BPTGELECTRONICS 1.5 INCH (37.9mm) 8 X 8 DOT MATRIX STICK DISPLAY ~ PACKAGE DIMENSIONS 37.9 (1.49) 104 HER Red / Green GMA3688C (BI-COLOR) DESCRIPTION The GMA3688C a common cathode column 8 X 8, bicolor High Efficiency Red / green dotmatrix display. It has a 03 i ony (0.40) HOOSOOS a grey face with neutral segment color. POOCO0090 ROSSERRS | f OO BROe 4.76X7 = 33.32 37.3 (1.49) Pemeeg | (20.94(1.1 sassre POQQQOOG FEATURES BOO0 9829 | 1.5" ( 37.9mm) character height. J { Low power requirement. eee 4.70X7 os } wal 638 . . . #232 (1.3) eon 028 Wide 130 viewing angle. High brightness and contrast 8 X 8 array with X-Y select. X-Y stackable. | | 000K X fam ote Ease Easy mounting on P.C. board. ~ 254X114 _a = 27.94 (1,10) NOTE: Dimensions are in mm (inch). Tolerances are + 0.26 (0.1) unless otherwise noted. All pins are 0.6 (.02). MODEL NUMBER Part Number Colour Description GMA3688C HER Red/Green Common anode row. (For other color options, contact your local area Sales Office) eee DOT MATRIX STICK DISPLAY 4.5 INCH (37.9mm) 8 X 8 ABSOLUTE MAXIMUM RATING (1, = 25C unless otherwise specified) HER Green Peak forward current per segment 90 90 (Duty cycle 1/10, 10KHz) Continous IF per segment 25 25 Power dissipation per segment 70* 70* *Derate linearly from 25C 0.33 0.33 Reverse voltage VR per segment 5 5 Operating and storage temperature range..........sscsssessesseseeesesseesnessenseees Soldering time at 260C.........cccsssecssesssesssessssessesseneneeeneeeeaenectaerecsenetasnesaanes (1/16" below seating plane) Units mA mA mw mWwiC Volts -25C to +85C ELECTRO - OPTICAL CHARACTERISTICS (1, = 25C unless otherwise specified) HER Green Luminous Intensity/Dot Digit average (Typical) 2200ucd 1600ucd Forward voltage (V,) typical 2.0V 2.1V maximum 2.8V 2.8V Peak wavelength (nm). 635nm 70nm Spectral line half width (nm) 45nm 30nm Reverse breakdown voltage V, 5V 5V 132 Test Condition |. = 20mA |. = 20 mA I= 20mA |. =20mA I, = 20mA lp = 100UA (Fe 1.5 INCH (37.9mm) 8 X 8 IPTOELECTROWICS DOT MATRIX STICK DISPLAY PIN CONNECTION: GMA3688C Pin Number Function Pin Number Function Anode Row 8 Cathode Column 8a Anode Row 7 Cathode Column 7a Anode Row 6 Cathode Column 6a Anode Row 5 Cathode Column 5a Cathode Column 1b Cathode Column 4a Cathode Column 2b Cathode Column 3a Cathode Column 3b Cathode Column 2a Cathode Column 4b Cathode Column 1a Cathode Column 5b Anode Row 4 Cathode Column 6b Anode Row 3 Cathode Column 7b Anode Row 2 Cathode Column 8b Anode Row 1 1 2 3 4 6 7 8 9 Note a = High Efficiency Red LED b = Green LED SCHEMATIC: PIN mem 205 19 6 187 17 8 16 9 1510 14 11 1312 COLUMN ROW 24 B 22 133 DPTSELECTROWICS ROARED DAI DD DDP ODED EDPD ADDS DADDEDION, 1.5 INCH (37.9mm) 8 X 8 DOT MATRIX STICK DISPLAY GRAPHICAL DETAIL: High Efficiency Red (T, = 25C unless otherwise specified) ens < 50 1 & au 40 100 S af ri 30 5 80 s E 60 S zo ro wl ec = E z 10 Z 0 0 1.2 1.6 2.0 2.4 2.8 S20 560 600 640 680 720 Fig.1 FORWARD CURRENT v8 hORWAnD vO WAVELENGTH (X}nm a. . LTAGE. Fig.2 SPECTRAL RESPONSE 2.5 2 S : 2.25 < 2.0 zg E zp 1S 2 ad 1.25 & w = 1.5 5 3 1.0 = 8 > O58 5 2 2 os = 3 0 ' 3 o 1 2 430 40 50 10 20 40 pe le-FORWARD CURRENT-mA DUTY CYCLE % PER SEGMENT Fig.3 RELATIVE LUMINOUS INTENSITY (AVERAGE tr=10mA) VS. FORWARD CURRENT Fig.5 LUMINOUS INTENSITY VS. DUTY CYCLE < Z 1000 5 500 x 3 < 5 200 3 + 100 = = 2 2 7s = 50 =z 2s = 10 S 40-20 0 20 40 60 80 100 1355 10 20 50 100 Ta AMBIENT TEMPERATURE Fig.4 MAXIMUM ALLOWABLE DC CURRENT PER SEGMENT VS. A FUNCTION OF AMBIENT TEMPERATURE. 134 DUTY CYCLE % Fig. 6 MAX PEAK CURRENT VS. DUTY CYCLE % (REFRESH RATE {=1 KHz) DPTRELECTROWIES AAA AAA ARD RAD DOLODDDLEDODDDDIIEN, 1.5 INCH (37.9mm) 8 X 8 DOT MATRIX STICK DISPLAY GRAPHICAL DETAIL: Green (T, = 25C unless otherwise specified) =mA FORWARD CURRENT ir LUMINOUS INTENSITY RELATIVE iDCMAX-MAXIMUM DC CURRENT-mA so 40 30 20 10 0 1200416 02 20002 FORWARD VOLTAGE (Vr)-VOLTS Fig.1 FORWARD CURRENT VS. FORWARD VOLTAGE. 2.5 2.28 E 2.0 a ts 1.25 3 1.0 > 5 2 0.25 o 10 #2 30 40 = 50 lr-FORWAAD CURRENT-mA Fig.2 RELATIVE LUMINOUS INTENSITY VS. FORWARD CURRENT 0 40-20 0 20 40 60 80 100 Ta AMBIENT TEMPERATURE Fig.4 MAXIMUM ALLOWAGLE DC CURRENT PER SEGMENT CS. A FUNCTION OF AMBIENT TEMPERATURE. RELATIVE OUTPUT-% RELATIVE INTENSITY PEAK tp-mA 120 100 20 9 520 560 600 640 680 720 WAVELENGTH (A)-nm Fig.2 SPECTRAL RESPONSE 15 1 10 20 40 oc DUTY CYCLE % PER SEGMENT (AVERAGE fe 10mA) Fig.5 LUMINOUS INTENSITY VS. DUTY CYCLE 1000 500 100 RBSa 13 5 10 20 SO 100 DUTY CYCLE % Fig. 6 MAX PEAK CURRENT VS. DUTY CYCLE % (REFRESH RATE {=1 KHz)