Datasheet > BU9797AFUV

BU9797AFUV

更新时间： 2024-03-03 10:09:41

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
30页	2844K
描述
BU9797FUV is a 1/4 duty general-purpose LCD driver that can be used for consumer / battery operated products and can drive up to 144 LCD Segments. It has integrated display RAM for reducing CPU load. Also, it is designed with low power consumption and no external component needed.

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BU9797AFUV 数据手册

Datasheet

Low Duty LCD Segment Driver

BU9797AFUV

MAX 144 Segments (SEG36×COM4)

General Description

Key Specifications

Supply Voltage Range:

Operating Temperature Range:

BU9797AFUV is a 1/4 duty general-purpose LCD driver

that can be used for consumer / battery operated

products and can drive up to 144 LCD Segments.

It has integrated display RAM for reducing CPU load.

Also, it is designed with low power consumption and no

external component needed.

■

+2.5V to +5.5V

■

-40°C to +85°C

144Segments

1/4

Max Segments:

Display Duty:

Bias:

1/3

Interface:

2wire Serial Interface

Features

Package

W (Typ.) x D (Typ.) x H (Max.)



Integrated RAM for Display Data (DDRAM):

36 x 4 bit (Max 144 Segment)

LCD Drive Output:



4 Common Output, Max 36 Segment Output

Integrated Buffer AMP for LCD Driving

Integrated Oscillator Circuit

No External Components

Low Power Consumption Design



Applications



Metering



Home Automation Goods

White Goods, Small Appliances

Healthcare Products

TSSOP-C48V

8.10mm x 12.5mm x 1.00mm



Battery Operated Products

etc.

Typical Application Circuit

VDD

C > 0.1uF

VDD

VLCD

COM0

COM1

COM2

COM3

SDA

SCL

Controller

Segment

LCD

SEG0

SEG1

・

OSCIN

TEST1

・

Insert Capacitors

between VDD and VSS

VSS

SEG35

Internal Clock Mode

Figure 1. Typical Application Circuit

○Product structure：Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays.

www.rohm.com

TSZ02201-0P4P0D3P01620-1-2

27.Sep.2016 Rev.001

1/27

TSZ22111･14･001

12 3 4 5 6 7...30

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