BU97950AFUV
低Duty LCD段码驱动器
BU97950AFUV
低Duty LCD段码驱动器
BU97950AFUV是1/4、1/8占空比的通用LCD驱动器，最多可显示280段的LCD，适用于民生设备和电池驱动设备的LCD显示。内置显示用RAM，可减轻微控制器负荷，还无需外置部件，实现了低功耗。内置有EVR功能，可进行LCD对比度的调节。
主要规格
特性：
Grade
Consumer
Segment Element
280
Duty
1/8, 1/4
Bias
1/4, 1/3
Elements of MUX 1:4
156
Elements of MUX 1:8
280
Interface [line serial]
2wire
Interface Voltage (Min.)[V]
2.5
Interface Voltage (Max.)[V]
6
Power Supply for LCD (Min.) [V]
2.5
Power Supply for LCD (Max.) [V]
6
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
12.5x8.1 (t=1)
特点：
- 1/8, 1/4duty setting selectable
1/8duty: Max 280 segments, 1/4duty: Max 156 segments - Integrated display data RAM: 35 x 8bit
- 1/4 bias setting or 1/3 bias setting
- Support wide range of operation voltage from 2.5V to 6.0V, which can support TN LCD and VA LCD display.
- Integrated LCD voltage driving circuit
- Integrated oscillation circuit for LCD frame frequency
- Line or Frame inversion driving selectable
- Support 2 wire serial interface
- Integrated EVR function to adjust LCD contrast
- Integrated power on reset circuit
- No external components required
- Low power consumption design
