MAX4237AESA Equivalent & Substitute Parts

Part Overview

The MAX4237AESA 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 part is classified as obsolete, making equivalent and substitute components necessary for ongoing design support and production continuity. Substitute parts must maintain compatibility across electrical performance parameters, mechanical packaging, and supply voltage specifications.

Substiute Parts

MAX4237AESA

Analog Devices Inc./Maxim IntegratedIn Stock: 1039MAX4237AESA Datasheet

Current PartRFQ

MAX4237AESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2032MAX4237AESA+ Datasheet

DirectRFQ

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 MAX4237AESA is determined by strict equivalence across the following criteria:

Mandatory Compatibility Parameters:

• Package type: 8-SOIC surface mount only
• Output configuration: Rail-to-rail output required
• Single-circuit topology: One amplifier per package
• Supply voltage range: Minimum 2.4 V, maximum 5.5 V (or higher)
• Operating temperature range: Must encompass -40°C to 85°C minimum

Electrical Performance Considerations: Substitute parts must operate within the specified supply voltage window and temperature range. Slew rate, gain bandwidth product, input bias current, and output current drive capability are secondary selection criteria that may vary between substitutes based on application requirements.

Packaging and Compliance: All substitute parts are surface-mount 8-SOIC devices. RoHS3 compliance and MSL rating are provided where applicable. Product status (active, obsolete, or last-time-buy) indicates availability and long-term supply viability.

Parameter Comparison

Engineering Selection Recommendations

MAX4237AESA+ (Direct Variant) This part is a direct packaging variant of the MAX4237AESA, differing only in delivery format (tube packaging versus standard packaging). Electrical and thermal specifications are identical. Product status is obsolete, matching the original part. Selection of this variant is appropriate when tube packaging is required for automated assembly processes.

OPA341UA (Burr Brown) The OPA341UA is an active product offering superior performance characteristics in several parameters: higher slew rate (6 V/µs versus 1.3 V/µs), lower input bias current (0.6 pA versus 1 pA), and lower input offset voltage (2 mV versus 5 µV). Extended operating temperature range (-55°C to 125°C) provides broader environmental coverage. Higher supply current (750 µA) and output current capability (50 mA) may be considerations for power-constrained applications. This part is suitable for designs where improved dynamic performance and long-term availability are priorities.

TLV4110ID (Texas Instruments) The TLV4110ID operates within the required supply voltage and temperature specifications. Product status is last-time-buy, indicating limited future availability. This part exhibits lower slew rate (1.57 V/µs) and gain bandwidth product (2.7 MHz) compared to the original, but provides significantly higher output current capability (320 mA). RoHS3 compliance and MSL rating 1 are confirmed. Selection is appropriate for applications requiring high output current drive where performance trade-offs are acceptable.

TLV4110IDR (Texas Instruments) The TLV4110IDR is electrically identical to the TLV4110ID, with identical electrical specifications and performance parameters. Product status is active, ensuring ongoing availability and supply continuity. Packaging is cut tape and digi-reel format, suitable for high-volume production environments. This part is the preferred Texas Instruments substitute for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Can MAX4237AESA be directly replaced with MAX4237AESA+? A: Yes. Both parts are electrically and thermally identical. The difference is packaging format: MAX4237AESA+ is supplied in tube packaging, while MAX4237AESA uses standard packaging. Selection depends on assembly equipment compatibility.

Q: What is the primary difference between OPA341UA and the original MAX4237AESA? A: The OPA341UA is an active product with improved electrical performance: 6 V/µs slew rate (versus 1.3 V/µs), lower input offset voltage (2 mV versus 5 µV), and extended temperature range (-55°C to 125°C). Supply current is higher at 750 µA. All parts maintain 8-SOIC packaging and rail-to-rail output.

Q: Are TLV4110ID and TLV4110IDR interchangeable? A: Electrically and functionally, yes. Both have identical electrical specifications. The difference is packaging format: TLV4110ID is tube packaged; TLV4110IDR is cut tape and digi-reel. TLV4110IDR is active product status, while TLV4110ID is last-time-buy.

Q: Which substitute offers the best long-term availability? A: TLV4110IDR (Texas Instruments) and OPA341UA (Burr Brown) both have active product status. TLV4110IDR has the highest current inventory (23,829 pcs) and is recommended for new designs requiring supply continuity.

Q: Can these substitutes operate at 2.4 V minimum supply voltage? A: MAX4237AESA+ operates at 2.4 V minimum. OPA341UA, TLV4110ID, and TLV4110IDR require minimum 2.5 V. For applications requiring 2.4 V operation, only MAX4237AESA+ is suitable.

Q: What is the output current capability difference between substitutes? A: MAX4237AESA and MAX4237AESA+ provide 30 mA per channel. OPA341UA provides 50 mA. TLV4110ID and TLV4110IDR provide 320 mA. Selection depends on load current requirements.

Q: Are all substitutes RoHS3 compliant? A: MAX4237AESA+, TLV4110ID, and TLV4110IDR are confirmed RoHS3 compliant. OPA341UA compliance status is not specified in available documentation.

Q: Which substitute has the lowest power consumption? A: MAX4237AESA and MAX4237AESA+ have the lowest supply current at 350 µA. OPA341UA and TLV4110 variants consume 750 µA and 700 µA respectively.