HCPL-0723-560 Equivalent & Substitute Parts

Part Overview

The HCPL-0723-560 is a logic output optoisolator manufactured by Broadcom Limited, designed for 3.75kV isolation applications with push-pull, totem pole output configuration. This component operates at 50MBd data rate with 10kV/µs common mode transient immunity in an 8-SO tall surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications requiring this isolation topology and electrical performance envelope.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL-0723-560
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	3750Vrms
Common Mode Transient Immunity (Min)	10kV/µs
Input Type	Logic
Output Type	Push-Pull, Totem Pole
Current - Output / Channel	10 mA
Data Rate	50MBd
Propagation Delay tpLH / tpHL (Max)	22ns / 22ns
Rise / Fall Time (Typ)	8ns / 6ns
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SO Tall
Product Status	Discontinued at DiGi Electronics
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the HCPL-0723-560 is determined by the following critical parameters: isolation voltage (3750Vrms), output configuration (push-pull totem pole), single channel architecture, 10mA output current capability, supply voltage range (4.5V–5.5V), and 8-SOIC package footprint. The primary substitute is HCPL-0723-560E, which maintains identical electrical specifications while offering active product status and RoHS3 compliance. Secondary substitutes include FOD0710, FOD0710R2, FOD0720, FOD0720R2, FOD0721, and FOD0721R2, which share the same isolation voltage, output topology, channel count, output current, and package form factor. These alternatives operate at lower data rates (12.5Mbps or 25Mbps) and feature higher common mode transient immunity (20kV/µs), with extended operating temperature ranges in certain variants.

Parameter Comparison

Parameter	HCPL-0723-560	HCPL-0723-560E	FOD0710	FOD0710R2	FOD0720	FOD0720R2	FOD0721	FOD0721R2
Manufacturer	Broadcom	Broadcom	Fairchild	onsemi	Fairchild	Fairchild	onsemi	onsemi
Number of Channels	1	1	1	1	1	1	1	1
Voltage - Isolation	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms
Common Mode Transient Immunity (Min)	10kV/µs	10kV/µs	20kV/µs	20kV/µs	20kV/µs	20kV/µs	20kV/µs	20kV/µs
Input Type	Logic	Logic	Logic	Logic	Logic	Logic	Logic	Logic
Output Type	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole
Current - Output / Channel	10 mA	10 mA	10 mA	10 mA	10 mA	10 mA	10 mA	10 mA
Data Rate	50MBd	50MBd	12.5Mbps	12.5Mbps	25Mbps	25Mbps	25Mbps	25Mbps
Propagation Delay tpLH / tpHL (Max)	22ns / 22ns	22ns / 22ns	40ns / 40ns	40ns / 40ns	40ns / 40ns	40ns / 40ns	40ns / 40ns	40ns / 40ns
Rise / Fall Time (Typ)	8ns / 6ns	8ns / 6ns	5ns / 4.5ns	5ns / 4.5ns	5ns / 4.5ns	5ns / 4.5ns	5ns / 4.5ns	5ns / 4.5ns
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 100°C	-40°C ~ 100°C	-40°C ~ 100°C	-40°C ~ 100°C	-40°C ~ 100°C	-40°C ~ 100°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Product Status	Discontinued	Active	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	Not specified	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

HCPL-0723-560E is the direct equivalent replacement, maintaining identical electrical performance while offering active product status and RoHS3 compliance. This part is the preferred choice for new designs and production continuity.

FOD0710 and FOD0710R2 operate at 12.5Mbps, suitable for applications where the original 50MBd data rate is not required. These parts feature 20kV/µs common mode transient immunity and extended operating temperature to 100°C. FOD0710R2 includes RoHS3 compliance and tape & reel packaging.

FOD0720, FOD0720R2, FOD0721, and FOD0721R2 operate at 25Mbps, providing intermediate data rate capability between the original 50MBd specification and the 12.5Mbps FOD0710 variants. FOD0720R2 and FOD0721R2 offer RoHS3 compliance and tape & reel packaging for production environments. All FOD072x variants feature 20kV/µs common mode transient immunity and 100°C maximum operating temperature.

Selection between FOD072x variants depends on data rate requirements, packaging format (bulk versus tape & reel), and compliance mandates. All substitute parts maintain the 3750Vrms isolation voltage, 10mA output current, push-pull totem pole topology, and 8-SOIC package footprint required for direct board-level compatibility.

Frequently Asked Questions (FAQ)

Q: Can HCPL-0723-560E be used as a direct replacement for HCPL-0723-560?

A: Yes. HCPL-0723-560E maintains identical electrical specifications including 50MBd data rate, 22ns propagation delay, 10kV/µs common mode transient immunity, and 8-SOIC package. The primary differences are active product status and RoHS3 compliance.

Q: What is the impact of using FOD0710 or FOD0720 variants instead of the original HCPL-0723-560?

A: FOD0710 and FOD0720 series operate at lower data rates (12.5Mbps and 25Mbps respectively) compared to the original 50MBd specification. These parts are suitable only for applications where the lower data rate is acceptable. All other electrical parameters—isolation voltage, output current, supply voltage, and package footprint—remain compatible.

Q: Are all substitute parts pin-compatible with HCPL-0723-560?

A: Yes. All listed substitutes use the 8-SOIC (0.154", 3.90mm Width) package with identical pinout for single-channel push-pull optoisolator topology.

Q: What is the difference between FOD0720 and FOD0720R2?

A: FOD0720 is supplied in bulk packaging, while FOD0720R2 is supplied in tape & reel format. Electrical specifications are identical. Selection depends on production volume and handling requirements.

Q: Do all substitute parts support the -40°C to 85°C operating temperature range?

A: The original HCPL-0723-560 and HCPL-0723-560E operate from -40°C to 85°C. FOD0710, FOD0710R2, FOD0720, FOD0720R2, FOD0721, and FOD0721R2 extend the upper limit to 100°C, providing wider temperature margin for demanding applications.

Q: Which substitute offers the best compliance profile?

A: HCPL-0723-560E, FOD0710R2, FOD0721, and FOD0721R2 carry RoHS3 compliance certification. HCPL-0723-560E is the direct Broadcom equivalent. FOD0710R2 and FOD0721R2 are onsemi products with tape & reel packaging suitable for automated assembly.

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