display (TC7116/7116A)

or Common Anode LED Display

(TC7117/7117A)

1MΩ

27

30

32

HLDR

Display

Hold

100mV

1

26

TC7117/A

+