Dot Matrix LED Unit for Indoor Use LT1461ED(Chip On Board Type) ■ Features ¡No. of dots : 16✕16dots ¡Outline dimensions : 64✕64mm ¡Dot size : ø2.8mm ¡Dot pitch : 4.0mm ¡Radiation color : Yellow-green+Red(dichromatic type) ¡Driving method : 1/16 duty dynamic drive LT1461ED ■ Absolute Maximum Ratings Symbol VCC VLED VI tON Topr Tstg P Parameter Supply voltage for IC Supply voltage for LED Input voltage Turn-on time Operating temperature Storage temperature Power dissipation ■ Optical Characteristics Parameter Symbol Red Yellow-green Viewing angle Red Peak emission wavelength Yellow-green Luminance LV 2θ1/2 λp (Ta=25˚C) Rating 6.0 6.0 -0.3 to +5.5 1 -10 to +45 -20 to +70 13 Unit V V V ms ˚C ˚C W Unit ■ Timing Chart cd/m 2 tsu ˚ CLOCK nm RDATA GDATA tWCLK th HD(n+1)DATA HD(n+2)DATA tWL tdD td(C-L) RDATAout GDATAout td(L-C) LATCH ■ Terminal Functions Function Connector Symbol Supply voltage for LED (+5V) VLED Power VCC Supply voltage for IC (+5V) supply Ground for IC (CN1) GND1 Ground for LED GND2 A0 to A3 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) Input signal (CN2) LATCH (VCC=5V,VLED=5V,Ta=25˚C) Symbol MIN. TYP. MAX. Unit V 5.25 5.0 VCC 4.75 -----V 5.25 5.0 VLED ----------mA 50 ICC ----------A 1.8 ILED ----------V 3.5 VIH Input voltage ----------V 1.5 VIL ----------µA 0.1 IIH Input current ----------0.12 IIL mA ----------Clock frequency 4 fCLK MHZ Frame frequency -----625 80 fFR HZ *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=5V,Ta=25˚C) TYP 90 90 80 635 565 ■ Electrical Characteristics ENABLE HD(n)DATA ON OFF td(E-L) ADDRESS tEN HD(n+1)DATA ON td(L-E) HD(n+1) HD(n) (A0~A3) tOFF td(E-A) td(L-A) td(A-E) ■ Block Diagram Vcc 47K Latch signal of display data. L: Contents are latched. ENABLE Controls ON/OFF of LED (H: LED OFF) HC367 Input circuit CN3 CN2 A0 A1 A2 A3 RDATA GDATA CLK LATCH ENABLE Buffer Decoder Shiftresister Latch(R) LED Matrix Driver Driver Driver A0 A1 A2 A3 RDATA GDATA CLK LATCH ENABLE Shiftresister Latch(G) Clock signal for data transmission in the shiftregister. (L→H: serial data is shifted.) Ground for signal. (Connected to ground for IC) GND1 A0 to A3 Buffered input signal Input signal generated through 16-bit shift register RDATA or buffer Output GDATA Input signal generated through 16-bit shift register signal or buffer (CN3) LATCH Buffered input signal ENABLE Buffered input signal 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. CLOCK VR1 VR2 G.ADJ G.ADJ Mono-Multi OSC ¡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) 159 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/)