Purdy AND1781MST-LED - 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
09/26/10 2
Electrical Characteristics
Item Symbol Condition Min. Typ. Max. Unit
Power Supply for Logic VDD-VSS – 4.5 5.0 5.5 V
Input Voltage
VIL L Level 0 – 0.6 V
VH H Level 2.2 – VDD V
VDD-VO
Ta = -0ºC – – – V
Ta = 25ºC 10.8 12.2 13.1 V
Ta = 50ºC – – – V
Power Supply Current for LCM
IDD VDD=5.0V
VDD-VEE=12.2V
– 16.0 25.0
mA
IEE – 2.4 –
LED Forward Voltage VF If=80 mA – 3.4 3.6 V
LED Forward Current IF – – 80 – mA
LED Reverse Current IR VR=5V – – 0.3 mA
Optical Specifi cations
(Ta = 25 ºC)
Item Symbol Remarks
Min.
Specifi cations
Typ. Max.
Units
Viewing Angle
Φ f (12 o’clock)
When CR ≥ 1.4
– 20 –
deg
Φ
b (6 o’clock) – 40 –
Φ
l (9 o’clock) – 30 –
Φ r (3 o’clock) – 30 –
Rise Time Tr
VDD-VO = 12.2 V
Ta = 25ºC
– 230 – mS
Fall Time Tf – 250 –
Frame Frequency Frm – 64 – Hz
Congrast Cr – 5.0 – –
Brightness of Backlight L
IF = 80 mA
120 180 – cd/m 2
Peak Emission Wavelength λ P x = 0.29
y = 0.30
x = 0.31
y = 0.32
x = 0.33
y = 0.34
nm
AND1781MST-LED
Intelligent Graphic Display
Environmental Absolute Maximum Ratings
Item Normal Temperature
Operating Storage
Min. Max. Min. Max.
Ambient Temperature 0 ºC +50 ºC -20 ºC +70ºC
Humidity (without condensation) Note 2, 4 Note 3,5
Note 2: Ta ≤ 50ºC: 80% RH max; Ta > 50ºC: Absolute humidity must be lower than the humidity of 85% RH at 50ºC.
Note 3: Ta at -20ºC will be < 48 hrs at 70ºC will be <120 hrs when humidity is higher than 75%.