Purdy AND491GST3-3V-W-LED Instrukcja Użytkownika Pobierz pdf (Strona 2)

Displays

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

Tel: 408-523-8200 • Fax: 408-733-1287 • [email protected] • www.purdyelectronics.com

04/24/12

Electrical Characteristics

Item Symbol Condition Min. Typ. Max. Unit

Power Supply for Logic VDD-VSS – 2.97 3.30 3.63 V

Input Voltage

VIL L Level 0 – 0.6 V

VH H Level 2.2 – VDD V

VDD-VO

Bias - 1/12

Ta = -20ºC – – – V

Ta = 25ºC 15.8 16.3 16.8 V

Ta = 70ºC – – – V

LED Forward Voltage VF If=160 mA – 3.4 3.6 V

LED Forward Current IF – – 160 – mA

LED Reverse Current IR VR=5V – – 0.3 mA

Optical Speciﬁcations (Ta = 25 ºC)

Item Symbol Remarks

Min.

Speciﬁcations

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 = 3.3 V

Ta = 25ºC

– 200 – mS

Fall Time Tf – 250 –

Frame Frequency Frm – 64 – Hz

Contrast Cr – 3.0 – –

Brightness of Backlight L

IF = 20 mA

120 180 – cd/m

Peak Emission Wavelength λ P x = 0.29

y = 0.30

x = 0.31

y = 0.32

x = 0.33

y = 0.34

Environmental Absolute Maximum Ratings

Item Wide Temperature

Operating Storage

Min. Max. Min. Max.

Ambient Temperature -20 ºC +70 ºC -30 ºC +80ºC

Humidity (without condensation) Note 4, 5 Note 4,6

Note 4: Background color changes slightly depending on ambient temperature. This phenomenon is reversible.

Note 5: Ta ≤ 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%.

AND491GST3-3V-W-LED

Intelligent Character Display

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Displays 1

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