MAX4287ESA+ Equivalent & Substitute Parts

Part Overview

The MAX4287ESA+ is a buffer and voltage feedback amplifier IC manufactured by Analog Devices Inc./Maxim Integrated. This device integrates two independent circuits in an 8-SOIC surface mount package and is designed for applications requiring high-speed buffering and signal conditioning. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement planning.

Substiute Parts

MAX4287ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 787MAX4287ESA+ Datasheet

Current PartRFQ

TLV2322IDR

Texas InstrumentsIn Stock: 6269TLV2322IDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX4287ESA+ is determined by the following critical parameters:

Package Compatibility: Both the main part and substitute must use the 8-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm Width) to ensure PCB footprint compatibility without layout modifications.

Circuit Configuration: The substitute must provide two independent circuits to match the dual-channel architecture of the MAX4287ESA+.

Operating Temperature Range: The substitute must support the full industrial temperature range of -40°C to 85°C.

Supply Voltage Range: The substitute must operate within or encompass the supply voltage specifications of the main part (2.85V to 6.5V minimum to maximum).

Regulatory Compliance: The substitute must maintain ROHS3 compliance and MSL Level 1 rating to ensure compatibility with modern manufacturing and storage requirements.

The TLV2322IDR from Texas Instruments satisfies all mandatory substitution criteria through identical package geometry, dual-circuit configuration, matching temperature range, compatible supply voltage envelope, and equivalent regulatory certifications.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MAX4287ESA+ is classified as obsolete. The TLV2322IDR is an active product from a major manufacturer, ensuring continued availability, technical support, and manufacturing consistency for new designs and production runs.

Compliance and Certification: Both parts maintain ROHS3 compliance and MSL Level 1 ratings, confirming compatibility with current manufacturing standards and storage protocols. Both are classified under ECCN EAR99 and HTSUS 8542.33.0001, indicating equivalent regulatory treatment.

Package and Mounting: Identical 8-SOIC surface mount packages with matching physical dimensions (0.154", 3.90mm Width) enable direct PCB footprint compatibility without layout redesign.

Supply Voltage Compatibility: The TLV2322IDR supply voltage range (2V to 8V) encompasses the MAX4287ESA+ range (2.85V to 6.5V), ensuring operation across all specified supply conditions of the original design.

Operating Temperature: Both parts support the full industrial temperature range of -40°C to 85°C, maintaining thermal performance specifications across equivalent environmental conditions.

Frequently Asked Questions (FAQ)

Q: Can the TLV2322IDR be used as a direct replacement for the MAX4287ESA+ without PCB modifications?

A: Yes. Both parts use identical 8-SOIC surface mount packages with matching physical dimensions (0.154", 3.90mm Width). Pin-to-pin compatibility and footprint alignment enable direct substitution without PCB layout changes.

Q: What are the key differences between the MAX4287ESA+ and TLV2322IDR?

A: The primary differences are amplifier topology (Buffer/Voltage Feedback versus CMOS), slew rate (385 V/µs versus 0.03 V/µs), and input bias current (13 µA versus 0.6 pA). The TLV2322IDR exhibits significantly lower input bias current and supply current, while the MAX4287ESA+ provides higher slew rate and bandwidth performance. Product status differs: MAX4287ESA+ is obsolete; TLV2322IDR is active.

Q: Are there any supply voltage considerations when substituting these parts?

A: The TLV2322IDR operates across a wider supply voltage range (2V to 8V) compared to the MAX4287ESA+ (2.85V to 6.5V). Designs operating within the MAX4287ESA+ range will function correctly with the TLV2322IDR. Designs requiring operation below 2.85V or above 6.5V must verify compatibility with the TLV2322IDR specifications.

Q: Do both parts meet current RoHS and environmental compliance requirements?

A: Yes. Both the MAX4287ESA+ and TLV2322IDR are ROHS3 compliant with MSL Level 1 ratings. Both are REACH unaffected and classified under identical ECCN and HTSUS codes, confirming equivalent regulatory status.

Q: What is the inventory status of these parts?

A: The MAX4287ESA+ has 752 pieces in stock as new original inventory. The TLV2322IDR has 6,215 pieces in stock as new original inventory in Tape & Reel packaging, providing significantly greater availability for procurement.

Q: Are there performance trade-offs when using the TLV2322IDR as a substitute?

A: Performance characteristics differ between the two architectures. The TLV2322IDR provides lower input bias current and reduced supply current consumption, beneficial for low-power applications. The MAX4287ESA+ offers higher slew rate and bandwidth, suitable for high-speed signal conditioning. Application-specific performance requirements must be evaluated against the parameter comparison table.