Datasheet > BU9797FUV-M

BU9797FUV-M

更新时间： 2023-09-03 20:25:07

品牌	Logo	应用领域
罗姆 - ROHM		驱动控制器微控制器驱动器
页数	文件大小	规格书
28页	867K
描述
BU9797FUV-M是1/4占空比车载用通用LCD驱动器，最多可显示144段LCD。本产品支持高液晶电压驱动及高帧频率驱动，也可驱动高显示精度的VA液晶。内置显示用RAM，可减轻微控制器负荷，还无需外置部件，实现了低功耗。

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BU9797FUV-M 数据手册

Datasheet

Standard LCD Segment Driver

BU9797FUV-M MAX 144 Segments (SEG36×COM4)

Features

Key Specifications

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

■

Supply Voltage Range:

Operating Temperature Range:

+2.5V to +5.5V

-40°C to +85°C

144Segments

Max Segments:

Display Duty:

Bias:

1/4

1/2, 1/3 selectable

2wire serial interface

Interface:

No External Components

Low Power Consumption Design

Package

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

Applications

Telephone

FAX

Portable equipment (POS, ECR, PDA etc.)

DSC

DVC

Car audio

Home electrical appliance

Meter equipment

Etc.

TSSOP-C48V

8.1mm x 12.5mm x 1.0mm

Typical Application Circuit

VDD

BU9797FUV

VDD

VLCD

COM0

COM1

COM2

COM3

SDA

SCL

Segment

LCD

Controller

SEG0

SEG1

・

OSCIN

TEST1

・

VSS

SEG35

Using internal oscillator

Figure 1. Typical application circuit

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

www.rohm.com

TSZ02201-0P4P0D300430-1-2

5.Aug.2014 Rev.002

1/25

TSZ22111･14･001

12 3 4 5 6 7...28

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