EPL09060H Ver la hoja de datos (PDF) - ELAN Microelectronics
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EPL09060H Datasheet PDF : 54 Pages
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EPL09060
9 COM/60 SEG LCD Driver
6 Pin Description
Power Supply
Name
I/O
VDD
Power
VSS
Power
V0
V1
V2
Power
V3
V4
Description
VDD Power Supply
0V (GND)
LCD driver supply voltages. The voltage applied is determined by the LCD
pixel and is changed through changing the impedance using an operational
amplifier (OPA) for various applications. Voltage levels are determined
based on V0, and must maintain the relative magnitudes shown below:
V0≧V1≧V2≧V3≧V4≧VSS
When the internal power circuit is active, these voltages are generated
according to the state of LCD bias, The selection of voltages is determined
by the “LCD bias select” instruction, as shown in the table below.
LCD Bias
1/8 Bias
1/7.5 Bias
1/7 Bias
1/6.5 Bias
1/6 Bias
1/5.5 Bias
1/5 Bias
1/4.5 Bias
1/4 Bias
1/3.5 Bias
1/3 Bias
V1
7/8 × V0
6.5/7.5 × V0
6/7 × V0
5.5/6.5 × V0
5/6 × V0
4.5/5.5 × V0
4/5 × V0
3.5/4.5 × V0
3/4 × V0
2.5/3.5 × V0
2/3 × V0
V2
6/8 × V0
5.5/7.5 × V0
5/7 × V0
4.5/6.5 × V0
4/6 × V0
3.5/5.5 × V0
3/5 × V0
2.5/4.5 × V0
2/4 × V0
1.5/3.5 × V0
1/3 × V0
V3
2/8 × V0
2/7.5 × V0
2/7 × V0
2/6.5 × V0
2/6 × V0
2/5.5 × V0
2/5 × V0
2/4.5 × V0
2/4 × V0
2/3.5 × V0
2/3 × V0
V4
1/8 × V0
1/7.5 × V0
1/7 × V0
1/6.5 × V0
1/6 × V0
1/5.5 × V0
1/5 × V0
1/4.5 × V0
1/4 × V0
1/3.5 × V0
1/3 × V0
LCD Driver Supply
Name
I/O
C1+
O
C1-
C2+
O
VOUT
I/O
VR
I
Description
Boosted capacitor connecting terminals used for voltage booster.
Boosted capacitor connecting terminals used for voltage booster.
Voltage converter output
V0 voltage adjustment pin
Product Specification (V1.0) 12.28.2005
9
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