Purdy AND-TFT-35VX-KIT - Manual (Page 3)

AND-TFT-35VX-KIT
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
3/22/08 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com 3
Optical Specifications (Ta=25ºC)
Item Symbol Conditions
Specifications
Unit
Min. Typ. Max.
Viewing Angle
Horizontal
θ
CR > 10
± 45 ± 50 –
deg
Vertical
θ (to 12 o’clock) 10 15 –
θ (to 6 o’clock) 30 35 –
Contrast Ratio
Luminance when LCD is White
Luminance when LCD is Black CR – 200 400 – –
Response Time
Rise Tr
θ
=0°
– 15 30
ms
Fall Tf – 25 50
Brightness LUM θ =0° 180 210 – cd/m 2
Uniformity U θ =0° 70 75 – %
Cross Talk – θ =0° – – 3 %
White Chromaticity
X
–
0.28 0.31 0.34
–
Y 0.30 0.33 0.36
Lamp Life Time Ta=25°C – – – 10,000 – hrs
Electronic Characteristics
Symbol I/O Conditions Min. Typ. Max. Unit
V in
I
DC(+) 4.8 5 5.2 V
I in
DC(+5V)
400 450 500 mA
P in 2.25 W
Touch Panel Characteristics - Electrical Performance
Item Symbol Min. Typ. Max. Unit Remark
Terminal Resistance
X 120 240 370 Ω
Y 280 570 860 Ω
Input Voltage VT – 5.0 7.0 V
Linearity (X, Y direction) 20 ±1.5 %
Insulation Impedance 20 ΜΩ DC25V
Response Time 5 ms
Operation Force 35 g Note 1
Note 1: Input through 0.8R stylus or finger.