BU9728AKV

更新时间： 2024-11-15 22:05:35

品牌	Logo	应用领域
罗姆 - ROHM		驱动器
页数	文件大小	规格书
10页	105K
描述
LCD driver for segment-type LCDs

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中文翻译

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数据手册

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BU9728AKV 数据手册

Standard ICs

LCD driver for segment-type LCDs

BU9728AKV

The BU9728AKV is a segment-type LCD system driver which can accommodate microcomputer control and a serial

interface. An internal 4-bit common output and LCD drive power supply circuit enable configuration of a display sys-

tem at low cost.

Applications

•

Movie projectors, car audio systems, telephones

Features

•

1) Serial interface. (8-bit length)

4) Display duty: 1 / 4

2) Display RAM: Internal, 128 bits. (up to 128 seg-

ments can be displayed)

5) Can be driven with low voltage and low current dissi-

pation.

3) Internal power supply circuit for LCD drive.

Absolute maximum ratings (Ta = 25°C, VSS = 0V)

•

Parameter

Power supply voltage 1

Power supply voltage 2

Power dissipation

Symbol

V_DD

Limits

Unit

– 0.3 ~ + 7.0

– 0.3 ~ + VDD

400

V_LCD

°C

Operating temperature

Storage temperature

Topr

Tstg

– 20 ~ + 75

– 55 ~ + 125

Reduced by 4.0mW for each increase in Ta of 1°C over 25°C .

Recommended operating conditions (Ta = 25°C, VSS = 0V)

•

Symbol

V^DD

Min.

2.5

Typ.

—

Max.

5.5

Unit

Parameter

Conditions

—

Power supply voltage 1

The following relationship should

Power supply voltage 2

(V^DD- V3)

V^LCD

f^OSC

—

VDD

be maintained: V^DDм V

м V

м V м VSS.

—

kHz

Rf = 470kΩ

Oscillation frequency

12 3 4 5 6 7...10

中文翻译

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