LT1442M SHARP | Alldatasheet
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(Notice) \ 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/) Supply voltage for IC Supply voltage for LED Input voltage*1 O perating tem perature Storage tem perature Pow er dissipation V C C V LED V I Topr Tstg P 5.5 3.5 5.5 -10 to +75 -20 to +100 V V V W Param eter Sym bol R ating U nit (Ta=25˚C ) *1 V I<V cc at V cc≤5 Each figure in the table is the one of LT1442M /LT1445M in sequence. LATC H C LO C K C LO C K LATC H G EN ABLE G EN ABLE R EN ABLE R EN ABLE R D ATA G D ATA R D ATA Shift register(red)Shift register(yellow -green) LATC H C onstant current driverC onstant current driver 165 16dots D ot m atrix C N 3 O utput signal portionC N 2 Input signal portion LATC H G D ATA Yellow-green R ed LED lam p(dichrom atic) VR 1 M O N O -M U LTIO SC VR 2 (For red) (For yellow -green) Lum inance adjustm ent circuit B U F F E R B U F F E R 168 n Absolute Maximum Ratings n Terminal Functions n Electrical Characteristics n Timing Chart n Block Diagram Param eter R ed Yellow -green R ed Yellow -green M IN . 800/700 cd/m Sym bol TY P U nit LV M IN . 800/700 36/54 ˚2θ1/2 660 nmλp 565 Lum inance V iew ing angle Peak em ission w avelength (V C C =5V,V LED =3V,Ta=25˚C ) Each figure in the table is the one of LT1442M /LT1445M in sequence. Dot Matrix LED Unit for Outdoor Use LT1442M/LT1445M(Lamp Type) n Features \ No. of dots : 165 16dots \ Outline dimensions : 1605 160mm \ Dot size : ø7.5mm \ Dot pitch : 10mm \ Radiation color : Yellow-green+Red(High-luminosity)dichromatic type \ Driving method : Static drive n Optical Characteristics Supply voltage for IC Supply voltage for LED IC current dissipation LED current dissipation*1 Input voltage V C C V LED IC C ILED V IH 4.75 2.75 3.5 5.0 3.0 9.3/11.5 Param eter Sym bol M IN . TY P. 5.25 3.25 3.0 1.5 0.1 0.12 M A X . V V m A A V M H z V µA m A U nit (V C C =5V ,V LED =3V ,Ta=25˚C ) *1 U nder the condition that dichrom atic all dots are lit. Each figure in the table is the one of LT1442M /LT1445M in sequence. td(C -L)tholdtsetup C LO C K G D ATA R D ATA LATC H tW C LK tW L Internal EN ABLE G EN ABLE tW EN A 1/fO SC O FF O ND isplay pattern O FF R EN ABLE 1/fEN A C onnector V LED V C C G N D R D A TA G D A TA LA TC H R EN A B LE G EN A B LE C LO C K G N D R D A TA G D A TA LA TC H R EN A B LE G EN A B LE C LO C K G N D Serial data input for yellow -green(H =O N , L=O FF) L: C ontents of shift register is transm itted to latch register. H : C ontents are latched. C ontrols O N /O FF of red LED (L: LED O N ) C ontrols O N /O FF of yellow -green LED (L: LED O FF) C lock signal for data transm ission in the shift- register.(L/H : serial data is shifted.) G round for signal Input signal generated through 256-bit shift register or buffer Input signal generated through 256-bit shift register or buffer B uffered input signal B uffered input signal B uffered input signal B uffered input signal G round for signal Sym bol Function Supply voltage for LED (+3V ) Supply voltage for IC (+5V ) G round Serial data input for red(H =O N , L=O FF) O utput signal (C N 3) Input signal (C N 2) Pow er supply (C N 1) Each signal is used as input signal for next unit. * A s for the term inal num ber, refer to the outline dim ensions. LT1445M
(Notice) \ 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/) 178 159 P105 13=130 9.59.5 159 9.52.5 9.5P105 13=130 156 154 60 60 256-ø7.5 1 1 VR 1 VR 2 C N 2 5 7 C N 1 69.75 69.75 C N 3 D epth7 15.84 6-M 3
7 R D ATA
C N 2(Input signal)
4 G N D
5 C LO C K
3 LATC H
1 G D ATA
6 R EN ABLE6 R EN ABLE
C N 3(O utput signal)
1 VLED
C N 1(Pow er supply)
5 VLED
3 VC C
2 G N D
1.6t Dot Matrix LED Unit Outline Dimensions(Unit:mm) 151813.3 H D 16 H D 31 VD 15 P9.05 15= P9.05 15= D ata shift direction 135 144 256-ø7.5L E D D 0H135 144 4-M 3(D epth 6M IN .) H exagonal spacer ASB315 VD 0 D 15H LATC H 1 Ao C N 3(O utput signal)
5 R D ATA
6 G D ATA
8 G EN ABLE
9 C LK
7 LATC H
19.8 125.58
4 R EN ABLE
22.5 125.58
15 C N 1 4
C N 2(Input signal) C N 1(Pow er supply) Pin connection 11.612 H D 16 H D 15 H D 13 H D 47 H D 63 VD 15VD 0 159 H D 32 148.5 (P9.95 15) (P9.95 15) H D 0 148.5 159.5 1 A0 C N 2:Input signal
2 VLED
4 G N D 1
3 Vcc
C N 1:Pow er supply
3 G N D 1
C N 3:O utput signal 1 A0 2 A1
10 G N D 1
6 G N D 2
5 G N D 2
59.4 59.4 159 H eight 3 132 VR 2 VR 1 C N 2 C N 16 C N 3 106 159 6-M 3(D epth10)20W ater-proof ring 55 ø3 Boss 59.4 19.8 46.5 H D 48 22.5 59.4 D ata shift direction Pin connection LT1448MA LT1442M/LT1445MLT1447M 9 10 R AD J P14.95 15=223.5 239.2 P14.95 15=223.5 120.0 H D 16 H D 31 H D 0 H D 15 119.6 VD 0 VD 15 11.0M AX. H eight(Except C N 1 to 3) 80.0 206.0 11.0 18.0 16.6 206.0 190.0 217.0 C N 1 177.0 60.0 50.050.0 C N 3 2-ø3.0(H eight3) Positioning pin W ater-proof rubber 8-ø7.0 concave 217.0 119.6119.6 159.0 P2.55 9=22.5 P3.965 5=19.8 145.0 12- (M 3) Insert nut 6D epth M IN . 45.0 10.0 9.0 G AD J C N 2 4.06.5ø 7.0ø 1 A0 R EN ABLE R D ATA G D ATA LATC H G EN ABLE C LO C K G N D 1 C N 2 Pin N o. N am e Pin connection (Input signal) 1 A0 R EN ABLE R D ATA G D ATA LATC H G EN ABLE C LO C K G N D 1 Pin N o. N am e (O utput signal)C N 3 Pin N o. N am e (Pow er supply) 25.025.0 256-13.0 5 13.0 D ata shift direction LT1540M