Datasheet > BU9795AFV-LBE2

BU9795AFV-LBE2

更新时间： 2024-02-05 03:01:16

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罗姆 - ROHM		/
页数	文件大小	规格书
29页	862K
描述
Standard LCD Segment Drivers

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BU9795AFV-LBE2 数据手册

Daattaasshheeeett

BU9795AFV-LB

MAX 108 segments (SEG27×COM4)

Absolute Maximum Ratings (VSS=0V)

Parameter

Symbol

Ratings

Unit

Remark

Power Supply Voltage1

VDD

VLCD

-0.5 to +7.0

Power supply

Power Supply Voltage2

Power Dissipation

-0.5 to VDD

0.7

LCD drive voltage

When use more than Ta=25°C, subtract 7mW

per degree (BU9795AFV-LB) (Package only)

Input Voltage Range

VIN

-0.5 to VDD+0.5

-40 to +85

-55 to +125

Operational Temperature

Range

Topr

Tstg

°C

Storage Temperature Range

Caution:Operating the IC over the absolute maximum ratings may damage the IC.The damage can either be a short circui between pins or an open circuit

between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated

over the absolute maximum ratings.

Recommended Operating Conditions (Ta=-40°C to +85°C, VSS=0V)

Ratings

Symbol

Unit

Remark

Parameter

Min

2.5

Typ

Max

5.5

Power Supply Voltage1

VDD

Power supply

LCD drive voltage

VDD

-2.4

Power Supply Voltage2

VLCD

(Note) Please use VDD-VLCD≥2.4V condition.

Electrical Characteristics

DC Characteristics (VDD=2.5V to 5.5V, VSS=0V, Ta=-40°C to +85°C, unless otherwise specified)

Limits

Parameter

Symbol

Unit

Conditions

Min

Typ

Max

“H” Level Input Voltage

“L” Level Input Voltage

“H” Level Input Current

“L” Level Input Current

VIH

VIL

IIH

IIL

0.7VDD

VDD

VSS

0.3VDD

µA

-1

SEG

RON

3.5

kΩ Iload=±10µA

kΩ

LCD Driver

on Resistance

COM

VLCD Supply Voltage

Standby Current

VLCD

Ist

VDD -2.4

VDD-VLCD≥2.4V

µA Display off, Oscillator off

VDD=3.3V, Ta=25°C,

µA Power save mode1, FR=70Hz

1/3 bias, Frame inverse

VDD=3.3V, Ta=25°C,

µA Normal mode, FR=80Hz

Power Consumption1

Power Consumption2

IDD1

IDD2

12.5

1/3 bias, Line inverse

www.rohm.com

TSZ02201-0P4P0D300510-1-2

26.Feb.2014 Rev.002

3/26

TSZ22111･15･001

1 234 5 6 7...29

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