Dot Matrix LED Unit for Outdoor Use LT1540M(Lamp Type) ■ Features ¡No. of dots : 16✕16dots ¡Outline dimensions : 240✕240mm ¡Dot size : 13.0✕13.0mm ¡Dot pitch : 14.9mm ¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type ¡Driving method : 1/8 duty dynamic drive LT1540M ■ 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 ■ Optical Characteristics (Ta=25˚C) Rating -0.3 to +6.0 -0.3 to +8.5 -0.3 to Vcc+0.3 1 -20 to +45 -25 to +100 58 Unit V V V ms ˚C ˚C W TYP. 50 660 565 (VCC=5V,VLED=8V,Ta=25˚C) Parameter Supply voltage for IC Supply voltage for LED IC current dissipation LED current dissipation*1 (Vcc=5V,VLED=8V,Ta=25˚C) Parameter Symbol Viewing angle 2θ1/2 Red Peak emission wavelength λp Yellow-green ■ Electrical Characteristics Unit ˚ Symbol MIN. TYP. MAX. Unit 5.25 V 4.75 5.0 VCC 8.25 V 7.5 8.0 VLED -----500 mA 200 ICC -----7.0 ILED A 5.5 ----------VIH 3.5 V Input voltage ----------VIL 1.5 V ----------µA IIH 0.1 Input current ----------IIL 0.12 mA ----------Clock frequency 10.0 MHz fCLK Frame frequency fFR 250 400 3 000 Hz *1 Under the condition that dichromatic all dots are lit. ■ Timing Chart nm tWCLK th tSU CLOCK ■ Luminance RDATA GDATA Luminance is classified into 2 ranks shown below. (Vcc=5V,VLED=8V,Ta=25˚C) Unit tdD t=1/fosc cd/m 2 Internal ENABLE ON ON ■ Terminal Functions Function Supply voltage for LED (+8V) Power Supply voltage for IC (+5V) supply Ground for IC (CN1) 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 HD16→HD31→HD0→HD15 Latch signal of display data.H: Serial data is Input LATCH converted to parallel data. L: Contents are latched. signal LATCH signal is set up after switching address(A0 to A2) (CN2) RENABLE Controls ON/OFF of each color of LED. GENABLE (H: LED OFF) Clock signal for data transmission in the shift-register. CLOCK (L→H: serial data is shifted.) Ground for signal. (Connected to ground for IC) GND1 A0 to A3 Buffered input signal RDATA Input signal generated through 32-bit shift GDATA register Output LATCH Buffered input signal signal (CN3) 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. (Notice) Symbol VLED VCC GND1 GND2 A0 to A2 ON ON OFF ON ON VD(n) data ON RENABLE GENABLE Connector tWL LATCH td(E-A) ADDRESS (A0 to A2) ON OFF VD(n+1) data ON tWKNA td(A-E) VD(n) VD(n+1) td(A-L) ■ Block Diagram Luminance adjustment circuit Input/output circuit GADJ 473 RADJ 331 HC367 OSC MONO-MULTI OUT IN A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK GND1 A0 A1 A2 RENABLE RDATA GDATA LATCH GENABLE CLOCK GND1 3 to 8 DECODER GATE PNP DRIVER HD16 HD16 16✕16 Dot HD31 HD0 HD31 HD0 HD15 matrix LED 32 BIT SHIFT REGISTER/LATCH/DRIVER 2 1 600 1 000 td(L-C) 32 BIT SHIFT REGISTER/LATCH/DRIVER Red Yellow-green Rank 1 1 200 750 VD(n+2) data td(C-L) 32 BIT SHIFT REGISTER/LATCH/DRIVER Radiation color VD(n+1) data RDATA out GDATA out HD15 SELECTOR ¡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. 170 (Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/) 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/)