MAX4433ESA-T Equivalent & Substitute Parts

Part Overview

The MAX4433ESA-T is a general purpose operational amplifier featuring 2 circuits in an 8-SOIC surface mount package, manufactured by Analog Devices Inc./Maxim Integrated. This device is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement continuity. The MAX4433ESA-T delivers a slew rate of 145 V/µs and -3dB bandwidth of 215 MHz, with dual-channel supply current of 11 mA per channel and maximum output current of 60 mA per channel. The part operates across a supply voltage range of 9 V to 11 V and temperature range of -40°C to 85°C.

Substiute Parts

MAX4433ESA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 964MAX4433ESA-T Datasheet

Current PartRFQ

AD8058ARZ

Analog Devices Inc.In Stock: 1404AD8058ARZ Datasheet

MFR RecommendedRFQ

AD8202WYRZ

Analog Devices Inc.In Stock: 2183AD8202WYRZ Datasheet

MFR RecommendedRFQ

TL072CDT

STMicroelectronicsIn Stock: 203221TL072CDT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX4433ESA-T is determined by the following critical parameters: package type (8-SOIC surface mount), number of circuits (2), operating temperature range (-40°C to 85°C), supply voltage compatibility, and RoHS3 compliance. The substitute parts listed below maintain the same physical package footprint and pinout compatibility while offering varying amplifier topologies and performance characteristics.

The AD8058ARZ provides voltage feedback amplification with enhanced bandwidth and slew rate performance, suitable for applications requiring higher frequency response. The AD8202WYRZ operates as a differential amplifier with single circuit configuration and automotive-grade qualification, appropriate for specialized signal conditioning applications. The TL072CDT employs J-FET input topology with extended supply voltage range and automotive qualification, offering alternative input characteristics for low-noise applications.

All substitute parts maintain 8-SOIC packaging, surface mount configuration, RoHS3 compliance, and MSL Level 1 moisture sensitivity rating.

Parameter Comparison

Engineering Selection Recommendations

AD8058ARZ is recommended for applications requiring active product status with maintained dual-circuit configuration and enhanced performance metrics. This part delivers 1150 V/µs slew rate and 325 MHz bandwidth, exceeding MAX4433ESA-T specifications. Supply voltage range of 3 V to 12 V provides broader flexibility than the original 9 V to 11 V specification. Input bias current reduces to 500 nA, and supply current increases to 14 mA. Operating temperature range matches the original part at -40°C to 85°C. ROHS3 compliance and MSL Level 1 rating are maintained.

AD8202WYRZ is suitable for differential amplification applications requiring automotive-grade qualification and extended temperature operation to 125°C. This part features single circuit configuration, significantly reduced supply current of 250 µA, and extremely low input bias current of 40 nA. Slew rate of 0.28 V/µs and gain bandwidth product of 50 kHz indicate suitability for low-frequency precision applications rather than high-speed signal processing. Supply voltage range of 3.5 V to 12 V accommodates the original specification.

TL072CDT is appropriate for applications benefiting from J-FET input topology, offering exceptionally low input bias current of 20 pA and extended supply voltage range to 36 V. This part maintains dual-circuit configuration and automotive qualification with AEC-Q100 certification. Operating temperature range of 0°C to 70°C is narrower than the original specification. Slew rate of 16 V/µs and gain bandwidth product of 4 MHz indicate lower frequency performance. Supply current of 1.4 mA is substantially lower than the original part.

Frequently Asked Questions (FAQ)

Q: Can the AD8058ARZ directly replace the MAX4433ESA-T in all applications?

A: The AD8058ARZ maintains identical 8-SOIC package configuration and dual-circuit topology, enabling direct pinout compatibility. However, performance characteristics differ significantly. The AD8058ARZ provides higher slew rate (1150 V/µs vs. 145 V/µs) and bandwidth (325 MHz vs. 215 MHz), lower input bias current (500 nA vs. 11 µA), and broader supply voltage range (3 V to 12 V vs. 9 V to 11 V). Applications sensitive to these parameter changes require circuit validation.

Q: Why does the AD8202WYRZ have only one circuit instead of two?

A: The AD8202WYRZ is a differential amplifier topology designed for specialized signal conditioning applications requiring precision differential input processing. Single-circuit configuration reflects its functional design. Applications requiring dual independent amplifiers should select AD8058ARZ or TL072CDT, both offering two-circuit configurations.

Q: Is the TL072CDT suitable for high-temperature applications?

A: The TL072CDT operating temperature range of 0°C to 70°C does not extend to the -40°C minimum or 85°C maximum of the original MAX4433ESA-T. Applications requiring full -40°C to 85°C operation should select AD8058ARZ, which maintains this temperature specification. The AD8202WYRZ extends to 125°C maximum, exceeding the original specification.

Q: What is the significance of J-FET input topology in the TL072CDT?

A: J-FET input topology provides extremely low input bias current (20 pA) compared to the MAX4433ESA-T (11 µA) and other substitutes. This characteristic is advantageous for high-impedance signal sources and precision measurement applications where input loading must be minimized. However, J-FET devices typically exhibit higher input offset voltage (3 mV vs. 1.25 mV) and lower bandwidth performance.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts—AD8058ARZ, AD8202WYRZ, and TL072CDT—maintain ROHS3 compliance and MSL Level 1 moisture sensitivity rating, matching the original MAX4433ESA-T specifications. This ensures compatibility with modern manufacturing and environmental requirements.

Q: What supply voltage considerations apply when substituting these parts?

A: The MAX4433ESA-T operates within 9 V to 11 V supply range. The AD8058ARZ accepts 3 V to 12 V, providing broader flexibility. The AD8202WYRZ operates from 3.5 V to 12 V, and the TL072CDT extends to 36 V maximum. Designs operating at the original 9 V to 11 V specification are compatible with all substitutes. Designs utilizing lower supply voltages below 9 V require AD8058ARZ or AD8202WYRZ. Designs requiring supply voltages above 12 V require TL072CDT.

Q: How do supply current requirements differ among these parts?

A: The MAX4433ESA-T draws 11 mA per channel (22 mA total for dual circuits). The AD8058ARZ draws 14 mA total. The AD8202WYRZ draws only 250 µA, substantially lower due to single-circuit configuration and differential topology. The TL072CDT draws 1.4 mA total. Power-sensitive applications benefit from AD8202WYRZ or TL072CDT, while applications requiring higher output current capability should verify the 60 mA per channel specification of the original part against substitute specifications.