LTP-4323G Lite-On

LTP-4323/4823 Series Features Package Dimensions 0.4 inch (10.0mm) digit height. Continuous uniform Segments. Low power requirements. Excellent characters and appearance. Wide viewing angle. Solid state reliability. Common anode or common cathode models. Categorized for luminous intensity. Easy mounting on P.C. board. Description The LTP-4323/4823 series are 0.4 inch (10.0mm) height 16-segment dual digit alphanumeric displays. The dis- plays have gray face and white segments. The AlGaAs red alphanumeric display are designed for applications requiring low power consumption. They are tested and selected for their excellent low current characteristics to ensure that the segments are matched at low current. Drive current as low as 1 mA per segment is available. The AlGaAs red series device utilize LED chips which are made from AlGaAs on a non-transparent GaAs Notes: All dimensions are in millimeters (inches). substrate. The bright red and green series devices Tolerance: 0.25mm (0.010 ) unless other- utilize LED chips which are made from GaP on a trans- wise noted. parent GaP substrate. The yellow and red orange series devices utilize LED chips which are made from GaAsP on a transparent GaP substrate. Devices Part No. Internal Circuit Description Red AlGaAs Bright Green Yellow Diagram Orange Red Red LTP-4323WC LTP-4323P LTP-4323G LTP-4323Y LTP-4323E Duplex Common Cathode, Rt. Hand Decimal A LTP-4823WC LTP-4823P LTP-4823G LTP-4823Y LTP-4823E Duplex Common Anode, Rt. Hand Decimal B Internal Circuit Diagrams A. LTP-4323 9-176 15-p4x23.p65 Page 176 2000/7/11, U 07:08Adobe PageMaker 6.5C/WinB. LTP-4823 Pin Connection Connection Pin No. A. LTP-4323 B. LTP-4823 1 Anode F Cathode F 2 Anode T Cathode T 3 Anode S Cathode S 4 Common Cathode Character 1 Common Anode Character 1 5 Anode DP Cathode DP 6 Anode G Cathode G 7 Anode R Cathode R 8 Anode D Cathode D 9 Anode E Cathode E 10 Common Cathode Character 2 Common Anode Character 2 11 Anode B Cathode B 12 Anode N Cathode N 13 Anode A Cathode A 14 No Connection No Connection 15 Anode H Cathode H 16 Anode P Cathode P 17 Anode C Cathode C 18 Anode M Cathode M 19 Anode K Cathode K 20 Anode U Cathode U Absolute Maximum Rating at Ta=25 AlGaAs Bright Red Parameter Green Yellow Unit Red Orange Red Average Power Dissipation Per Segment 75 40 75 60 75 mW Peak Forward Current Per Segment 125 60 100 80 100 mA (1/10 Duty Cycle, 0.1 ms Pulse Width) Average Forward Current Per Segment 30 15 25 20 25 mA 0.4 0.20 0.33 0.27 0.33 mA/ Derating Linear from 25 Per Segment Reverse Voltage Per Segment 5 5 5 5 5 V Operating Temperature Range -35 to +85 Storage Temperature Range -35 to +85 Solder Temperature 1/16 Inch Below Seating Plane for 3 Seconds at 260 9-177 DISPLAYS