Low Duty LCD Segment Drivers - BU9795AFV | ROHM Semiconductor - ROHM Co., Ltd.
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Low Duty LCD Segment Drivers - BU9795AFV
BU9795AFV is a 1/4 duty general-purpose LCD driver that can be used for consumer / battery operated products and can drive up to 108 LCD Segments.It has integrated display RAM for reducing CPU load. Also, it is designed with low power consumption and no external component needed.
* This product is a STANDARD grade product and not recommend for on-vehicle devices.
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Specifications:
Grade
Consumer
Segment Element
108
Duty
1/4
Bias
1/3, 1/2
Elements of MUX 1:4
108
Interface [line serial]
3wire
Interface Voltage (Min.)[V]
2.5
Interface Voltage (Max.)[V]
5.5
Power Supply for LCD (Min.)[V]
2.5
Power Supply for LCD (Max.)[V]
5.5
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Features:
- 1/4duty driving: Max 108 segments
- Integrated display data RAM: 35 x 4bit
- 1/3 or 1/2 bias setting selectable
- Support wide range of operation voltage from 2.5V to 5.5V
- Integrated LCD voltage driving circuit
- Integrated oscillation circuit for LCD frame frequency
- Line or Frame inversion driving selectable
- Support 3 wire serial interface
- Integrated power on reset circuit
- No external components required
- Low power consumption design