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BROADCOM HCPL0721 CMOS Optocoupler

The HCPL-0721 is a high-speed, CMOS-based optocoupler designed for digital isolation applications. Operating with propagation delays of 40 ns and featuring low power consumption, it provides reliable galvanic isolation for industrial systems. Available in an 8-pin DIP or SO-8 package, it includes an integrated photodiode, high-speed amplifier, and a voltage comparator. Suitable for fieldbus, microprocessor, and communication networks, it ensures safety, regulatory compliance, and excellent noise immunity, making it ideal for automation and data transmission systems.

Authorized Distributors
Source:Newark
Part No:HCPL-0721
Stock:226
Inv Date:06-01-2026
Price: Unit price: $8.74
Buy/RFQ:
Source:DigiKey
Part No:HCPL-0721
Stock:1649
Inv Date:06-01-2026
Price: Unit price: $10.1
Buy/RFQ:
Part No:HCPL-0721
Stock:544
Inv Date:06-02-2026
Price: Unit price: $10.1
Buy/RFQ:

BROADCOM HCPL0721 CMOS Optocoupler Specifications:

  • Propagation Delay: 40 ns max.
  • Data Rate: 25 MBd
  • Input Voltage: 0.5 V to Vop2 + 0.5 V
  • Output Voltage: 0.5 V to Vop2 + 0.5 V
  • Input Current (Low): 6.0 – 10.0 mA
  • Input Current (High): 15 mA
  • Output Supply Current: up to 9.0 mA
  • Common Mode Voltage: 10 – 20 kV/μs
  • Operating Temperature Range: -40°C to +85°C
  • Isolation Voltage: 3750 V rms (UL), 4500 V rms (proof tested)
  • Solder Temperature: 260°C for 10 sec
  • Reflow Profile: As per JEDEC J-STD-020
  • Package: 8-pin DIP and SO-8 surface-mount
  • Insulation Resistance: 10^12 Ω at 500 V
  • Creepage/clearance: 49 mm / 71 mm
  • Insulation Thickness: 0.08 mm

Buy the Avago HCPL0721 – Reliable CMOS Optocoupler for Industrial Applications

Discover the HCPL-0721, a high-speed CMOS optocoupler perfect for industrial digital isolation, communication networks, and microprocessor interfaces. With 40 ns propagation delay and 25 MBd data rate, it provides excellent noise immunity, safety, and regulatory compliance, ensuring dependable operation in demanding environments. Available in DIP and SO-8 packages, this optocoupler requires only minimal external components—just two bypass capacitors—for optimal performance. Invest now for secure, noise-free, and efficient data transmission in industrial automation and control systems.

Buy Avago HCPL-0721 now and experience unmatched reliability and performance in digital isolation for industrial automation and communication systems.

Frequently Asked Questions

Where can I buy BROADCOM HCPL0721?

You can click on the BUY or RFQ button to purchase HCPL0721 from an authorized BROADCOM distributor.

How do I troubleshoot issues or seek technical support for part HCPL0721?

You can download the HCPL0721 datasheet or visit the BROADCOM website for support.

Who is the manufacturer of HCPL0721?

BROADCOM

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