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BU97941FV-E2 Datasheet(PDF) 1 Page - Rohm |
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BU97941FV-E2 Datasheet(HTML) 1 Page - Rohm |
1 / 25 page BU97941FV ○ Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays. 1/22 TSZ02201-0A0A2D300080-1-2 1.Jun.2012 Rev.001 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 Datasheet Multifunction LCD Segment Driver BU97941FV MAX 104 segments (SEG26×COM4) ●Features Integrated RAM for display data (DDRAM): 26 x 4 bit (Max 104 Segments) LCD drive output: 4 Common output, 26 Segment output Integrated 4ch LED driver circuit Support standby mode Integrated Power-on-Reset circuit (POR) Integrated Oscillator circuit No external component Low power consumption design Independent power supply for LCD driving ●Applications Telephone FAX Portable equipment (POS, ECR, PDA etc.) DSC DVC Car audio Home electrical appliance Meter equipment etc. ●Key Specifications ■ Supply Voltage Range: +1.8V to +3.6V ■ LCD drive power supply Range: +2.7V to +5.5V ■ Operating Temperature Range: -40°C to +85°C ■ Max Segments: 104 Segments ■ Display Duty: Static, 1/3, 1/4 selectable ■ Bias: Static, 1/3 ■ Interface: 3wire serial interface ●Package W (Typ.) x D (Typ.) x H (Max.) ●Typical Application Circuit Figure 1. Typical application circuit SSOP-B40 13.60mm x 7.80mm x 2.00mm Signal input from controller *About resistor value Determine the optimal value based on the applied current With 25mA as max per 1 port 5.0V 3.3V VLCD VDD CSB SD SCL VSS BU979 41FV LCD COM0 to COM3 SEG0 to SEG25 LED1 VLED=5.0V LED2 LED3 LED4 |
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