Purdy AND1264WGST-LED Manual de usuario descargar pdf (Pagina 3)

Intelligent Character Display

AND1264WGST-LED

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

7/20/07

Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com

Optical Characteristics

Item Symbol Condition Min. Typ. Max. Unit

Viewing Angle Range

f (12 o’clock)

When Cr

≥

1.4

–20 –

Degree

b (6 o’clock)

–40 –

l (9 o’clock)

–30 –

r (3 o’clock)

–30 –

Rise TIme

-V

=8.3V

Ta = 25ºC

– 200 –

Fall Time

– 250 –

Frame Frequency Frm – 64 – Hz

Contrast

– 4.5 –

The Brightness of Backlight

If = 300 mA

140 180 –

cd/m

Peak Emission Wavelength

567 570 577 nm

Absolute Maximum Ratings

- Electrical Absolute Ratings

Item Symbol Min. Max. Unit

Power Supply for Logic

-V

-0.3 7.0 V

Power Supply for LCD

-V

0 14.0 V

Input Voltage

-0.3

LED Power Dissipation

– 2070 mW

LED Forward Current

– 450 mA

LED Reverse Voltage

–8 V

Absolute Maximum Ratings

- Environmental Absolute Maximum Ratings

Item

Normal Temperature Wide Temperature

Operating Storage Operating Storage

Min. Max. Min. Max. Min. Max. Min. Max.

Ambient Temperature

0ºC

+50ºC

-20ºC +70ºC -20ºC +70ºC -30ºC +80ºC

Humidity (without condensation)

Note 2, 4

Note 3, 5 Note 4, 5 Note 4, 6

Note 2

≤

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%.

Note 4

Background color changes slightly depending on ambient temperature. This phenomenon is reversible.

Note 5

≤

70ºC: 75 RH max

Ta > 70ºC: absolute humidity must be lower than the humidity of 75% RH at 70ºC

Note 6

Ta at -30ºC will be < 48 hrs; at 80ºC will be <120 hrs when humidity is higher than 75%

1 2 3 4 5

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