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參數資料
| 型號： | LM151X2 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Liquid Crystal Display |
| 中文描述： | 液晶顯示器 |
| 文件頁數： | 5/25頁 |
| 文件大?。?/td> | 563K |
| 代理商： | LM151X2 |
Revision Ver 1.0 October 14, 1998 Page
5/25
LM151X2
Liquid Crystal Display
Product Specification
Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1 ABSOLUTE MAXIMUM RATINGS
Values
Parameter
symbol
Min.
Max.
Units
Notes
Power Input Voltage
Lamp Current
Operating Temperature
Storage Temperature
V
DD
I
BL
T
OP
T
ST
0
-
0
-20
+3.6
9.0
+50
+60
V
mArms
o
o
at 25o
2
1
Note: 1. The Relative Humidity must not exceed 95% non-condensing at temperatures of 40o or less.
At temperatures greater than 40o, the wet bulb temperature must not exceed 39o.
2. Current shall be measured at ground line.
3. Electrical Specifications
The LM151X2 requires two power inputs. One input is employed to power the LCD electronics and to
drive the voltages to drive the TFT array and liquid crystal. And the second input for the backlight CCFL,
is typically generated by an inverter. The inverter is an external unit to the LCD.
Table 2 ELECTRICAL CHARACTERISTICS:
Symbol
Min.
Values
Typ.
Parameter
Max.
Units
Notes
MODULE :
Power Supply Input Voltage
Power Supply Input Current
Power Supply Kick Off Current
Data Input High Voltage
Data Input Low Voltage
BACK LIGHT :
Back light Input voltage
Backlight Input Current
Lamp Kick-Off Voltage
Operating Frequency
Life time
Notes: 1. All values shall be measured at the user connection.
2. The input current shall be measured at V
DD
of 3.3V at 25 , refresh rate of 60Hz, and clock
frequency of 65MHz under 9 gray pattern.
3. The backlight input current shall be measured at the ground cable and does not include loss
of external inverter.
4. Voltages at both ends of the lamp.
5. Voltages at secondary side of transformer using the balancing capacitor, 22pF in inverter.
These voltages can be changed with customer’s own design of inverter.
6. The life time is defined as the time at which brightness of lamp is 50% compare to that of
initial value at the typical lamp current.
7. Power supply kick off current means power supply input current at the moment of LCM power
on. This current is higher than the current at the normal operating condition and it lasts for
50~100ms.
V
DD
I
DD
I
DDI
V
IH
V
IL
V
BL
I
BL
F
BL
3.15
-
-
0.7 V
DD
-0.5
685
3.0
-
-
1290
1660
30
25,000
3.3
500
-
-
-
585
8.
0
-
-
-
-
50
40,000
3.45
800
1,500
V
+ 0.5
0.3 V
DD
570
9.0
880
1145
-
-
80
-
V
mA
mA
V
V
V
mA
V
RMS
V
RMS
V
RMS
V
RMS
KHz
hours
1
1, 2
7
1
1
3
At 25 2
At 0 2
4
At 25 2
At 0 2
5
6
Alpha Point Ltd.
P.O. Box 41
00751 Helsinki, Finland
http://www.
alpha.fi
Tel.: +
358-9-34 64 34 1
Fax: +
358-9-34 64 34 2
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