BU9795AFV-LB Datasheet, PDF (1/29 Pages) Rohm – Standard LCD Segment Drivers

Datasheet
MAX 108 segments (SEG27×COM4)
Standard LCD Segment Drivers
BU9795AFV-LB
This is the product guarantees long time support in
Industrial market.
Features
„ Long Time Support Product for Industrial
Applications.
„ Integrated RAM for Display Data (DDRAM) :
35 × 4bit
„ LCD Drive Output :
4 Common Output, 27Segment Output
„ Integrated Buffer AMP for LCD driving
„ Integrated Oscillator Circuit
„ No External Components
„ Low Power Consumption Design
Applications
„ Industrial Equipment
„ Telephone
„ FAX
„ Portable Equipment (POS, ECR, PDA etc.)
„ DSC
„ DVC
„ Car Audio
„ Home Electrical appliance
„ Meter Equipment
Etc.
Key Specifications
■ Supply Voltage Range:
+2.5V to +5.5V
■ Operating Temperature Range: -40°C to +85°C
■ Max Segments:BU9795AFV-LB 108 Segments
■ Display Duty:
1/4
■ Bias:
1/2, 1/3 Selectable
■ Interface:
3wire Serial Interface
Package
W (Typ.) x D (Typ.) x H (Max.)
SSOP-B40
13.60mm x 7.80mm x 2.00mm
Typical Application Circuit
VDD
Controller
VDD
VLCD
INHb
CSB
SD
SCL
OSCIN
TEST
VSS
COM0
COM1
COM2
COM3
SEG4
SE_・G5
・
・
・
・
・
・
SEG30
Internal Oscillator Circuit Mode
Figure 1. Typical application circuit
Segment
LCD
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥14ï½¥001
○This product has no designed protection against radioactive rays.
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TSZ02201-0P4P0D300510-1-2
26.Feb.2014 Rev.002