Displays, And-tft-7lp-kit tft lcd color module – Purdy AND-TFT-7LP-KIT User Manual
Page 2
Displays
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • [email protected] •
www.purdyelectronics.com
05/09/11
2
AND-TFT-7LP-KIT
TFT LCD Color Module
Item
Symbol
Specifi cations
Unit
Remark
Min.
Typ.
Max.
Input Voltage
Vcc
+3.1
+3.3
+3.5
V
Total Current
Icc
–
210
–
mA
@ +3.3V
LED Driver Input Voltage
VLED
+4.8
+5
+5.5
V
LED Driver Current
ILED
–
420
–
mW
@ +15V
LED Driver Power Consumption
–
2.1
–
W
@ +5V
Digital Input Signal
TTL
Vcc-0.3
Vcc
Vcc +0.3
V
Dimmer Adjust
Dimmer
0 (Dark)
–
+3.3 (Bright)
V
Positve, Floating: 1/2 Vcc
Enable Backlight
Enable
0
–
+3.3
V
1: Enable, 0: Disable
Note: Please input Vcc if the function of the backlight unit needs to be worked normally. Please do not input VLED only.
Electrical Characteristics - Recommended Operating Conditions (Ta = 25ºC)
Optical Specifi cations
(Ta = 25 ºC)
Item
Symbol
Remarks
Min.
Specifi cations
Typ.
Max.
Units
Viewing Angle
Horizontal
Left
CR ≥ 10
60
70
–
deg
Right
60
70
–
Vertical
Top
40
50
–
Bottom
60
70
–
Contrast Ratio
Luminance when LCD is white
Luminance when LCD i black
CR
At Optimized
Viewing Angle
400
500
–
–
Response Time
Rise
Tr
θ
= 0º
—
10
20
ms
Fall
Tf
θ
= 0º
—
15
30
ms
Brightness
LUM
200
250
–
cd/m
2
Uniformity (%)
U
70
75
–
%
White
Chhromaticity
x
θ
= 0º
0.26
0.31
0.36
–
y
θ
= 0º
0.28
0.33
0.38
–
LED Life Time
25º
20,000
—
—
Hr