ISO7710FDR Digital Isolator - Equivalent & Substitute Parts

Part Overview

The ISO7710FDR is a general purpose digital isolator manufactured by Texas Instruments, rated for 3000Vrms isolation voltage with 1 channel, 100Mbps data rate, and 85kV/µs common mode transient immunity. The device operates across a 2.25V to 5.5V supply range and is housed in an 8-SOIC surface mount package. The part is currently active in production with ROHS3 compliance and is available in high volume (17,700 pcs in stock).

Equivalent and substitute parts are identified when design requirements allow for variations in isolation voltage, data rate, common mode transient immunity, or operating temperature range while maintaining the same package form factor and core isolation technology.

Substiute Parts

ISO7710FDR

Texas InstrumentsIn Stock: 17759ISO7710FDR Datasheet

Current PartRFQ

ISO7710DR

Texas InstrumentsIn Stock: 2878ISO7710DR Datasheet

Parametric EquivalentRFQ

SI8610AB-B-ISR

Skyworks Solutions Inc.In Stock: 4240SI8610AB-B-ISR Datasheet

MFR RecommendedRFQ

SI8610BC-B-ISR

Skyworks Solutions Inc.In Stock: 6105SI8610BC-B-ISR Datasheet

MFR RecommendedRFQ

SI8715BC-A-IS

Skyworks Solutions Inc.In Stock: 5337SI8715BC-A-IS Datasheet

MFR RecommendedRFQ

SI8716BC-A-IS

Skyworks Solutions Inc.In Stock: 779SI8716BC-A-IS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ISO7710FDR are classified based on the following substitution criteria:

Parametric Equivalent: Parts that maintain identical electrical specifications across isolation voltage, data rate, common mode transient immunity, propagation delay, and operating temperature range. These parts are direct functional replacements with no design modifications required.

Manufacturer Recommended Alternatives: Parts from alternative manufacturers (Skyworks Solutions Inc.) that operate within the same package form factor (8-SOIC) and isolation technology (capacitive coupling) but may have variations in one or more of the following parameters: isolation voltage rating, data rate capability, common mode transient immunity, propagation delay, or operating temperature range. Selection of these alternatives requires verification that the application requirements accommodate the parameter variations.

The following key parameters determine substitution eligibility:

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Technology: Capacitive Coupling
• Channel Configuration: 1 Channel, Unidirectional
• Isolation Technology: General Purpose Digital Isolator

Parameter Comparison

Engineering Selection Recommendations

ISO7710DR (Parametric Equivalent): This part is a direct parametric equivalent to the ISO7710FDR, maintaining identical electrical specifications including 3000Vrms isolation voltage, 100Mbps data rate, 85kV/µs common mode transient immunity, and -55°C to 125°C operating temperature range. Both parts are manufactured by Texas Instruments, are ROHS3 compliant, and use identical packaging. Selection of ISO7710DR is appropriate when the primary constraint is component availability, as it provides identical performance characteristics with no design modifications required.

SI8610AB-B-ISR (Skyworks Solutions Inc.): This substitute operates at a reduced isolation voltage (2500Vrms) and significantly lower data rate (1Mbps) compared to the ISO7710FDR. Common mode transient immunity is reduced to 35kV/µs. This part is suitable only for applications where isolation voltage requirements do not exceed 2500Vrms and data rate requirements do not exceed 1Mbps. Operating temperature range is limited to -40°C to 125°C.

SI8610BC-B-ISR (Skyworks Solutions Inc.): This substitute provides higher isolation voltage (3750Vrms) and higher data rate (150Mbps) than the ISO7710FDR. Common mode transient immunity is reduced to 35kV/µs, and propagation delay is improved to 13ns. This part is suitable for applications requiring higher isolation voltage or higher data rate performance. Operating temperature range is limited to -40°C to 125°C.

SI8715BC-A-IS (Skyworks Solutions Inc.): This substitute provides higher isolation voltage (3750Vrms) but significantly reduced data rate (15Mbps) and increased propagation delay (50ns) compared to the ISO7710FDR. Common mode transient immunity is reduced to 35kV/µs. This part is suitable for low-speed isolation applications requiring higher voltage ratings. Operating temperature range is limited to -40°C to 125°C. Moisture sensitivity level is MSL 3 (168 Hours).

SI8716BC-A-IS (Skyworks Solutions Inc.): This substitute provides identical electrical specifications to SI8715BC-A-IS, with 3750Vrms isolation voltage, 15Mbps data rate, and 50ns propagation delay. This part is suitable for low-speed isolation applications requiring higher voltage ratings. Operating temperature range is limited to -40°C to 125°C. Moisture sensitivity level is MSL 3 (168 Hours). Inventory availability is limited (764 pcs).

All substitute parts maintain ROHS3 compliance and are currently in active production status.

Frequently Asked Questions (FAQ)

Q: Can ISO7710DR be used as a direct replacement for ISO7710FDR?

A: Yes. ISO7710DR is a parametric equivalent with identical electrical specifications, package form factor, and manufacturing compliance. No design modifications are required for substitution.

Q: What are the key differences between ISO7710FDR and the Skyworks Solutions alternatives?

A: The primary differences are manufacturer, common mode transient immunity (reduced from 85kV/µs to 35kV/µs in all Skyworks parts), operating temperature range (reduced from -55°C to -40°C minimum), and data rate capabilities. SI8610AB-B-ISR operates at lower isolation voltage (2500Vrms) and data rate (1Mbps). SI8610BC-B-ISR offers higher data rate (150Mbps) and isolation voltage (3750Vrms). SI8715BC-A-IS and SI8716BC-A-IS operate at lower data rates (15Mbps) with higher isolation voltage (3750Vrms).

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use the same 8-SOIC (0.154", 3.90mm Width) package form factor and surface mount mounting type. However, packaging distribution formats differ: ISO7710FDR and ISO7710DR are supplied in Cut Tape and Digi-Reel formats, SI8610AB-B-ISR and SI8610BC-B-ISR are supplied in Tape & Reel format, and SI8715BC-A-IS and SI8716BC-A-IS are supplied in Tube format.

Q: What is the impact of reduced common mode transient immunity in Skyworks alternatives?

A: The ISO7710FDR specifies 85kV/µs common mode transient immunity, while all Skyworks alternatives specify 35kV/µs. This parameter defines the maximum rate of change of voltage between isolated sides that the device can tolerate without data corruption. Applications with high-speed switching or high dV/dt environments may require the higher immunity rating of the ISO7710FDR or ISO7710DR.

Q: Can SI8610BC-B-ISR be used in applications requiring the full -55°C to 125°C temperature range?

A: No. SI8610BC-B-ISR operates only across -40°C to 125°C. Applications requiring operation below -40°C must use ISO7710FDR or ISO7710DR, which are rated to -55°C.

Q: What is the significance of moisture sensitivity level differences?

A: ISO7710FDR and ISO7710DR are rated MSL 2 (1 Year), allowing extended shelf life and handling flexibility. SI8610AB-B-ISR and SI8610BC-B-ISR are rated MSL 2A (4 Weeks), requiring more careful moisture control during storage and handling. SI8715BC-A-IS and SI8716BC-A-IS are rated MSL 3 (168 Hours), requiring the most stringent moisture control and shortest shelf life before reflow soldering.

Q: Are all parts ROHS3 compliant?

A: Yes. All listed parts, including the main part ISO7710FDR and all substitute parts, are ROHS3 compliant.