Dot Matrix LED Unit for Outdoor Use LT1448MA(Lamp Type,Water-proof Type) ■ Features ¡No. of dots : 16✕16dots ¡Outline dimensions : 160✕160mm ¡Dot size : ø7.5mm(Using oval lamp) ¡Dot pitch : 9.9mm ¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type LT1448MA ¡Driving method : 1/4 duty dynamic drive ■ Absolute Maximum Ratings Parameter Supply voltage for IC Supply voltage for LED Input voltage Turn-on time Operating temperature Storage temperature Power dissipation Symbol VDD VLED VI tON Topr Tstg P ■ Optical Characteristics (Ta=25˚C) Rating -0.3 to +5.5 -0.3 to +5.0 -0.3 to Vcc+0.3 1 -10 to +45 -20 to +100 38 Unit V V V ms ˚C ˚C W TYP 70 660 565 (VCC=5V,VLED=4.5V,Ta=25˚C) Symbol MIN. TYP. MAX. Unit V 5.25 5.0 VDD 4.75 V 4.75 4.5 4.25 VLED mA 800 400 -----IDD A 7.0 6.0 -----ILED V ----------3.5 VIH Input voltage V 1.5 ----------VIL µA 0.1 ----------IIH Input current mA 0.12 ----------IIL MHZ 10 ----------fCLK Clock frequency 400 3 000 HZ 250 fFR Frame frequency *1 Under the condition that dichromatic all dots are lit. Parameter Supply voltage for IC Supply voltage for LED IC current dissipation*1 LED current dissipation*1 (VCC=5V,VLED=4.5V,Ta=25˚C) Symbol Parameter 2θ1/2 Viewing angle(Horizontal) Red λp Peak emission wavelength Yellow-green ■ Electrical Characteristics Unit ˚ ■ Timing Chart nm t SU t WCLK th CLOCK ■ Luminance RDATA GDATA Luminance is classified into 2 ranks shown below. VD (N+1) RDATA out GDATA out (VCC=5V,VLED=4.5V,Ta=25˚C) Internal ON RENABLE GENABLE VD (n) data ON ADDRESS (A0, A1) VD (n) VD (n+1) data ON t d (K-A) t WKNA t d (A-K) VD (n+1) t d(L-A) ■ Block Diagram Luminance adjustment circuit Input/output circuit VR2 VR1 MONO-MULTI 473 331 HC541 OSC HC123 IN OUT A0 A0 A1 A1 RENABLE RENABLE RDATA RDATA GDATA GDATA LATCH LATCH GENABLE GENABLE CLOCK CLOCK GND1 GND1 3 to 8 DECODER PNP DRIVER HD15 HD16 16✕16 HD31 HD32 HD31 HD32 Dot matrix LED HD47 HD48 HD47 HD48 HD63 HD63 16bit SHIFT REGISTER/ LATCH/DRIVER HD15 HD16 16bit SHIFT REGISTER/ LATCH/DRIVER HD0 16bit SHIFT REGISTER/ LATCH/DRIVER V D15 V D0 H D0 16bit SHIFT REGISTER/ LATCH/DRIVER Function Supply voltage for LED(+4.5V) Supply voltage for IC(+5V) Ground for IC Ground for LED Address specification signal for column driver Serial data input for each color(H:ON, L:OFF) RDATA Shift from up to down in the unit GDATA (HD48/HD63/HD32/HD47/HD16/HD31/HD0/HD15) Latch signal of display data Input signal LATCH L/H: Contents of shift register are latched. (CN2) RENABLE Controls ON/OFF of each color of LED GENABLE (H: LED OFF) Clock signal for data transmission in the shiftCLOCK register.(L/H: serial data is shifted.) Ground for signal (Connected to ground for IC) GND1 Buffered input signal A0,A1 RDATA Input signal generated through 64-bit shift register or Output signal GDATA buffer (CN3) LATCH Buffered input signal RENABLE Buffered input signal GENABLE CLOCK Buffered input signal Ground for signal (Connected to ground for IC) GND1 Each signal is used as input signal for next unit. * As for the terminal number, refer to the outline dimensions. OFF ON t d (L-K) t d(K-L) ■ Terminal Functions Connector Symbol VLED Power supply VCC (CN1) GND1 GND2 A0,A1 OFF ON ENABLE cd/m 2 16bit SHIFT REGISTER/ LATCH/DRIVER 2 1 300 800 t WL 1/fosc 16bit SHIFT REGISTER/ LATCH/DRIVER 1 1 100 700 t d (L-C) LATCH Unit 16bit SHIFT REGISTER/ LATCH/DRIVER Red Yellow-green Rank 16bit SHIFT REGISTER/ LATCH/DRIVER Radiation color VD (n+2) data t d (C-L) t dD ¡In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. (Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/) (Notice) 169 Dot Matrix LED Unit Outline Dimensions(Unit:mm) 9 10 144 P9.0✕15= 135 256-ø7.5L E D 159 P10✕13=130 9.5 15 9.5 13.3 18 H D16 130 157 159 P10✕13=130 9.5 144 P9.0✕15= 135 Data shift direction H D0 52 38 23 15 9.5 HD15 1.6t 256-ø7.5 2.5 H D31 VD15 VD0 156 1 1 6 Ao A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 CN3(Output signal) 1 2 3 4 5 6 7 8 9 10 Ao A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 69.75 1 2 3 4 5 6 7 8 9 10 Pin connection CN3 7 CN1 5 1 1 19.8 125.58 HD0 CN1(Power supply) CN2 7 VR1 VR2 1 VLED GND VCC GND VLED 1 2 3 4 5 6 7 6-M3 Depth7 49 CN3(Output signal) 1 2 3 4 5 6 7 GDATA GENABLE LATCH GND CLOCK RENABLE RDATA GDATA GENABLE LATCH GND CLOCK RENABLE RDATA LT1442M/LT1445M 159 148.5 (P9.9✕15) HD16 HD32 12 22 12 11.6 HD48 239.2 P14.9✕15=223.5 11.0 18.0 16.6 HD16 206.0 Data shift direction 119.6 120.0 P14.9✕15=223.5 159.5 148.5 (P9.9✕15) Data shift direction HD0 HD15 HD15 VD0 1 2 3 4 5 CN2(Input signal) 21 51 LT1447M 11 60 15.84 CN1 CN2(Input signal) 70 125.58 15 1 CN2 10 60 VLED VLED VDD GND1 GND2 GND2 69.75 22.5 1 2 3 4 5 6 CN3 10 154 Pin connection CN1(Power supply) 15 31 Hexagonal spacer ASB315 4-M3(Depth 6MIN.) HD13 HD47 HD63 VD15 HD31 VD0 VD15 256-13.0 ✕ 13.0 11.0 MAX. Height (Except CN1 to 3) Pin connection CN1(Power supply) 206.0 Pin connection CN1:Power supply 47 19.8 LT1448MA (Notice) CN1 6 1 20 A0 A1 GND1 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 CN3 10 GADJ 1 RADJ 6 1 CN1 25.0 50.0 1 2 3 4 5 6 7 8 9 10 A0 A1 GND1 RENABLE RDATA GDATA LATCH GENABLE CLK GND1 CN2 10 1 25.0 50.0 1 2 3 4 5 6 7 8 9 10 VLED 2 VLED 3 Vcc 4 GND1 5 GND2 6 GND2 CN2(Input signal) 10.0 CN3:Output signal 9.0 CN2:Input signal 2-ø3.0(Height3) Positioning pin 80.0 1 1 CN3 CN2 VR2 VR1 Water-proof ring 10 Water-proof rubber Name 1 8-ø7.0 concave ø 7.0 12-Insert nut (M3) Depth6 MIN. Pin No. Name CN3(Output signal) Pin No. Name 1 A0 1 A0 2 A1 2 A1 3 A2 3 A2 4 RENABLE 4 RENABLE 5 RDATA 5 RDATA 6 GDATA 6 GDATA 7 LATCH 7 LATCH 8 GENABLE 8 GENABLE 9 CLOCK 9 CLOCK 10 GND1 10 GND1 P3.96✕5=19.8 45.0 145.0 ø 6.5 4.0 106 61 59.4 159 61 59.4 46.5 22.5 10 ø3 Boss Height 3 Pin No. 119.6 59.4 20 5 VLED VLED Vcc GND1 GND2 GND2 217.0 159.0 P2.5✕9=22.5 59.4 1 2 3 4 5 6 119.6 159 132 5 217.0 190.0 177.0 60.0 6-M3(Depth10) LT1540M ¡In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. 178 (Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)