BU9795AKS2 Datasheet, PDF (1/40 Pages) Rohm – Standard LCD Segment Drivers

BU9795AKS2
Datasheet
Standard LCD Segment Drivers
BU9795Axxx Series MAX 140 segments (SEG35×COM4)
●Features
„ Integrated RAM for display data (DDRAM) :
35 × 4bit (Max 140 Segment)
„ LCD drive output :
4 Common output, Max 35Segment output
„ Integrated Buffer AMP for LCD driving
„ Integrated Oscillator circuit
„ No external components
„ Low power consumption design
●Applications
„ Telephone
„ FAX
„ Portable equipment (POS, ECR, PDA etc.)
„ DSC
„ DVC
„ Car audio
„ Home electrical appliance
„ Meter equipment
etc.
●Key Specifications
■ Supply Voltage Range:
■ Operating Temperature Range:
■ Max Segments:
BU9795AKV
+2.5V to +5.5V
-40°C to +85°C
140 Segments
BU9795AFV
108 Segments
BU9795AGUW
124 Segments
BU9795AKS2
140 Segments
■ Display Duty:
■ Bias:
■ Interface:
1/4
1/2, 1/3 selectable
3wire serial interface
●Packages
W (Typ.) x D (Typ.) x H (Max.)
VQFP48C
9.00mm x 9.00mm x 1.60mm
VBGA048W040
4.00mm x 4.00mm x 0.90mm
SSOP-B40
SQFP-T52M
13.60mm x 7.80mm x 2.00mm 12.00mm x 12.00mm x 1.40mm
●Typical Application Circuit
VDD
Controller
VDD
VLCD
INHb
CSB
SD
SCL
OSCIN
TEST
VSS
COM0
COM1
COM2
COM3
SEG0
SE_・G1
・
・
・
SEG34
Using Internal oscillator
Segment
LCD
・
・
・
Figure 1. Typical application circuit
○Product structure：Silicon monolithic integrated circuit
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥14ï½¥001
○This product is not designed protection against radioactive rays.
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TSZ02201-0A0A2D300020-1-2
12.July.2012 Rev.002