MAX4075AGEUA Equivalent & Substitute Parts

Part Overview

The MAX4075AGEUA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring dual circuits in a rail-to-rail configuration. This device is classified as Obsolete and is no longer in active production. The part operates across a 2.5V to 5.5V supply range with a gain bandwidth product of 4 MHz and is housed in an 8-uMAX-EP package.

Due to its obsolete status, identifying functionally equivalent substitute parts is necessary for design continuity, production support, and long-term component availability. Substitute parts must maintain compatibility with the electrical specifications and mechanical form factor of the original design.

Key Parameters

Parameter	MAX4075AGEUA
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Slew Rate	0.1 V/µs
Gain Bandwidth Product	4 MHz
-3dB Bandwidth	135 kHz
Current - Input Bias	0.8 pA
Voltage - Input Offset	200 µV
Current - Supply	37 µA (x2 Channels)
Current - Output / Channel	22 mA
Voltage - Supply Span (Min)	2.5 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C to 70°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MAX4075AGEUA are selected based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Dual-circuit configuration (2 circuits minimum)
Rail-to-rail output capability
Surface mount package with 8-pin TSSOP/MSOP footprint (0.118", 3.00mm width)
Supply voltage range compatibility (minimum 2.5V, maximum 5.5V)
General-purpose amplifier classification
Operating temperature range support (-40°C minimum)

Secondary Compatibility Factors:

Gain bandwidth product in the range of 1 MHz to 6.25 MHz
Input bias current in the picoampere to nanoampere range
Output current capability of 22 mA or greater per channel
Supply current per channel of 37 µA to 700 µA

The substitute parts are grouped into two categories based on amplifier type and performance characteristics: general-purpose amplifiers (ISL28213FUZ-T7, LMV358 variants) and specialized amplifiers (LME49726 audio amplifiers, LMP2022 zero-drift amplifiers). Each substitute maintains the dual-circuit, rail-to-rail, surface-mount architecture required for direct replacement consideration.

Parameter Comparison

Parameter	MAX4075AGEUA	ISL28213FUZ-T7	LME49726MY/NOPB	LMP2022MM/NOPB	LMV358Q1MM/NOPB
Manufacturer	Analog Devices	Renesas Electronics	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	General Purpose	Audio	Zero-Drift	General Purpose
Number of Circuits	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	—	Rail-to-Rail
Slew Rate (V/µs)	0.1	1	3.7	2.6	1
Gain Bandwidth Product (MHz)	4	2	6.25	5	1
Current - Input Bias	0.8 pA	3 pA	0.2 pA	25 pA	15 nA
Voltage - Input Offset	200 µV	500 µV	500 µV	0.4 µV	1.7 mV
Current - Supply (x2 Channels)	37 µA	90 µA	700 µA	1.1 mA	210 µA
Current - Output / Channel (mA)	22	22	350	50	160
Voltage - Supply Span (Min)	2.5 V	1.8 V	2.5 V	2.2 V	2.7 V
Voltage - Supply Span (Max)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Operating Temperature (Min)	-40°C	-40°C	-40°C	-40°C	-40°C
Operating Temperature (Max)	70°C	125°C	85°C	125°C	125°C
Package / Case	8-TSSOP, 8-MSOP Exposed Pad	8-MSOP	8-HVSSOP Exposed Pad	8-VSSOP	8-VSSOP
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

ISL28213FUZ-T7 (Renesas Electronics)

The ISL28213FUZ-T7 is an active general-purpose dual-circuit amplifier with rail-to-rail output in an 8-MSOP package. This part maintains electrical compatibility with the MAX4075AGEUA across the critical parameters: dual circuits, rail-to-rail output, 2.5V to 5.5V supply range, and 22 mA output current per channel. The ISL28213FUZ-T7 is in active production status and is ROHS3 compliant. The slew rate (1 V/µs) and gain bandwidth product (2 MHz) differ from the original, but remain within acceptable ranges for general-purpose applications. This substitute is suitable for designs where the lower slew rate and bandwidth are acceptable.

LME49726MY/NOPB and LME49726MYX/NOPB (Texas Instruments)

The LME49726 series are audio-grade dual-circuit amplifiers with rail-to-rail output in an 8-HVSSOP package. These parts are active and ROHS3 compliant. The LME49726 variants provide higher slew rate (3.7 V/µs) and gain bandwidth product (6.25 MHz) compared to the MAX4075AGEUA, with superior input bias current (0.2 pA). However, the supply current per channel is significantly higher (700 µA vs. 37 µA), and output current capability is substantially greater (350 mA vs. 22 mA). The LME49726 is classified as an audio amplifier rather than general-purpose. These parts are suitable for applications requiring higher performance and output drive capability, with the understanding that power consumption will increase.

LMP2022MM/NOPB, LMP2022MME/NOPB, and LMP2022MMX/NOPB (Texas Instruments)

The LMP2022 series are zero-drift dual-circuit amplifiers in an 8-VSSOP package. These parts are active and ROHS3 compliant. The LMP2022 variants provide exceptional input offset voltage (0.4 µV vs. 200 µV) and gain bandwidth product (5 MHz), with extended operating temperature range to 125°C. The supply current per channel is higher (1.1 mA vs. 37 µA), and output current capability is greater (50 mA vs. 22 mA). The zero-drift architecture is suitable for precision applications where input offset voltage stability is critical. These parts are appropriate for designs requiring low offset voltage and extended temperature operation.

LMV358Q1MM/NOPB, LMV358Q1MMX/NOPB, LMV358Q3MM/NOPB, and LMV358Q3MMX/NOPB (Texas Instruments)

The LMV358 series are general-purpose dual-circuit amplifiers with rail-to-rail output in an 8-VSSOP package. All variants are active and ROHS3 compliant. The LMV358 parts carry automotive qualification (AEC-Q100) and are available in both -40°C to 125°C and -40°C to 85°C temperature grades. The LMV358 variants maintain the general-purpose classification and dual-circuit, rail-to-rail architecture of the MAX4075AGEUA. The slew rate (1 V/µs) and gain bandwidth product (1 MHz) are lower than the original, but the supply current per channel (210 µA) and output current capability (160 mA) are higher. These parts are suitable for general-purpose applications and are particularly appropriate for automotive-grade designs.

Compliance and Production Status Considerations

All substitute parts listed are in active production status, ensuring long-term availability and supply chain stability. All substitutes are ROHS3 compliant, addressing environmental and regulatory requirements that the obsolete MAX4075AGEUA does not meet. The LMV358 variants carry AEC-Q100 automotive qualification, providing additional assurance for automotive applications.

Frequently Asked Questions (FAQ)

Q1: Can the ISL28213FUZ-T7 directly replace the MAX4075AGEUA in all applications?

The ISL28213FUZ-T7 maintains compatibility in package footprint (8-MSOP), dual-circuit configuration, rail-to-rail output, and supply voltage range (2.5V to 5.5V). However, the slew rate is 10 times higher (1 V/µs vs. 0.1 V/µs) and the gain bandwidth product is lower (2 MHz vs. 4 MHz). Direct replacement is suitable for applications where these performance differences are acceptable. Circuit simulation or bench testing is recommended for timing-critical or high-frequency applications.

Q2: What is the primary difference between the LME49726 audio amplifiers and the general-purpose LMV358 amplifiers?

The LME49726 is classified as an audio amplifier with higher slew rate (3.7 V/µs), higher gain bandwidth product (6.25 MHz), and significantly higher output current capability (350 mA per channel). The LMV358 is a general-purpose amplifier with lower slew rate (1 V/µs), lower gain bandwidth product (1 MHz), and moderate output current capability (160 mA per channel). The LME49726 is optimized for audio signal processing and high-current output applications, while the LMV358 is optimized for low-power, general-purpose signal conditioning.

Q3: Why does the LMP2022 have such low input offset voltage compared to the MAX4075AGEUA?

The LMP2022 employs zero-drift architecture, which uses internal chopper-stabilization techniques to continuously cancel input offset voltage errors. This results in input offset voltage of 0.4 µV compared to 200 µV for the MAX4075AGEUA. Zero-drift amplifiers are suitable for precision measurement and instrumentation applications where offset voltage stability is critical. The trade-off is higher supply current consumption (1.1 mA vs. 37 µA per channel pair).

Q4: Are the LMV358Q1 and LMV358Q3 variants interchangeable?

The LMV358Q1 and LMV358Q3 variants are electrically identical except for operating temperature range. The LMV358Q1 operates from -40°C to 125°C, while the LMV358Q3 operates from -40°C to 85°C. Both carry AEC-Q100 automotive qualification. Selection between these variants depends on the maximum operating temperature requirement of the application. For applications operating above 85°C, the LMV358Q1 is required.

Q5: What is the significance of the 8-HVSSOP package used by the LME49726 compared to the 8-VSSOP package used by other substitutes?

The 8-HVSSOP (High Voltage Small Outline Package) is a variant of the 8-pin small outline package with enhanced thermal characteristics and exposed pad design. The 8-VSSOP (Very Small Outline Package) is a standard 8-pin small outline package. Both packages maintain the 0.118" (3.00mm) width and are compatible with standard surface-mount assembly processes. The HVSSOP provides improved thermal dissipation, which is beneficial for the LME49726 due to its higher supply current (700 µA per channel pair).

Q6: Can the MAX4075AGEUA be used in new designs, or should substitutes be selected?

The MAX4075AGEUA is classified as obsolete and is no longer in active production. While existing inventory may be available, new designs should incorporate active, in-production substitute parts to ensure long-term supply chain stability and compliance with current environmental regulations (ROHS3). The substitute parts listed provide equivalent or superior functionality with the added benefit of active production status and regulatory compliance.

Q7: How do I determine which substitute part is most appropriate for my application?

Selection depends on three primary factors: (1) amplifier type requirement (general-purpose, audio, or zero-drift), (2) performance specifications (slew rate, bandwidth, offset voltage), and (3) operating conditions (temperature range, supply voltage, output current). For general-purpose applications with standard performance requirements, the LMV358 series is recommended. For audio or high-current applications, the LME49726 is recommended. For precision applications requiring low offset voltage, the LMP2022 is recommended. For applications requiring extended supply voltage range below 2.5V, the ISL28213FUZ-T7 is recommended.

Q8: What is the impact of higher supply current consumption in substitute parts?

Higher supply current increases power dissipation and heat generation. For battery-powered or power-constrained applications, this may be a limiting factor. The MAX4075AGEUA consumes 37 µA per channel pair, while substitutes range from 90 µA (ISL28213FUZ-T7) to 1.1 mA (LMP2022). For applications where power consumption is critical, the ISL28213FUZ-T7 or LMV358 variants are preferred over the LMP2022 or LME49726.

Q9: Are all substitute parts available in multiple packaging options?

Yes. The LMP2022 and LMV358 series are available in multiple packaging formats: Cut Tape (CT) & Digi-Reel, and Tape & Reel (TR). The ISL28213FUZ-T7 is available in Tape & Reel format. The LME49726 is available in both Tape & Reel and Cut Tape & Digi-Reel formats. Packaging selection depends on production volume and assembly process requirements.

Q10: What certifications or qualifications should I verify before selecting a substitute part?

All substitute parts listed are ROHS3 compliant and carry REACH Unaffected status. The LMV358 variants carry AEC-Q100 automotive qualification, which is required for automotive applications. For applications requiring specific industry certifications or qualifications beyond ROHS3 compliance, verify the substitute part's datasheet and qualification documentation against application requirements.

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