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参数资料
| 型号： | G3245H |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 3.8 QVGA LCD Graphic Module without DC / DC converter |
| 中文描述： | 3.8的QVGA LCD图形模块没有直流/直流转换器 |
| 文件页数： | 4/12页 |
| 文件大小： | 480K |
| 代理商： | G3245H |
Page 4
01.01 Version 2.1
4-2 Environmental absolute maximum ratings
Item
Specification
Remarks
Max. +70
°
C
Note 1
Min. -20
°
C
No condensation
Max. +50
°
C
Note1
Min. -10
°
C
No condensation
Storage temperature
Operating temperature
(Note ) 95% RH Max.
5. Electrical specifications
5-1 Electrical characteristics
5-2 Contrast adjustment
The contrast of LCD differs depending on the charges in visual angle, ambient temperature and supply
voltage. So, make adjustment by operating control knob where necessary.
Ta
VAA - GND V (TBD )
50 deg -------------------- 11.9 V
VD1 -VS12 = 3.3 V
(GND = 0V, 25
°
C)
3.8" QVGA LCD Graphic Module
G3245H
Preliminary
Item
Symbol
VD1-VS12
VCC-VSS
Condition
Min.
3.1
Typ
3.3
Max
3.5
Unit
V
V
V
V
V
V
Remark
0.95 (VD1-VS12)
VD1-VS12
1.05 (VD1-VS12
)
2.97
3.0
-
(VD2-Vs12)/2
8.0
-
0.9VD3
-
Supply Voltage VD2-VS12
3.03
-
30.0
VD3
Note.1
VM-VS12
VDD-VSS
VSH
Input
signal
voltage L
Frame Freq.
H
VSL
1 FRAME
0
-
-
70
0.1VD3
-
V
Hz
Note.2
Ta=25
°
C
ID3
VD3-GND=3.3V
VAA-GND=15.8V
VD1-VS12=3.0V
VM-VS12=1.5V
IAA
f
FRAME=70Hz
Duty=1/241
DF=13 Lines
Current
Consumption
-
(0.7)
(3.00)
mA
Note.3
(0.15)
(0.30)
mA
Note.1 : VD3 =VD1
≥
VD2
≥
VM
≥
VS12 = GND , VDD
≥
VD2 , VS12
≥
VSS
Note.2 : DISP, FRAME, DF, LOAD, CP, D3~0
Note.3 : Display pattern of current consumption as follows.
ID3.. Typ. value : Full screen 40 rows x 24 lines of charactor a.
Max value : Hatching of 8 dots horizontally X 1 dot vertically.
IAA.. Typ. value : Full screen 40 rows X 24 lines of charactor a.
Max value : ALL ON ( ALL BLACK)
Driving condition
fFRAME = 70 Hz
40 deg -------------------- 13.8 V
VD2 -VS12 = 3.0 V
1/241 Duty
25 deg -------------------- 15.8 V
VM - VS12 = 1.5 V
DF = 13 lines
θ=0°
,
= 0
°
0 deg -------------------- 18.2 V
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