參數(shù)資料
型號： HT12X21
廠商： Electronic Theatre Controls, Inc.
英文描述： TFT-LCD PRODUCT
中文描述： TFT - LCD的產品
文件頁數(shù)： 6/22頁
文件大?。?/td> 352K
代理商： HT12X21
PRODUCT GROUP
REV.
ISSUE DATE
TFT-LCD PRODUCT
A
2003.07.22
PAGE
SPEC. NUMBER
S864-1148
SPEC. TITLE
HT12X21-100 Product Specification
6
OF 22
B3-002-O (3/3)
A4 (210 X 297)
3.0 ELECTRICAL SPECIFICATIONS
[Ta = 25±2 ]
Parameter
Min
Typ
Max
Unit
Remark
Power Supply Voltage
V
DD
I
DD
V
RF
3.0
3.3
3.6
V
Power Supply Current
-
240
mA
Note1
Permissible Input Ripple Voltage
-
-
100
mV
V
DD
= 3.3V
High Level Differential Input
Threshold Voltage
V
IH
-
-
+100
mV
Low Level Differential Input
Threshold Voltage
V
IL
-100
-
-
mV
Vcm
= 1.2V typ.
Back-light Lamp Voltage
V
BL
I
BL
F
L
-
600
-
V
rms
mA
rm
KHz
Back-light Lamp Current
2.0
5.0
6.0
Back-light Lamp Frequency
30
60
80
Note 2
950
V
rms
25 , Note 3
Lamp Start Voltage
1150
V
rms
0 , Note 3
Lamp Life
10,000
hrs
I
BL
= 2.0~6.0mA
P
D
0.7
W
P
BL
3.0
W
I
BL
= 5.0mA,
Note 4
Power Consumption
P
total
3.7
W
Notes:
1. The supply voltage is measured and specified at the interface connector of LCM.
The current draw and power consumption specified is for VDD = 3.3V, Frame rate = 60
Hz and Clock frequency = 65MHz.
Test Pattern of power supply current
a) Typ : Vertical color bar pattern
b) Max : Gray 28 @ Vertical 2 Skip line pattern
2. The lamp frequency should be selected as different as possible from the horizontal
synchronous frequency and its harmonics to avoid interference, which may cause line
flow on the display
3.
The voltage above this value should be applied to the lamps for more than 1 second to
startup. Otherwise the lamps may not to be turned on.
4.
Calculated value for reference (V
BL
× I
BL
) excluding inverter loss.
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