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PDF LP121XQ Data sheet ( Hoja de datos )
| Número de pieza | LP121XQ | |
| Descripción | LCD | |
| Fabricantes | LG | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LP121XQ (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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LG Electronics Inc.
Product Specification
LP121XQ
Liquid Crystal Display
SPECIFICATION
For
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title
12.1” XGA TFT LCD
BUYER NAME
MODEL NAME
SUPPLIER
MODEL NAME
LG Electronics Inc
LP121XQ
SIGNATURE
/
DATE
/
/
Please return 1 copy for our confirmation
with your signature and comments.
APPROVED BY
DATE
/G.Manager
REVIEWED BY
/S.Engineer
PREPARED BY
H.M.KANG /S.Engineer
Product Engineering Dept.
LCD Division LG Electronics Inc.
Revision Ver 1.1 03/December/96
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Page1/21
1 page  
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LG Electronics Inc.
Product Specification
LP121XQ
Liquid Crystal Display
The followings are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1 ABSOLUTE MAXIMUM RATINGS
Parameter
symbol
Values
Units
Min.
Max.
Power Supply Voltage
Logic Input Voltage
Operating Temperature
Storage Temperature
VDD
Vi
TOP
TST
-0.3 +4.0
-0.3 VDD+0.3
5 +50
-20 +60
Vdc
Vdc
•
•
Note: 1. The Relative Humidity must not exceed 95% non-condensing at temperatures of 40• or less.
At temperatures greater than 40•, the wet bulb temperature must not exceed 39•.
Notes
at 25•
at 25•
1
1
3. Electrical Specifications
The LP121XQ requires two power inputs. One is employed to power the LCD electronics and to derive the
voltages to drive the TFT array and liquid crystal. The second input which powers the backlight CCFT, is
typically generated by an inverter. The inverter is an external unit to the LCD.
Parameter
MODULE:
Power Supply Voltage
Power Supply Current
Ripple/Noise
Logic Input Level, High
Logic Input Level, Low
Table 2 ELECTRICAL CHARACTERISTICS:
Symbol
Values
Min. Typ. Max.
VDD 3.15 3.3 3.45
IDD - 650 850
- - - 100
VIH 0.7VDD -
VDD
VIL VSS - 0.3VDD
BACKLIGHT
Backlight Input voltage
VBL 635 705 730
Backlight Current
IBL
2.0 3.0
4.0
Lamp Kick-Off Voltage
935 -
-
1280
-
Operating Frequency
FBL
50
Notes: 1. The current draw and power consumption specified is for 3.3 Vdc at 25•
and fv at 60Hz and dot frequency at 65MHZ.
2. Logic levels are specified for VDD of 3.3Vdc at 25•. The values specified
apply to all logic inputs; Hsync, Vsync, Clock, data enable, data signals,etc.
3. The backlight current consumption shown above does not include loss of
external inverter.
Units
Vdc
mA
mV
Vdc
Vdc
VRMS
mA
VRMS
VRMS
KHz
Notes
1
2
2
2
25•
5•
3
Revision Ver 1.1 03/December/96
DataSheet4 U .com
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LG Electronics Inc.
Product Specification
9. Power Sequence
Power Supply for
logic(VDD)
Input Signal
(Vi)
* VDD-turn-on conditions
0 < t1 • tbd
0 < t2 • tbd
0 < t3 • tbd
2.7V
0V 0.5V
t1
t2
0V
Data Valid
LP121XQ
Liquid Crystal Display
t3
* Set 0 Volt < Vi(t) < VDD(t)
Here Vi(t), VDD(t) indicate the transitive state of Vi, VDD when power supply is turned
ON or OFF
Notes: 1. Please avoid floating state of interface signal at invalid period.
2. When the interface signal is invalid, be sure to pull down the power supply for
LCD VDD to 0V.
Revision Ver 1.1 03/December/96
DataSheet4 U .com
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| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet LP121XQ.PDF ] | |
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