MAX4237BESA+ Equivalent & Substitute Parts Reference

Part Overview

The MAX4237BESA+ 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, necessitating identification of functionally equivalent alternatives for ongoing design support and component procurement.

Substiute Parts

MAX4237BESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1014MAX4237BESA+ 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 of the MAX4237BESA+ is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Package type: 8-SOIC surface mount form factor (0.154", 3.90mm Width)
• Functional classification: General-purpose operational amplifier with single circuit
• Output configuration: Rail-to-rail output capability
• Supply voltage compatibility: Minimum 2.4V to maximum 5.5V operating range
• Mounting technology: Surface mount

Secondary Compatibility Parameters:

• Operating temperature range must encompass or exceed -40°C to 85°C
• Slew rate, gain bandwidth product, and output current drive capability must meet or exceed application requirements
• Input bias current and input offset voltage specifications must be compatible with circuit design tolerances

The substitute parts identified (OPA341UA, TLV4110ID, TLV4110IDR) satisfy all primary criteria and maintain electrical compatibility within the specified parameter ranges.

Parameter Comparison

Engineering Selection Recommendations

OPA341UA (Burr Brown): This substitute is actively manufactured and available in high inventory (6701 pcs). The device maintains full electrical compatibility with the MAX4237BESA+ across all primary substitution criteria. The OPA341UA operates within the required supply voltage range (2.5V to 5.5V) and provides enhanced slew rate performance (6.0V/µs versus 1.3V/µs). Extended operating temperature range (-55°C to 125°C) exceeds the original specification. Selection of this part is appropriate for applications where higher slew rate performance is beneficial or where extended temperature operation is required.

TLV4110ID (Texas Instruments): This substitute carries a Last Time Buy product status, indicating limited future availability. The device is packaged in tube format and maintains compatibility with the MAX4237BESA+ across all primary substitution criteria. The TLV4110ID operates within an expanded supply voltage range (2.5V to 6.0V) and provides significantly higher output current capability (320mA versus 30mA). Extended operating temperature range (-40°C to 125°C) exceeds the original specification. Selection of this part is appropriate for applications requiring higher output drive capability, with consideration given to procurement timeline constraints due to Last Time Buy status.

TLV4110IDR (Texas Instruments): This substitute is actively manufactured with substantial inventory availability (23829 pcs) and is packaged in cut tape and Digi-Reel format. The device maintains full electrical compatibility with the MAX4237BESA+ across all primary substitution criteria. Electrical specifications are identical to TLV4110ID. The TLV4110IDR is the preferred Texas Instruments substitute due to active product status and superior inventory position. Selection of this part is appropriate for high-volume procurement and applications requiring higher output current capability.

All substitute parts comply with ROHS3 requirements and maintain MSL 1 (Unlimited) moisture sensitivity classification, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can the MAX4237BESA+ be directly replaced with OPA341UA in existing PCB designs?

A: Yes. Both devices are housed in identical 8-SOIC surface mount packages with 0.154" (3.90mm) width. Pin-to-pin compatibility is maintained. The OPA341UA operates within the required supply voltage range and maintains rail-to-rail output configuration. No PCB layout modifications are required.

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

A: Both devices are manufactured by Texas Instruments with identical electrical specifications. The primary difference is packaging format: TLV4110ID is supplied in tube packaging, while TLV4110IDR is supplied in cut tape and Digi-Reel format. Electrical performance and pin configuration are identical. Selection between these variants depends on procurement and assembly process requirements.

Q: Does the OPA341UA meet the original operating temperature specification of -40°C to 85°C?

A: Yes. The OPA341UA operates across -55°C to 125°C, which encompasses and exceeds the original -40°C to 85°C specification. The device is suitable for applications requiring the original temperature range and provides additional margin for extended temperature operation.

Q: Are all substitute parts RoHS3 compliant?

A: TLV4110ID and TLV4110IDR are explicitly certified as ROHS3 compliant. The OPA341UA does not specify RoHS status in the provided data. For applications requiring RoHS3 compliance verification, TLV4110ID or TLV4110IDR are the recommended selections.

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

A: Both TLV4110ID and TLV4110IDR provide 320mA output current per channel, compared to 30mA for the MAX4237BESA+. The OPA341UA provides 50mA output current. Selection depends on application output drive requirements.

Q: Can these substitute parts be used interchangeably in the same design?

A: All three substitute parts maintain compatibility with the MAX4237BESA+ across primary substitution criteria (package, supply voltage range, rail-to-rail output, single circuit configuration). However, differences in slew rate, gain bandwidth product, and output current capability may affect circuit performance. Circuit-level validation is required when substituting between different manufacturers or when application performance margins are critical.

Q: What is the moisture sensitivity level for all substitute parts?

A: TLV4110ID and TLV4110IDR are rated MSL 1 (Unlimited), matching the original MAX4237BESA+ specification. The OPA341UA does not specify MSL in the provided data. MSL 1 classification permits unlimited shelf life under standard storage conditions without baking requirements prior to assembly.