HCPL-181 Data Sheet Phototransistor Optocoupler SMD Mini-Flat Type Figure 7: Relative Current Transfer Ratio vs. TemperatureFigure 8: Collector-Emitter Saturation Voltage vs. Temperature1500.10IF = 5 mAIF = 20 mAVCE = 2 VIC = 1 mA0.081000.06COLLECTOR-EMITTER –0.0450SATURATION VOLTAGE – VCE(SAT.)V0.02RELATIVE CURRENT TRANSFER RATIO – %0020406080100204 0608 0100TA – AMBIENT TEMPERATURE – CTA – AMBIENT TEMPERATURE – °CFigure 9: Collector Dark Current vs. TemperatureFigure 10: Response Time vs. Load Resistance10000500VVCE = 2 VCE =20V200AInC = 2 mA-100TOA = 25°CEL C 100050trTNE20RtfRU10C K 100tdR5A DRESPONSE TIME – μstsR2OT1CEL 10L0.5OC0.2 0.110.050.1 0.20.51251020406080100AMBIENT TEMPERATURE - oCRL – LOAD RESISTANCE – k : Figure 11: Frequency ResponseVCE = 2 V IC = 2 mA0TA = 25 CR10L = 10 k : RL = 1 k : VOLTAGE GAIN AV – dBRL = 100 : 200.512510 2050 100 200500f – FREQUENCY – kHz Broadcom AV02-0774EN 6 Document Outline Description Schematic Functional Diagram Features Applications Ordering Information Package Outline Drawings HCPL-181-000E HCPL-181-060E Solder Reflow Temperature Profile Absolute Maximum Ratings (TA = 25°C) Electrical Specifications (TA = 25°C) Test Circuit for Response Time Test Circuit for Frequency Response