And-tft-64pa – Purdy AND-TFT-64PA User Manual
Page 2
AND-TFT-64PA
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
2
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
1/28/08
Electrical Specification
Recommended Operating Conditions
Item
Symbol
Conditions
Specifications
Units
Min.
Typ.
Max.
Current Consumption for Driver
I
GH
V
GH
= +17V
–
0.07
0.08
mA
I
GL
V
GL
= -15V
–
9.81
10.31
mA
I
CC
V
CC
= +5V
–
6.67
7.65
mA
I
DD
V
DD
= +5V
–
22.22
24.64
mA
Lamp voltage
V
L
I
L
= 6mA
450
560
730
Vrms
Lamp current
I
L
–
4
6
8
mA
Lamp frequency
F
L
The waveform of lamp driving voltage should be
as close to a perfect SIN wave as possible
40
60
80
KHz
Kick-off voltage (25ºC)
V
S
–
–
730
840
Vrms
Power
Consumption
for LCD Panel
–
–
–
292.79
–
mW
for Backlight Lamp*
–
calculated by I
L
_V
L
–
3.36
–
W
TOTAL
–
–
–
3.65
–
W
* The power consumption for backlight is not included
Item
Symbol
Conditions
Specifications
Unit
Min.
Typ.
Max.
Power Supply
V
CC
–
+4.5
+5.0
+5.5
V
V
DD
–
+4.5
+5.0
+5.5
V
V
GH
–
+15.0
+17.0
+19.0
V
V
GL
DC Component of V
GL
-16.0
-15.0
-14.0
V
Video Signal
(V
R
, V
G
, V
B
)
V
i AC
AC Component
–
+4.0
+4.2
V
P-P
V
i DC
DC Component
–
+2.5
–
V
Digital Input
Voltage
H Level
V
IH
+0.7 V
DD
–
V
DD
V
L Level
V
IL
-0.3
–
+0.3 V
DD
V
Digital Output
Voltage
H Level
V
OH
+0.7 V
DD
–
V
DD
V
L Level
V
OL
-0.3
–
+0.3 V
DD
V
Backlight Driving and Power Consumption
Pin No.
Symbol
Description
1
VL1
Input terminal (Hi voltage side)
3*
VL2
Input terminal (Low voltage side)
* Low voltage side of backlight inverter connects iwth Ground of inverter circuits.