BU9796AFS-E2 Datasheet, PDF (1/32 Pages) Rohm – Standard LCD Segment Driver

Datasheet
Standard LCD Segment Driver
BU9796Axxx Series MAX 80 segments (SEG20×COM4)
●Features
„ Integrated RAM for display data (DDRAM):
20 x 4 bit (Max 80 Segment)
„ LCD drive output :
4 Common output, Max 20 Segment output
„ Integrated Buffer AMP for LCD driving
„ Integrated Oscillator circuit
„ No external components
„ Low power consumption design
●Key Specifications
■ Supply Voltage Range:
■ Operating Temperature Range:
■ Max Segments:
BU9796AFS
+2.5V to +5.5V
-40°C to +85°C
80 Segments
BU9796AMUV
48 Segments
Display Duty:
1/4
■ Bias:
■ Interface:
1/2, 1/3 selectable
2wire serial interface
●Applications
„ Telephone
„ FAX
„ Portable equipment (POS, ECR, PDA etc.)
„ DSC
„ DVC
„ Car audio
„ Home electrical appliance
„ Meter equipment
etc.
●Package
W (Typ.) x D (Typ.) x H (Max.)
VQFN024V4040
4.00mm x 4.00mm x 1.00mm
SSOP-A32
13.60mm x 7.80mm x 2.01mm
●Typical Application Circuit
BU9796AFS
VDD
VDD
VLCD
Controller
SDA
SCL
OSCIN
TEST1
TEST2
VSS
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG19
Segment
LCD
Using internal oscillator
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 protection against radioactive rays.
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TSZ02201-0A2A0D300100-1-2
13.Jun.2014 Rev.003