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HCPL4503SDM Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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HCPL4503SDM Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 12 page PACKAGE SCHEMATIC 4/29/04 Page 1 of 12 © 2004 Fairchild Semiconductor Corporation HIGH SPEED TRANSISTOR OPTOCOUPLERS HCPL4503M DESCRIPTION The HCPL4503M optocoupler consists of an AlGaAs LED optically coupled to a high speed photodetector transistor. A separate connection for the bias of the photodiode improves the speed by several orders of magnitude over conventional phototransistor optocouplers by reducing the base-collector capacitance of the input transistor. The base of the phototransistor is not bonded out to a pin for improved noise immunity. An internal noise shield provides superior common mode rejection of 15kV/µs minimum. FEATURES • VISO = 5kV RMS is standard for all devices • High speed-1 MBit/s • Superior CMR, CMH = 50 kV/ms (typical); CML = 30 kV/ms (typical) • No base connection for improved noise immunity • CTR guaranteed 0-70°C •U.L. recognized (File # E90700, Vol 2) • VDE approval pending APPLICATIONS • Line receivers • Pulse transformer replacement • Output interface to CMOS-LSTTL-TTL • Wide bandwidth analog coupling 8 8 1 8 1 1 1 2 3 4 5 6 7 8 + _ V F V CC N/C V O GND N/C N/C |
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