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Home » NEWEST Products » New by Manufacturer » Fairchild Semiconductor » High Speed Transistor Optocouplers - Fairchild
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Fairchild High Speed Transistor Optocouplers

Fairchild High Speed Transistor Optocouplers

Fairchild's High Speed Transistor Optocouplers consist of an AIGaAs LED optically coupled to a high speed photodetector transistor. A seperate 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 HCPL4503M has no internal connection to the phototransistor for improved noise immunity. An internal noise shield provides superior common mode rejection of up to 50,000V/µs.

Features
  • High Speed - 1MBit/s
  • Superior CMR - 10kV/µs
  • CTR Guaranteed 0°C to 70°C
  • U.L. Recognized (File# E90700, Vol. 2)
  • DIN EN/IEC60747-5-5 (Ordering Option 'V', e.g. 6N135VM)
  • 5,000 VRMS (1 Minute) Isolation Rating
  • Superior CMR of 15,000V/µs Minimum (HCPL4503M)
  • No Base Connection for Improved Noise Immunity (HCPL4503M)
Applications
  • Line Receivers
  • Pulse Transformer Replacement
  • Output Interface to CMOS-LSTTL-TTL
  • Wide-Bandwidth Analog Coupling
Schematic
Schematic
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