OPB950

Product Bulletin OPB950 July 1996 January 2006 Dual Channel Encoder Type OPB950 Features • Dual channel outputs • 0.010" (0.254 mm) sensor apertures for high resolution • Open collector inverter outputs • Snap mount • 4-pin connector ( Ho Tien 2560-04), Molex compatible connector 5102 series housing and 5103 series terminal Absolute Maximum Ratings (TA = 25o C unless otherwise noted) Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40o C to +85o C Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40o C to +85o C Input Diode Forward DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Peak Forward Current (1µs Pulse Width, 300 pps) . . . . . . . . . . . . . . . . . . . . . . . 3.0 A Reverse D. C. Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(1) Output Photologic® Description The OPB950 consists of an infrared emitting diode and a monolithic integrated circuit which incorporates two independent photodiodes, linear amplifiers, Schmitt trigger circuits and output transistors. The outputs are TTL/LSTTL compatible and can drive 8 TTL loads. Applications include linear and rotary encoders with high resolution provided by internal 0.010" (0.254 mm) apertures located in front of Photologic® sensor on 0.040" (1.02 mm) center line spacing. Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 V Voltage at Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mW(2) Low Level Output Current (Sinking) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Notes: (1) Derate linearly 1.67 mW/o C above 25o C. (2) Derate linearly 3.33 mW/o C above 25o C. Schematic For RoHS compliant devices add "Z" to the end of the part number: OPB950Z RoHS Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 12-152 (972) 323-2200 Fax (972) 323-2396 Type OPB950 Electrical Characteristics (TA = 25o C unless otherwise noted) SYMBOL VCC VOH VOL PARAMETER Operating D.C. Supply Voltage High Level Output Voltage (per channel) Low Level Output Voltage (per channel) MIN TYP MAX UNITS 4.75 2.4 0.4 5.0 5.25 V V V TEST CONDITIONS VCC = 5.0 V, Blocked Condition VCC = 5.0 V, Unblocked Condition Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible. Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 (972) 323-2200 Fax (972) 323-2396 12-153