MAX4166EUA-T Equivalent & Substitute Parts

Part Overview

The MAX4166EUA-T is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, designed for rail-to-rail applications in 8-uMAX/uSOP surface mount packaging. This device is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. The MAX4166EUA-T delivers single-circuit amplification with specified electrical performance across industrial temperature ranges, making substitute selection critical for applications requiring continued component availability.

Substiute Parts

MAX4166EUA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 756MAX4166EUA-T Datasheet

Current PartRFQ

MAX4166EUA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 7431MAX4166EUA+T Datasheet

DirectRFQ

TLV2460AQPWRG4Q1

Texas InstrumentsIn Stock: 721TLV2460AQPWRG4Q1 Datasheet

MFR RecommendedRFQ

TLV2460QPWG4

Texas InstrumentsIn Stock: 698TLV2460QPWG4 Datasheet

MFR RecommendedRFQ

TLV2460QPWRG4Q1

Texas InstrumentsIn Stock: 1099TLV2460QPWRG4Q1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX4166EUA-T is determined by equivalence in the following critical parameters: amplifier type (general purpose), number of circuits (1), output type (rail-to-rail), supply voltage range compatibility (minimum 2.7 V, maximum 6.5 V or higher), operating temperature range, surface mount packaging, and RoHS3 compliance.

The substitute parts are grouped into two categories:

Direct Equivalent (Same Manufacturer): MAX4166EUA+T maintains identical electrical specifications and packaging, differing only in product status (active versus obsolete) and packaging format (Tape & Reel).

Cross-Manufacturer Substitutes (Texas Instruments TLV2460 Series): TLV2460AQPWRG4Q1, TLV2460QPWG4, and TLV2460QPWRG4Q1 provide functional substitution based on matching amplifier type, circuit count, rail-to-rail output, surface mount configuration, and supply voltage compatibility. These parts exhibit variations in slew rate, gain bandwidth product, input bias current, and output current specifications within acceptable engineering tolerances for general-purpose amplifier applications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred for Existing Designs):

MAX4166EUA+T is the primary substitute for MAX4166EUA-T. This part maintains identical electrical specifications and packaging dimensions while offering active product status and improved availability. The transition from tube packaging to Tape & Reel format does not affect electrical performance or PCB assembly compatibility.

For Cross-Manufacturer Substitution (Design Flexibility):

The Texas Instruments TLV2460 series (TLV2460AQPWRG4Q1, TLV2460QPWRG4Q1) provides functional substitution with the following considerations:

TLV2460AQPWRG4Q1 and TLV2460QPWRG4Q1 are both active products with AEC-Q100 automotive qualification, extending operating temperature to 125°C. These parts deliver lower input bias current (1.3 nA versus 50 nA) and reduced supply current (0.55 mA versus 1.3 mA), beneficial for low-power applications. The maximum supply voltage is reduced to 6 V (from 6.5 V), and output current per channel is reduced to 80 mA (from 125 mA). Slew rate is reduced to 1.6 V/µs (from 2 V/µs), and input offset voltage increases to 500 µV (from 350 µV).

TLV2460QPWG4 is discontinued at DiGi Electronics and should not be selected for new designs despite active inventory.

Packaging Consideration:

Texas Instruments TLV2460 parts use 8-TSSOP packaging with 4.40mm width, differing from the MAX4166 8-TSSOP/8-MSOP with 3.00mm width. PCB layout verification is required before substitution.

Frequently Asked Questions (FAQ)

Q: Can MAX4166EUA+T directly replace MAX4166EUA-T without circuit modification?

A: Yes. MAX4166EUA+T maintains identical electrical specifications, supply voltage range, operating temperature range, and pin configuration. The only difference is product status (active versus obsolete) and packaging format (Tape & Reel). No circuit modifications are required.

Q: What are the key differences between MAX4166EUA-T and TLV2460 series substitutes?

A: The primary differences are slew rate (2 V/µs versus 1.6 V/µs), input bias current (50 nA versus 1.3 nA), supply current (1.3 mA versus 0.55 mA), output current capability (125 mA versus 80 mA), and maximum supply voltage (6.5 V versus 6 V). The TLV2460 series offers extended operating temperature (-40°C to 125°C) and automotive qualification (AEC-Q100).

Q: Is PCB layout modification necessary when substituting with TLV2460 series?

A: Yes. The TLV2460 series uses 8-TSSOP packaging with 4.40mm width, while the MAX4166 uses 8-TSSOP/8-MSOP with 3.00mm width. PCB footprint verification and potential layout adjustment are required before substitution.

Q: Which substitute part should be selected for new designs?

A: For new designs requiring maximum compatibility with existing MAX4166 designs, select MAX4166EUA+T. For new designs with flexibility in electrical specifications, TLV2460AQPWRG4Q1 or TLV2460QPWRG4Q1 are preferred due to active product status, automotive qualification, and extended temperature range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. MAX4166EUA+T, TLV2460AQPWRG4Q1, TLV2460QPWG4, and TLV2460QPWRG4Q1 are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level.

Q: What is the impact of reduced output current (80 mA versus 125 mA) when using TLV2460 substitutes?

A: Applications requiring output current exceeding 80 mA per channel cannot use TLV2460 series substitutes. Circuit design must be verified to confirm output current requirements remain within 80 mA specification before substitution.

Q: Can TLV2460QPWG4 be used for new production?

A: No. TLV2460QPWG4 is discontinued at DiGi Electronics and should not be selected for new designs. Use TLV2460AQPWRG4Q1 or TLV2460QPWRG4Q1 instead.