IL 715 General Purpose Digital Isolator – Equivalent & Substitute Parts

Part Overview

The IL 715 is a general purpose digital isolator manufactured by NVE Corp/Isolation Products, operating at 2500Vrms isolation voltage with 4 channels and 110Mbps data rate. This component belongs to the IsoLoop® series and utilizes Giant Magnetoresistive (GMR) technology for signal isolation in applications requiring galvanic separation.

The IL 715 maintains Active product status. Substitute parts are identified to address specific application requirements including packaging preferences, compliance certifications, and inventory availability while maintaining electrical and mechanical compatibility.

Substiute Parts

IL 715

NVE Corp/Isolation ProductsIn Stock: 1044IL 715 Datasheet

Current PartRFQ

IL 715E

NVE Corp/Isolation ProductsIn Stock: 4565IL 715E Datasheet

DirectRFQ

HCPL-900J

Broadcom LimitedIn Stock: 90504HCPL-900J Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IL 715 are classified into two categories based on substitution criteria:

Direct Manufacturer Substitute (IL 715E): This part maintains identical electrical specifications and package configuration as the IL 715. The primary distinction is packaging format (Tube versus standard packaging) and RoHS compliance status (ROHS3 Compliant versus RoHS non-compliant). Direct substitution is applicable when packaging preference or regulatory compliance requirements align with the IL 715E specification.

Similar Manufacturer Substitute (HCPL-900J): This Broadcom Limited component shares the core isolation voltage (2500Vrms), channel configuration (4 channels unidirectional), data rate (110MBd), package type (16-SOIC), and supply voltage range (3V ~ 5.5V). Substitution with HCPL-900J requires evaluation of the following parameter differences: Common Mode Transient Immunity (15kV/µs versus 100kV/µs), operating temperature range (-55°C ~ 125°C versus -40°C ~ 100°C), and RoHS compliance status.

Parameter Comparison

Engineering Selection Recommendations

IL 715E Selection: Select IL 715E when ROHS3 compliance is required for the end application or when Tube packaging is specified in procurement requirements. IL 715E maintains identical electrical performance and thermal operating range as IL 715, ensuring direct functional equivalence. Both parts are manufactured by NVE Corp/Isolation Products and utilize identical GMR technology.

HCPL-900J Selection: Select HCPL-900J when extended operating temperature range (-55°C ~ 125°C) is required beyond the IL 715 specification (-40°C ~ 100°C). HCPL-900J is suitable for applications operating in wider ambient temperature environments. Note that HCPL-900J specifies Common Mode Transient Immunity of 15kV/µs, which is lower than the IL 715 specification of 100kV/µs. Applications requiring the higher CMTI specification of 100kV/µs must retain IL 715 or IL 715E.

All three parts maintain Active product status, identical isolation voltage (2500Vrms), 4-channel unidirectional configuration, 110Mbps/MBd data rate, and 16-SOIC package format. Selection between these parts depends on compliance requirements, packaging format, temperature range, and CMTI performance criteria specific to the application.

Frequently Asked Questions (FAQ)

Q: Can IL 715E be used as a direct replacement for IL 715?

A: Yes. IL 715E is electrically and mechanically identical to IL 715. The primary differences are packaging format (Tube) and RoHS compliance status (ROHS3 Compliant). If the application does not require specific packaging or RoHS certification, IL 715E provides equivalent performance.

Q: What are the key differences between IL 715 and HCPL-900J?

A: Both parts share 2500Vrms isolation voltage, 4-channel unidirectional configuration, 110Mbps data rate, and 16-SOIC package. The primary differences are: (1) Common Mode Transient Immunity: IL 715 specifies 100kV/µs while HCPL-900J specifies 15kV/µs; (2) Operating temperature range: IL 715 operates -40°C ~ 100°C while HCPL-900J operates -55°C ~ 125°C; (3) Manufacturer: IL 715 is NVE Corp/Isolation Products (IsoLoop® series) while HCPL-900J is Broadcom Limited.

Q: When should HCPL-900J be selected over IL 715?

A: Select HCPL-900J when the application requires extended operating temperature range below -40°C or above 100°C. HCPL-900J supports -55°C ~ 125°C operation. However, if the application requires Common Mode Transient Immunity of 100kV/µs or higher, IL 715 or IL 715E must be used, as HCPL-900J specifies only 15kV/µs.

Q: Are all three parts pin-compatible?

A: Yes. IL 715, IL 715E, and HCPL-900J all use 16-SOIC (0.295", 7.50mm Width) package format with identical pin configuration for 4-channel unidirectional digital isolation.

Q: What is the significance of the Common Mode Transient Immunity (CMTI) difference?

A: CMTI specifies the maximum rate of change of common-mode voltage that the isolator can withstand without introducing errors. IL 715 and IL 715E specify 100kV/µs, while HCPL-900J specifies 15kV/µs. Applications with high-speed switching or high dV/dt environments require the higher CMTI specification of IL 715 or IL 715E.

Q: Does RoHS compliance affect electrical performance?

A: No. RoHS compliance status (ROHS3 Compliant for IL 715E versus RoHS non-compliant for IL 715 and HCPL-900J) reflects manufacturing process and material composition but does not alter electrical specifications or performance characteristics.

Q: What inventory levels are available for each part?

A: IL 715 has 1008 Pcs in stock, IL 715E has 4460 Pcs in stock, and HCPL-900J has 90400 Pcs in stock. Inventory availability should be considered in procurement planning.