8 MBd Low Input Current Optocoupler

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The HCPL-2300 optocoupler combines an 820 nm AlGaAs photon emitting diode with an integrated high gain photon detector. This combination of Broadcom designed and manufactured semiconductor devices brings new high performance capabilities to designers of isolated logic and data communication circuits.

The new low current, high speed AlGaAs emitter manufactured with a unique diffused junction, has the virtue of fast rise and fall times at low drive currents. These unique characteristics enable this device to be used in an RS-232-C interface ground loop isolation and improved common mode rejection. As a line receiver, it will operate over longer line lengths for a given data rate because of lower IF and VF specifications.

The output of the shielded integrated detector circuit is an open collector Schottky clamped transistor. The shield, which shuns capacitively coupled common mode noise to ground, provides a guaranteed transient immunity specification of 100 V/ms. The output circuit includes an optional integrated 1000 ohms pull-out resistor for the open collector. This gives designers the flexibility to use the internal resistor for pull-out to 5 volt logic or to use an external resistor for connection to supply voltages up to 18 V (CMOS logic voltage).

The Electrical and Switching Characteristics of the HCPL-2300 is guaranteed over a temperature of -40 degrees C to 85 degrees C. This enables the user to confidently design a circuit which will operate under a broad range of operating conditions.



  • Guaranteed Low Thresholds: IF = 0.5 mA, VF <= 1.5 V
  • High Speed:Guaranteed 5 MBd over Temperature
  • Versatile: Compatible with TTL, LSTTL and CMOS
  • Efficient 820 nm AlGaAs LED
  • Internal Shield for Guaranteed Common Mode Rejection
  • Schottky Clamped, Open Collector Output with Optional Integrated Pull-Up Resistor
  • Static and Dynamic Performance Guaranteed from -40 degrees C to 85 degrees C
  • Safety Approval:
UL Recognized - 3750 V rms for 1 minute
CSA Approved
IEC/EN/DIN EN 60747-5-2 Approved with VIORM = 630 V peak (option 060)
  • Options available are:
060 = IEC/EN/DIN EN 60747-5-2 VIORM = 630 V peak Option
300 = Gull Wing Surface Mount Lead Option
500 = Tape/Reel Package Option (1 K min.)
XXXE = Lead Free Option


  • Ground Loop Elimination
  • Computer-Peripheral Interfaces
  • Level Shifting
  • Microprocessor System Interfaces
  • Digital Isolation for A/D, D/A Conversion
  • RS-232-C Interface
  • High Speed, Long Distance Isolated Line Receiver

Lifecycle Status


Substance Compliance

  • RoHS
    Pb & Pb-free options available
Specification Value
Lifecycle Active
Distrib. Inventory Yes
Vcm (V) 50.0
IEC Maximum Working Insulation Voltage Viorm 630
IEC Maximum Working Insulation Voltage Viorm (VPEAK) 630
IF Min. (mA) 0.5
Input Current Ma Uom mA
RoHS6 Compliant Pb & Pb-free options available
Package 300mil DIP
Product Type 8 MBd Logic Gate
UL Insulation Rating Viso (VRMS) 3750.0
VDD2 (V) 5.0
Prop Delay (tPLH) Max. (µs) 160.0
Prop Delay (tPHL) Max. (µs) 200.0
IF Min. (mA) 0.5 mA
Application Brief1 i
Application Note6 i
Brochures2 i
Design Guide1 i
FAQs2 i
Obsolescence Notice1 i
Options Data Sheet6 i
Product Change Notice (PCN)17 i
Regulatory Certificate2 i
Reliability Data Sheet4 i
Selection Guide2 i
White Papers3 i
Promotional Material1 i