Dot Matrix LED Unit for Indoor Use LT1550ED(Chip Type) ■ Features ¡No. of dots : 16✕32dots ¡Outline dimensions : 64.0✕128.0mm ¡Dot size : 3.0✕3.0mm ¡Dot pitch : 4.0mm ¡Radiation color : Yellow-green+Red(dichromatic type) ¡Driving method : 1/16 duty dynamic drive LT1550ED ■ Absolute Maximum Ratings Parameter Supply voltage for IC Supply voltage for LED Input voltage Turn-on time Operating temperature Storage temperature Power dissipation *1 25% or less of lighting Symbol VCC VLED V1 tON Topr Tstg P ■ Optical Characteristics Parameter Symbol Red Luminance Yellow-green Viewing angle Red Peak emission wavelength Yellow-green Lv 2θ1/2 λp (Ta=25˚C) Rating -0.3 to +5.5 -0.3 to +4.5 -0.3 to Vcc+0.3 1 -10 to +60*1 -20 to +70 20 (VCC=5V,VLED=4V,Ta=25˚C) Symbol MIN. TYP. MAX. Unit 4.75 5.0 VCC 5.25 V 3.75 4.0 VLED 4.25 V -----140 200 ICC mA -----3.8 4.2 ILED A 3.5 ----------VIH V Input voltage ----------1.5 VIL V ----------0.1 µA IIH Input current ----------0.12 mA IIL Clock frequency ----------10 fCLK MHZ 70 Frame frequency 250 1 000 HZ fFR *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 Unit V V V ms ˚C ˚C W (VCC=5V,VLED=4V,Ta=25˚C) TYP. 120 180 120 635 565 ■ Electrical Characteristics Unit ■ Timing Chart tsu cd/m 2 ˚ nm t WCLK th CLOCK R&G DATA R&G DATA(OUT) VD(n+1) data VD(n+2) data t WL td(L-C) td(C-L) t dD ■ Terminal Functions Connector Symbol VLED Power supply VCC (CN1) GND A0 to A3 Function Supply voltage for LED (+4V) Supply voltage for IC (+5V) Ground Address specification signal for row driver RDATA Serial data input for red (H=ON, L=OFF) GDATA Serial data input for yellow-green (H=ON, L=OFF) LATCH ENABLE t WENA VD(n) data ON VD(n+1) data ON OFF OFF 1/ f ENA ADDRESS (A0 to A3) VD(n+1) VD(n) td(L-A) td(E-A) td(A-E) ■ Block Diagram Input/output circuit 331 473 HC367 LATCH Latch signal of display data. H: Serial data is converted to parallel data. L: Contents are latched. OUT ENABLE Controls ON/OFF of LED (H: LED OFF) CLOCK Clock signal for data transmission in the shift-register. (L→H: serial data is shifted.) IN A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND A0 to A3 4 TO 16 DECODER Pch FET DRIVER 32BIT SHIFT-REGISTER, LATCH, DRIVER AND LUMINANCE ADJUSTMENT CIRCUIT Ground for signal Buffered input signal Input signal generated through 32-bit shift register RDATA or buffer Input signal generated through 32-bit shift register Output GDATA signal or buffer (CN3) Buffered input signal LATCH ENABLE Buffered input signal CLOCK Buffered input signal GND Ground for signal Each signal is used as input signal for next unit. * As for the terminal number, refer to the outline dimensions. 16✕16DOT✕2 DICHROMATIC LED MATRIX 32BIT SHIFT-REGISTER, LATCH, DRIVER AND LUMINANCE ADJUSTMENT CIRCUIT Input signal (CN2) ¡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) 161 Dot Matrix LED Unit 1 Outline Dimensions(Unit:mm) 2 +0.2 (2.45) 79.9 -0.4 (40) (2.45) 63.8 ±0.2 P4.0X15=60.0 (2.45) 2.5X13=(32.5) 20 36.0 30.0 ±1 H D0 HD15 V D31 512-ø2 HD15 256-ø2.8 VD15 25.0 32.0 MAX VD0 Pin connection CN1(Power supply) (15) Pin connection CN2(Input signal) VR2 VR1 1 1 CN1 23.2 VR4 VR3 1 5 1 2 3 4 5 6 7 8 9 10 10 Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND 22.8 10 7 MIN 8 MIN (37) (33) Pin No. 1 2 3 4 5 6 7 8 9 10 4-M3(Depth6) CN1 VR2 VR1 1 Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND LT1481ED 1 1 4 CN3(Output signal) 4-M3.0 (Depth 6.0) 6.6 CN3 CN2 10 10 19 MAX 2 MAX CN2 CN3 33 (8.5) Pin No. CN1 (Power supply) 19 MAX 20 MAX 1 2 3 4 V LED V CC GND1 GND2 CN2 (Input signal) 62.5 (25) (15) 28.0 ±0.1 (25) Name VLED VLED VCC GND GND 6.6 13 MAX 1 2 3 4 5 23.5 8MAX Pin No. 73 28.0 Data shift direction ±0.1 (2.45) V D0 63.8 ±0.2 P4.0✕15=60.0 +0.2 39.9 -0.4 2.5✕13=(32.5) HD0 10.5 1 2 3 4 5 6 7 8 9 10 CN3 (Output signal) A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND1 1 2 3 4 5 6 7 8 9 10 A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND1 16.5 4 4.5 28.0 ±0.1 28.0 ±0.1 62.5 LT1461ED 4 3 128 512-3❏ chip LED +0 -0.8 8.2 HD0 63.9 4.0✕15=59.25 256-ø3.0 10 +0 -0.5 13.2 64 10.1 Data shift direction 63.9 4.0✕15=59.25 HD0 HD15 VD0 HD15 VD15 VD0 VD31 Data shift direction Height 7.5MAX 110 ±0.25 44.0 44.0 RADJ 3.05±1 46 1 GADJ 7.75±1 1 17.05 27.45 LT1465ED/LT1465M (Notice) CN1 4 5.2 7.5 CN3 CN2 10 14.3 5 22.5 3.35±1 Pin connection CN3 10 IN VR2 OUT 1 7 VR1 CN1 1 CN1(Power supply) NO 1 2 3 4 Name VLED VDD GND1 GND2 6-M3 Insert nut (Effective screw depth 4.0) Pin connection CN1(Power supply) CN2(Input signal) CN3(Output signal) CN2(Input signal) CN3(Output signal) NO 1 2 3 4 5 6 7 8 9 10 Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND1 NO 1 2 3 4 5 6 7 8 9 10 10 19.7 46 CN2 Depth5MIN. 1 ±0.25 Hexagonal supporter 4-M3 54 22.0 10.0 19.7 15.0 Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND1 Pin No. 1 2 3 4 5 6 7 Name VLED VLED VLED VCC GND GND GND Pin No. 1 2 3 4 5 6 7 8 9 10 Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND Pin No. 1 2 3 4 5 6 7 8 9 10 Name A0 A1 A2 A3 RDATA GDATA LATCH ENABLE CLOCK GND LT1550ED ¡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. 176 (Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)