BU9799KV

Datasheet Standard LCD Segment Driver BU9799KV MAX 200 segments (SEG50×COM4) ●Features „ Integrated RAM for display data (DDRAM): 50 x 4 bit (Max 200 Segment) „ LCD drive output : 4 Common output, 50 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: 200 Segments ■ Display Duty: 1/4 ■ Bias: 1/2, 1/3 selectable ■ Interface: 2wire serial interface ●Package W (Typ.) x D (Typ.) x H (Max.) ●Applications „ Telephone „ FAX „ Portable equipment (POS, ECR, PDA etc.) „ DSC „ DVC „ Car audio „ Home electrical appliances „ Meter equipment, etc. VQFP64 12.00mm x 12.00mm x 1.60mm ●Typical Application Circuit VLCD VDD VDD VLCD Controller VDD SD SCL INHb OSCIN TEST1 TEST2 TEST3 VSS COM0 COM1 COM2 COM3 SEG0 SEG1 SEG49 ･･･････ ･････ Segment LCD Internal oscillator circuit mode Figure 1. Typical application circuit ○Product structure：Silicon monolithic integrated circuit www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ22111･14･001 ○This product is not designed for protection against radioactive rays. 1/24 TSZ02201-0A0A2D300040-1-2 8.Jan.2013 Rev.002 BU9799KV MAX 200 segments (SEG50×COM4) ●Block D...