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HCPL-7723-320 Equivalent & Substitute Parts
Part Overview
The HCPL-7723-320 is a logic output optoisolator featuring 5000Vrms isolation with push-pull, totem pole output configuration. It delivers 50MBd data rate with 10kV/µs common mode transient immunity in an 8-DIP gull wing surface mount package. The main part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Number of Channels | 1 |
| Voltage - Isolation | 5000Vrms |
| 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 |
| Package / Case | 8-SMD, Gull Wing |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
The HCPL-7723-320E qualifies as a direct substitute based on identical electrical and mechanical parameters. Substitution is determined by the following critical parameters:
- Number of Channels: 1 (matching)
- Voltage - Isolation: 5000Vrms (matching)
- Common Mode Transient Immunity: 10kV/µs (matching)
- Output Type: Push-Pull, Totem Pole (matching)
- Data Rate: 50MBd (matching)
- Propagation Delay: 22ns maximum (matching)
- Package / Case: 8-SMD, Gull Wing (matching)
- Mounting Type: Surface Mount (matching)
- Operating Temperature Range: -40°C ~ 85°C (matching)
- Supply Voltage: 4.5V ~ 5.5V (matching)
Parameter Comparison
| Parameter | HCPL-7723-320 | HCPL-7723-320E |
|---|---|---|
| Manufacturer | Broadcom Limited | Broadcom Limited |
| Number of Channels | 1 | 1 |
| Voltage - Isolation | 5000Vrms | 5000Vrms |
| Common Mode Transient Immunity (Min) | 10kV/µs | 10kV/µs |
| Input Type | Logic | Logic |
| Output Type | Push-Pull, Totem Pole | Push-Pull, Totem Pole |
| Current - Output / Channel | 10 mA | 10 mA |
| Data Rate | 50MBd | 50MBd |
| Propagation Delay tpLH / tpHL (Max) | 22ns, 22ns | 22ns, 22ns |
| Rise / Fall Time (Typ) | 8ns, 6ns | 8ns, 6ns |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 8-SMD, Gull Wing | 8-SMD, Gull Wing |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Discontinued at DiGi Electronics | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Packaging | - | Tube |
Engineering Selection Recommendations
The HCPL-7723-320E is the direct equivalent for the discontinued HCPL-7723-320. Both parts share identical electrical specifications and package configuration. The primary distinction is product status: HCPL-7723-320E is active and available, while HCPL-7723-320 is discontinued. Additionally, HCPL-7723-320E meets ROHS3 compliance, whereas the original part is RoHS non-compliant. For new designs and ongoing procurement, HCPL-7723-320E is the appropriate selection.
Frequently Asked Questions (FAQ)
Q: Can HCPL-7723-320E replace HCPL-7723-320 in existing designs?
A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including isolation voltage, data rate, propagation delay, output current, and package configuration. Direct substitution is valid.
Q: What is the difference between HCPL-7723-320 and HCPL-7723-320E?
A: The parts are functionally equivalent. HCPL-7723-320E is the active production variant with ROHS3 compliance and tube packaging, while HCPL-7723-320 is discontinued and RoHS non-compliant.
Q: Are there any package or pinout differences?
A: No. Both parts use the 8-SMD gull wing package with identical pinout and mounting configuration.
Q: What is the base product number?
A: The base product number is HCPL-7723, which encompasses both the HCPL-7723-320 and HCPL-7723-320E variants.
Q: Is HCPL-7723-320E suitable for high-speed digital isolation applications?
A: Yes. With 50MBd data rate, 22ns maximum propagation delay, and 10kV/µs common mode transient immunity, HCPL-7723-320E is designed for high-speed logic isolation in industrial and automotive applications.
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