TC818A 查看數據表（PDF） - Microchip Technology

零件编号

产品描述 (功能)

生产厂家

TC818A

Auto-Ranging Analog-to-Digital Converter with 3-1/2 Digit Display

Microchip Technology 

TC818A

FIGURE 3-12:

TRIPLEX LCD DRIVE WAVEFORMS

Backplanes

123456

VP (3V)

BP1

VP

VH

VL

BP2 0

VP

VH

VL

BP3 0

Waveforms to Generate

a

BP1

b

f

g

e

c

d

BP2

BP3

FE

AGD

BCP

TC818A

Segments

VP

VH

a (FE – BP1)

0

"ON"

-VL

-VH

-VP

VP

VH

VL

b (BCP – BP1)

"ON"

0

-VL

-VH

-VP

VP

VH

VL

c (BCP – BP2)

"ON"

0

-VL

-VH

-VP

VP

VH

VL

d (AGD – BP3)

0

"ON"

-VL

-VP

VP

VH

VL

e (FE – BP2)

0

"OFF"

-VL

-VP

VP

VH

VL

f (FE – BP1)

"OFF"

-VL

-VP

VP

VH

VL

g (AGD – BP2)

"ON"

0

-VL

-VH

-VP

Segments

123456

Applied

RMS Voltage

VRMS = 11 VP

33

VRMS = 11 VP

33

VRMS = 11 VP

33

VRMS = 11 VP

33

VRMS = VP

3

VRMS = VP

3

VRMS = 11 VP

33

DS21475B-page 16

© 2002 Microchip Technology Inc.

Share Link: