Dot Matrix LED Unit for Indoor/Outdoor Use(Lamp Type)
Dot Matrix LED Unit for Indoor/Outdoor Use LT1455M/LT1456M(Lamp Type)
s Features
¡No. of dots : 16!16dots ¡Outline dime...
Description
Dot Matrix LED Unit for Indoor/Outdoor Use LT1455M/LT1456M(Lamp Type)
s Features
¡No. of dots : 16!16dots ¡Outline dimensions : 96.0!96.0mm ¡Dot size : ø5.0mm ¡Dot pitch : 6.0mm ¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type ¡Driving method : 1/8 duty dynamic drive
LT1455M LT1456M
s Absolute Maximum Ratings
Parameter Supply voltage for IC Supply voltage for LED Input voltage Turn-on time Operating temperature Storage temperature Power dissipation Symbol VCC VLED VI tON Topr Tstg P Rating -0.3 to +6.0 -0.3 to +5.5 -0.3 to Vcc+0.3 1 -10 to +65 -20 to +85 22
(Ta=25˚C)
s Electrical Characteristics
Parameter Supply voltage for IC Supply voltage for LED IC current dissipation LED current dissipation*1
(VCC=5V,VLED=5V,Ta=25˚C)
Unit V V V ms ˚C ˚C W
s Optical Characteristics
(VCC=5V,VLED=5V,Ta=25˚C)
Parameter Symbol TYP. Unit Viewing angle 50/40 ˚ 2θ1/2 660 Red nm Peak emission wavelength λp 565 Yellow-green Each figure in the table is the one of LT1455M/LT1456M in sequence.
Symbol MIN. TYP. MAX. Unit V 5.0 5.25 VCC 4.75 V 5.0 5.25 4.5 VLED mA 15 40 -----ICC 3.9 -----ILED A 3.5 ----------3.5 VIL V Signal input voltage VIH ----------1.5 V IIL ----------0.1 µA Signal input current IIH ----------0.12 mA MHz Clock frequency fCLK 3.0 ----------Frame frequency fFR 125 200 400 Hz *1 Under the condition that dichromatic all dots are lit.
s Timing Chart
tsu CLOCK th t WCLK
s Luminance
Luminance is classified into 2 ranks shown below.
(VCC=5V,VLED=5V,Ta=25˚C)
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