IL 7710-2 Digital Isolator Equivalent & Substitute Parts

Part Overview

The IL 7710-2 is a General Purpose Digital Isolator manufactured by NVE Corp/Isolation Products, part of the IsoLoop® series. This component provides galvanic isolation using Giant Magnetoresistive (GMR) technology with a single unidirectional channel rated for 2500Vrms isolation voltage and 110MBd data rate. The IL 7710-2 is classified as Obsolete, making identification of functionally equivalent substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

IL 7710-2

NVE Corp/Isolation ProductsIn Stock: 1074IL 7710-2 Datasheet

Current PartRFQ

IL 710-2

NVE Corp/Isolation ProductsIn Stock: 1022IL 710-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IL 7710-2 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Isolation voltage: 2500Vrms
• Number of channels: 1
• Channel configuration: Unidirectional (1 input, 0 outputs on isolated side)
• Package type: 8-DIP (0.300", 7.62mm)
• Mounting type: Through Hole
• Supply voltage range: 3V ~ 5.5V
• Technology: GMR (Giant Magnetoresistive)

Allowable Parameter Variations:

• Common Mode Transient Immunity (CMTI): May exceed minimum specification of 20kV/µs
• Data Rate: Must meet or exceed 110MBd
• Operating temperature range: May extend beyond -40°C ~ 85°C
• Product status: Active status preferred over Obsolete for long-term availability

The IL 710-2 qualifies as a direct substitute based on full compliance with all mandatory matching parameters and superior performance in allowable variation categories.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: IL 710-2

The IL 710-2 is the direct functional equivalent of the IL 7710-2 and is the recommended substitute for all applications. Selection rationale:

1. Product Status: The IL 710-2 holds Active status, ensuring continued availability and manufacturing support, whereas the IL 7710-2 is Obsolete.

2. Electrical Equivalence: All critical electrical parameters match or exceed the IL 7710-2 specification. The IL 710-2 provides enhanced Common Mode Transient Immunity (100kV/µs versus 20kV/µs), offering superior noise immunity in high-speed switching environments.

3. Thermal Performance: Extended operating temperature range (-40°C ~ 100°C) provides additional margin for applications requiring higher temperature operation.

4. Package and Pinout Compatibility: Identical 8-DIP (0.300", 7.62mm) through-hole package ensures direct mechanical and electrical compatibility without PCB redesign.

5. Compliance Status: Both parts maintain identical RoHS non-compliance and REACH Unaffected status. Moisture Sensitivity Level remains at MSL 1 (Unlimited) for both variants.

6. Timing Characteristics: Propagation delay, pulse width distortion, and rise/fall times are identical, ensuring signal integrity equivalence.

Frequently Asked Questions (FAQ)

Q: Can the IL 710-2 be used as a direct replacement for the IL 7710-2 without PCB modifications?

A: Yes. The IL 710-2 is pin-compatible and functionally equivalent. Both components use the 8-DIP (0.300", 7.62mm) through-hole package with identical pinout. No PCB layout changes are required.

Q: What is the significance of the higher Common Mode Transient Immunity (CMTI) specification in the IL 710-2?

A: The IL 710-2 specifies 100kV/µs CMTI compared to 20kV/µs in the IL 7710-2. This parameter defines the maximum rate of change of common-mode voltage that the isolator can withstand without introducing errors. The higher specification in the IL 710-2 provides enhanced immunity to noise and transients, particularly beneficial in high-speed switching applications such as motor drives and power conversion circuits.

Q: Are there any differences in supply voltage requirements between these parts?

A: No. Both the IL 7710-2 and IL 710-2 operate across the identical supply voltage range of 3V ~ 5.5V. Circuit design and power supply specifications remain unchanged.

Q: What is the practical impact of the extended operating temperature range in the IL 710-2?

A: The IL 710-2 operates from -40°C ~ 100°C, compared to -40°C ~ 85°C for the IL 7710-2. This 15°C extension at the upper temperature limit allows the IL 710-2 to function in higher ambient temperature environments or applications with elevated thermal loads, without requiring additional thermal management measures.

Q: Why is the IL 7710-2 classified as Obsolete?

A: Obsolete status indicates that the manufacturer has discontinued production and support for this part number. The IL 710-2 represents the current production equivalent within the IsoLoop® series, ensuring access to ongoing supply and technical support.

Q: Are the propagation delay and timing characteristics identical between these parts?

A: Yes. Both parts specify identical propagation delay (15ns maximum for both tpLH and tpHL), pulse width distortion (3ns maximum), and rise/fall times (1ns typical). Signal timing behavior is equivalent, ensuring compatibility in applications with strict timing requirements.

Q: What packaging options are available for the IL 710-2?

A: The IL 710-2 is available in the 8-PDIP (Plastic Dual In-line Package) configuration, which corresponds to the 8-DIP (0.300", 7.62mm) through-hole package. This is the standard packaging for this product line.