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HCPL-253L Datasheet(PDF) 1 Page - Agilent(Hewlett-Packard) |
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HCPL-253L Datasheet(HTML) 1 Page - Agilent(Hewlett-Packard) |
1 / 11 page Description These diode-transistor optocouplers use an insulating layer between a LED and an integrated photodetector to provide electrical insulation between input and output. Separate connections for the photodiode bias and output- transistor collector increase the speed up to a hundred times that of a conventional phototransistor coupler by reducing the base- collector capacitance. AgilentHCPL-250L/050L/253L/053L LVTTL/LVCMOS Compatible 3.3 V Optocouplers(1Mb/s) Data Sheet Features • Low power consumption • High speed: 1 Mb/s • LVTTL/LVCMOS compatible • Available in 8-pin DIP, SO-8 • Open collector output • Guaranteed performance from temperature: 0˚C to +70˚C • Safety approval, UL, CSA, IEC/EN/DIN EN 60747-5-2 Applications • High voltage insulation • Video signal isolation • Power translator isolation in motor drives • Line receivers • Feedback element in switched mode power supplies • High speed logic ground isolation – LVTTL/LVCMOS • Replaces pulse transformers • Replaces slow phototransistor isolators • Analog signal ground isolation Functional Diagram A 0.1 µF bypass capacitor must be connected between pins 5 and 8. CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD. These optocouplers are available in an 8-pin DIP and in an industry standard SO-8 package. The following is a cross reference table listing the 8-pin DIP part number and the electrically equivalent SO-8 part number. The SO-8 does not require "through holes" in a PCB. This package occupies approximately one-third the footprint area of the 7 1 2 3 4 5 6 8 ANODE 1 CATHODE 1 CATHODE 2 ANODE 2 VCC VO1 VO2 GND HCPL–253L/HCPL–053L 7 1 2 3 4 5 6 8 NC ANODE CATHODE NC VCC VB VO GND TRUTH TABLE (POSITIVE LOGIC) LED ON OFF VO LOW HIGH HCPL–250L/HCPL–050L |
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