BU97981GU
Low Duty LCD Segment Drivers
Not Recommended for New Designs
BU97981GU
Low Duty LCD Segment Drivers
This product cannot be used for new designs (Not recommended for design diversion).
Product Detail
Specifications:
Grade
Consumer
Segment Element
196
Duty
1/4, 1/3, Static
Bias
1/3
Elements of MUX 1:1
49
Elements of MUX 1:3
147
Elements of MUX 1:4
196
Interface [line serial]
3wire
Interface Voltage (Min.)[V]
1.8
Interface Voltage (Max.)[V]
3.6
Power Supply for LCD (Min.) [V]
3.3
Power Supply for LCD (Max.) [V]
5.5
Max GPO [port]
31
LED Driver [port]
3
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-30
Operating Temperature (Max.)[°C]
75
Package Size [mm]
5.0x5.0 (t=1.2)
Features:
- 1/4, 1/3duty or Static setting selectable
1/4duty driving: Max 196 segments
1/3duty driving: Max 147 segments
Static driving: Max 49 segments - 1/3 bias setting
- Power supply for Interface: 1.8V to 3.6V
- Power supply for LCD: 3.3V to 5.5V
- Integrated LCD voltage driving circuit
- Integrated oscillation circuit for LCD frame frequency
- Line or Frame inversion driving selectable
- Integrated 31ch general purpose outputs (SEG selectable)
- Integrated 3ch LED driver able to support 4096 step PWM illumination
- Support individual blink function with dedicated blink RAM integrated
- Support 3 wire serial interface
- Support INHb terminal to control Display ON/OFF
- Integrated voltage detected type power on reset circuit
- No external components required
- Low power consumption design
- Small BGA package
