ISO7810FDWW Digital Isolator - Equivalent & Substitute Parts

Part Overview

The ISO7810FDWW is a general purpose digital isolator manufactured by Texas Instruments, designed for galvanic isolation applications requiring 5700Vrms isolation voltage. This single-channel, unidirectional isolator operates at 100Mbps data rate with 100kV/µs common mode transient immunity, housed in a 16-SOIC surface mount package. The device is currently in active production status with 1123 units available in stock. Alternative part numbers are necessary to address supply chain flexibility, inventory availability, or specific packaging requirements while maintaining identical electrical and mechanical specifications.

Substiute Parts

ISO7810FDWW

Texas InstrumentsIn Stock: 1175ISO7810FDWW Datasheet

Current PartRFQ

ISO7810DWW

Texas InstrumentsIn Stock: 1028ISO7810DWW Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ISO7810FDWW is limited to part numbers sharing identical electrical and mechanical specifications within the ISO7810 base product family. The critical parameters determining substitutability are:

• Isolation voltage: 5700Vrms
• Number of channels: 1
• Channel configuration: Unidirectional
• Data rate: 100Mbps
• Common mode transient immunity: 100kV/µs
• Package type: 16-SOIC (0.551", 14.00mm Width)
• Supply voltage range: 2.25V ~ 5.5V
• Operating temperature range: -55°C ~ 125°C

The ISO7810DWW qualifies as a parametric equivalent, meeting all specified electrical and mechanical requirements. Both parts utilize capacitive coupling technology, maintain identical propagation delay characteristics (16ns maximum for both tpLH and tpHL), and share the same compliance certifications (ROHS3, REACH Unaffected).

Parameter Comparison

Engineering Selection Recommendations

Both the ISO7810FDWW and ISO7810DWW are active production parts from Texas Instruments with identical electrical performance and mechanical compatibility. Selection between these parts should be based on inventory availability and supply chain requirements. The ISO7810FDWW currently maintains higher stock levels (1123 units) compared to the ISO7810DWW (990 units). Both parts meet ROHS3 compliance and REACH unaffected status, making them suitable for applications requiring regulatory compliance. The identical MSL rating of 3 (168 hours) applies to both variants, requiring equivalent moisture control during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can ISO7810DWW be used as a direct replacement for ISO7810FDWW?

A: Yes. Both parts share identical electrical specifications, including isolation voltage (5700Vrms), data rate (100Mbps), common mode transient immunity (100kV/µs), and package configuration (16-SOIC). All timing parameters, supply voltage range, and operating temperature specifications are identical.

Q: Are there any package or pinout differences between these parts?

A: No. Both parts use the 16-SOIC (0.551", 14.00mm Width) surface mount package with identical pinout and mechanical dimensions. PCB layout and assembly processes require no modification.

Q: Do both parts have the same compliance certifications?

A: Yes. Both ISO7810FDWW and ISO7810DWW are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is identical at MSL 3 (168 hours) for both variants.

Q: What determines the difference between these part numbers?

A: The parametric specifications are identical. Differences in part numbering typically reflect manufacturing date codes, packaging configurations, or supply chain designations from Texas Instruments, but do not affect electrical or mechanical performance.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection should be based on current inventory availability and supply chain lead times. Both parts maintain active production status with equivalent long-term availability.