IL 715T-3E General Purpose Digital Isolator Equivalent & Substitute Parts

Part Overview

The IL 715T-3E is an active general purpose digital isolator manufactured by NVE Corp/Isolation Products. This component operates at 2500Vrms isolation voltage with 4 unidirectional channels, utilizing Giant Magnetoresistive (GMR) technology. The device is currently in active production status with 867 pieces available in new original inventory.

Digital isolators are essential components in applications requiring galvanic isolation between circuits operating at different voltage potentials or ground references. Substitute parts become necessary when the primary component experiences supply constraints, when alternative sourcing is required for cost optimization, or when design flexibility demands component interchangeability within specified electrical and mechanical parameters.

Substiute Parts

IL 715T-3E

NVE Corp/Isolation ProductsIn Stock: 967IL 715T-3E Datasheet

Current PartRFQ

HCPL-090J-000E

Broadcom LimitedIn Stock: 2403HCPL-090J-000E Datasheet

SimilarRFQ

HCPL-900J

Broadcom LimitedIn Stock: 90504HCPL-900J Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IL 715T-3E is determined by strict alignment with the following critical parameters:

Mandatory Matching Parameters:

• Voltage - Isolation: 2500Vrms
• Number of Channels: 4
• Channel Type: Unidirectional
• Data Rate: 110Mbps (or 110MBd equivalent)
• Propagation Delay tpLH / tpHL (Max): 15ns / 15ns
• Pulse Width Distortion (Max): 3ns
• Voltage - Supply: 3V ~ 5.5V
• Package / Case: 16-SOIC form factor

Allowable Variation Parameters:

• Common Mode Transient Immunity (Min): Substitute values must equal or exceed 100kV/µs
• Operating Temperature: Substitute range must encompass or exceed -40°C ~ 125°C
• RoHS Compliance: Compliance status may differ
• Manufacturer: Different manufacturers permitted

The substitute parts HCPL-090J-000E and HCPL-900J meet the mandatory matching criteria. Both are Broadcom Limited manufactured general purpose digital isolators with identical isolation voltage, channel configuration, data rate, and timing specifications. Variations exist in Common Mode Transient Immunity (15kV/µs versus 100kV/µs) and package dimensions, which are documented in the comparison table below.

Parameter Comparison

Engineering Selection Recommendations

HCPL-090J-000E Selection Criteria:

The HCPL-090J-000E is functionally equivalent to the IL 715T-3E for applications where Common Mode Transient Immunity of 15kV/µs is sufficient. This substitute maintains identical package dimensions (16-SOIC 0.154" width), enabling direct PCB layout compatibility. The HCPL-090J-000E is ROHS3 compliant and extends the operating temperature range to -55°C, providing enhanced performance in low-temperature environments. Inventory availability is 2300 pieces, supporting production volume requirements.

HCPL-900J Selection Criteria:

The HCPL-900J is functionally equivalent to the IL 715T-3E for applications where Common Mode Transient Immunity of 15kV/µs is sufficient. This substitute differs in package dimensions (16-SOIC 0.295" width), requiring PCB layout modification. The HCPL-900J is not ROHS3 compliant and must be evaluated against project regulatory requirements. Inventory availability is 90400 pieces, providing maximum supply security. The extended operating temperature range (-55°C ~ 125°C) supports demanding thermal environments.

Compliance Considerations:

Applications subject to ROHS3 compliance requirements must use either IL 715T-3E or HCPL-090J-000E. The HCPL-900J is not suitable for ROHS3-regulated applications. All three components maintain REACH Unaffected status and MSL 1 (Unlimited) moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can HCPL-090J-000E and HCPL-900J be used interchangeably with IL 715T-3E?

A: Both Broadcom substitutes meet the core electrical specifications (isolation voltage, channel count, data rate, timing parameters, and supply voltage). However, package dimensions differ between HCPL-090J-000E and HCPL-900J. The HCPL-090J-000E maintains the same 0.154" width as IL 715T-3E, enabling direct PCB substitution. The HCPL-900J requires PCB layout modification due to its 0.295" width. Additionally, both substitutes have lower Common Mode Transient Immunity (15kV/µs versus 100kV/µs), which must be evaluated for specific application requirements.

Q: What is the difference in Common Mode Transient Immunity between these parts?

A: The IL 715T-3E specifies 100kV/µs minimum Common Mode Transient Immunity, while both Broadcom substitutes specify 15kV/µs. Common Mode Transient Immunity defines the maximum rate of change of common-mode voltage that the isolator can withstand without causing errors. Applications with high dV/dt switching events (such as motor drive circuits or high-frequency power conversion) may require the higher 100kV/µs specification of the IL 715T-3E.

Q: Are there RoHS compliance differences?

A: Yes. The IL 715T-3E and HCPL-090J-000E are both ROHS3 compliant. The HCPL-900J is not ROHS3 compliant. Projects subject to ROHS3 regulatory requirements must exclude HCPL-900J from component selection.

Q: Which substitute offers the best inventory availability?

A: The HCPL-900J provides the highest inventory availability at 90400 pieces. The HCPL-090J-000E offers 2300 pieces. The IL 715T-3E has 867 pieces in stock. Inventory levels should be evaluated against project lead time and volume requirements.

Q: Can I use HCPL-900J if my PCB is designed for IL 715T-3E?

A: Direct PCB substitution is not possible. The HCPL-900J has a different package width (0.295" versus 0.154"), requiring PCB layout modification. The HCPL-090J-000E maintains identical package dimensions and enables direct PCB substitution without layout changes.

Q: What is the operating temperature range difference?

A: The IL 715T-3E operates from -40°C to 125°C. Both Broadcom substitutes extend the lower temperature limit to -55°C, providing enhanced performance in cold environments. The upper temperature limit remains 125°C for all three components.