MAX4237BESA-T Equivalent & Substitute Parts

Part Overview

The MAX4237BESA-T is a general purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-SOIC surface mount package. This device features rail-to-rail output capability and is designed for applications requiring low-power, single-circuit amplification. The product is currently classified as obsolete, making identification of functionally equivalent alternatives essential for design continuity and procurement planning. Substitute parts must maintain compatibility across electrical performance parameters, package form factor, and operating specifications to ensure direct replacement capability.

Substiute Parts

MAX4237BESA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 816MAX4237BESA-T Datasheet

Current PartRFQ

OPA341UA

Burr BrownIn Stock: 6764OPA341UA Datasheet

MFR RecommendedRFQ

TLV4110ID

Texas InstrumentsIn Stock: 1242TLV4110ID Datasheet

MFR RecommendedRFQ

TLV4110IDR

Texas InstrumentsIn Stock: 23842TLV4110IDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4237BESA-T is determined by the following mandatory criteria:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure PCB layout and assembly process compatibility.

Functional Classification: Substitute parts must be classified as general purpose operational amplifiers with single-circuit configuration and rail-to-rail output capability.

Electrical Operating Range: Substitute parts must support a minimum supply voltage of 2.4 V and maximum supply voltage of 5.5 V to maintain compatibility with existing power distribution designs. Operating temperature range must encompass or exceed the -40°C ~ 85°C specification of the main part.

Performance Parameters: While exact parameter matching is not required for substitution, substitute parts must not introduce performance degradation in critical application-dependent parameters such as slew rate, gain bandwidth product, input bias current, and output current capability.

The three identified substitute parts—OPA341UA, TLV4110ID, and TLV4110IDR—satisfy these core substitution criteria through identical package specifications, matching functional classification, and compatible electrical operating ranges.

Parameter Comparison

Engineering Selection Recommendations

OPA341UA (Burr Brown): This substitute is classified as active product status, ensuring long-term availability and manufacturing support. The OPA341UA maintains full compatibility with the 8-SOIC package and rail-to-rail output specification. The device operates across an extended temperature range (-55°C ~ 125°C), providing margin beyond the MAX4237BESA-T requirement. Supply voltage range compatibility is confirmed at 2.5 V minimum and 5.5 V maximum. The OPA341UA exhibits superior slew rate performance (6.0 V/µs) compared to the main part, which may provide performance benefits in bandwidth-sensitive applications. Input bias current is lower (0.6 pA), though input offset voltage is higher (2 mV). Supply current consumption is elevated at 750 µA. This part is suitable for applications where extended temperature operation and active product status are prioritized.

TLV4110ID (Texas Instruments): This substitute carries a Last Time Buy product status, indicating limited future availability. The TLV4110ID provides full package and functional compatibility with 8-SOIC surface mount configuration and rail-to-rail output. Supply voltage range extends to 6.0 V maximum, exceeding the MAX4237BESA-T specification. Operating temperature range extends to 125°C maximum. The device demonstrates lower slew rate (1.57 V/µs) and reduced gain bandwidth product (2.7 MHz) relative to the main part. Output current capability is significantly higher at 320 mA. This part is suitable for applications where extended output current drive is required, with the understanding that Last Time Buy status limits procurement windows.

TLV4110IDR (Texas Instruments): This substitute is classified as active product status with the highest inventory availability (23,829 pcs). The TLV4110IDR is electrically and functionally identical to TLV4110ID, differentiated only by packaging format (Cut Tape & Digi-Reel versus Tube). Full compatibility is maintained across package specification, rail-to-rail output, and electrical operating range. Supply voltage range extends to 6.0 V maximum. Operating temperature range extends to 125°C maximum. RoHS3 compliance and MSL 1 rating are confirmed. This part is recommended for new designs and high-volume procurement due to active product status and superior inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the MAX4237BESA-T be directly replaced with OPA341UA without PCB modification?

A: Yes. Both devices use identical 8-SOIC (0.154", 3.90mm Width) surface mount packages with matching pin configurations for general purpose operational amplifier circuits. No PCB layout changes are required for physical substitution. Electrical parameter differences must be evaluated against specific application requirements.

Q: What is the primary difference between TLV4110ID and TLV4110IDR?

A: TLV4110ID and TLV4110IDR are electrically and functionally identical. The distinction is packaging format: TLV4110ID is supplied in Tube packaging, while TLV4110IDR is supplied in Cut Tape & Digi-Reel format. Both use the same 8-SOIC package. Selection depends on assembly process requirements and inventory management preferences.

Q: Is the OPA341UA suitable for applications requiring the full -40°C ~ 85°C operating range of the MAX4237BESA-T?

A: Yes. The OPA341UA operates across -55°C ~ 125°C, which encompasses and exceeds the -40°C ~ 85°C requirement of the MAX4237BESA-T. The extended temperature range provides additional operational margin.

Q: What are the supply voltage compatibility considerations when substituting these parts?

A: The MAX4237BESA-T operates at 2.4 V minimum supply voltage. OPA341UA requires 2.5 V minimum, while both TLV4110 variants require 2.5 V minimum. If the application uses supply voltages between 2.4 V and 2.5 V, only the MAX4237BESA-T is suitable. All substitute parts support the 5.5 V maximum specification, with TLV4110 variants extending to 6.0 V maximum.

Q: Which substitute part offers the highest output current capability?

A: Both TLV4110ID and TLV4110IDR provide 320 mA output current per channel, compared to 30 mA for the MAX4237BESA-T and 50 mA for the OPA341UA. Selection of TLV4110 variants is appropriate for applications requiring high output current drive capability.

Q: Are all substitute parts RoHS3 compliant?

A: OPA341UA compliance status is not specified in the provided data. TLV4110ID and TLV4110IDR are both confirmed RoHS3 compliant. The MAX4237BESA-T is RoHS3 compliant. Verify OPA341UA compliance status with the manufacturer if RoHS3 certification is a procurement requirement.

Q: What is the significance of the Last Time Buy status for TLV4110ID?

A: Last Time Buy status indicates that Texas Instruments has announced end-of-life for this product. Existing inventory may be procured, but no new manufacturing runs are planned. For long-term design continuity, TLV4110IDR (active status) is the preferred Texas Instruments alternative.

Q: Can these substitute parts be used interchangeably in existing designs without performance verification?

A: Electrical parameter differences exist across slew rate, gain bandwidth product, input offset voltage, supply current, and output current specifications. Application-specific performance verification is required to confirm that parameter variations do not impact circuit function, stability, or signal integrity. Direct substitution is physically compatible but requires electrical validation.