BU97950FUV Datasheet, PDF (1/25 Pages) Rohm – Standard LCD Segment Drivers

Datasheet
Standard LCD Segment Drivers
BU97950FUV MAX 280 segments (SEG35×COM8)
●Features
 Integrated RAM for display data (DDRAM):
35 x 8bit (Max 280 Segment)
 LCD drive output:
8 Common output, 35 Segment output
 Integrated Buffer AMP for LCD driving
 Integrated Oscillator circuit
 No external components
 Low power consumption design
 Independent power supply for LCD driving
 Integrated Electrical volume register (EVR) function
●Key Specifications
■ Supply Voltage Range:
+2.5V to +5.5V
■ LCD drive power supply Range: +2.5V to +5.5V
■ Operating Temperature Range: -40°C to +85°C
■ Max Segments:
280 Segments
■ Display Duty:
1/8
■ Bias:
1/4
■ Interface:
2wire serial interface
●Packages
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
VLCD
Controller
VDD
VDD
VLCD
SD
SCL
COM0
COM7
SEG0
SEG1
Segment
LCD
VSS
SEG34
Figure 1. Typical Application Circuit
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥14ï½¥001
○This product is not designed for protection against radioactive rays.
1/21
TSZ02201-0A0A2D300090-1-2
08.Sep.2015 Rev.004