ROHM BU9795AKV-E2 芯片, 液晶屏段位驱动器, 140 段, VQFP-48 新
● Outline
This is LCD segment driver for 126 to 140 segment type display. There is a lineup which is suitable for
multi function display and is integrated display RAM and power supply circuit for LCD driving with 4
common output type: BU9728AKV and BU9795AKV/FV/GUW.
BU9728AKV 128Segment SEG32×COM4 Driver
● Feature BU9728AKV
1 4wire serial interface SCK, SD, C/D, CS
2 Integrated RAM for display data DDRAM : 32 × 4bit Max 128 Segment
3 LCD driving port: 4 Common output, 32 Segment output
4 Display duty: 1/4 duty
5 Integrated Oscillator circuit external resister type
6 Integrated Power supply circuit for LCD driving 1/3 bias
7 Low voltage / low power consumption design: +2.5~5.5V
● Uses BU9728AKV
DVC, Car audio, Telephone