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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

Electrical Characteristics

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Power Supply for Logic

VDD-VSS

–

4.5

5.0

5.5

Input Voltage

VIL

L Level

–

0.6

H Level

2.2

–

VDD

VDD-VO

Ta = -0ºC

–

Ta = 25ºC

10.8

12.2

13.1

Ta = 50ºC

–

Power Supply Current for LCM

IDD

VDD=5.0V

VDD-VEE=12.2V

–

16.0

25.0

IEE

–

2.4

–

LED Forward Voltage

If=80 mA

–

3.4

3.6

LED Forward Current

–

LED Reverse Current

VR=5V

–

0.3

Optical Speciﬁ cations

(Ta = 25 ºC)

Item

Symbol

Remarks

Min.

Speciﬁ cations

Typ.

Max.

Units

Viewing Angle

f (12 o’clock)

When CR ≥ 1.4

–

deg

b (6 o’clock)

–

l (9 o’clock)

–

r (3 o’clock)

–

Rise Time

VDD-VO = 12.2 V

Ta = 25ºC

–

230

–

Fall Time

–

250

–

Frame Frequency

Frm

–

Congrast

–

5.0

–

Brightness of Backlight

IF = 80 mA

120

180

–

cd/m

Peak Emission Wavelength

x = 0.29

y = 0.30

x = 0.31

y = 0.32

x = 0.33

y = 0.34

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%.

1 2 3 4

Displays 1

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