MAX4275AGEUA+ Equivalent & Substitute Parts

Part Overview

The MAX4275AGEUA+ is a general purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring dual circuits in an 8-uMAX-EP package with rail-to-rail output capability. This device is classified as Obsolete product status, making identification of equivalent and substitute parts essential for ongoing design support and production continuity.

The MAX4275AGEUA+ operates across a 2.5V to 5.5V supply range with a gain bandwidth product of 2 MHz and slew rate of 0.7V/µs. Due to its obsolescence, active alternative components from manufacturers including Texas Instruments, Rohm Semiconductor, and Diodes Incorporated provide functional equivalency for new designs and production requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Gain Bandwidth Product	2	MHz
Slew Rate	0.7	V/µs
Voltage - Input Offset	500	µV
Current - Input Bias	50	pA
Current - Supply (per channel)	355	µA
Current - Output / Channel	65	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature Range	-40 to 85	°C
Mounting Type	Surface Mount	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MAX4275AGEUA+ is determined by the following critical parameters that must align with the original design requirements:

Primary Substitution Criteria:

Dual-circuit configuration (2 circuits per package)
Rail-to-rail output capability
Supply voltage range compatibility (minimum 2.5V, maximum 5.5V)
Operating temperature range (-40°C to 85°C or extended)
Surface mount 8-pin package (8-TSSOP, 8-MSOP, or 8-VSSOP variants)
Gain bandwidth product (2 MHz nominal, with tolerance for ±25% variation acceptable in general purpose applications)
Slew rate (0.7V/µs nominal, with lower values acceptable for non-time-critical circuits)
Input offset voltage (500 µV maximum)
Output current capability (minimum 65 mA per channel)

Secondary Compatibility Factors:

RoHS3 compliance and REACH unaffected status
Moisture sensitivity level (MSL 1 preferred for unlimited shelf life)
Active product status for long-term availability

Substitute parts are grouped into two functional categories: General Purpose Amplifiers (BU7442 series, LMR358, LMV552, LMV772) and CMOS Amplifiers (AZV832, BU7462 series). Audio-grade amplifiers (LME49726) are included for applications requiring enhanced performance specifications.

Parameter Comparison

Parameter	MAX4275AGEUA+	AZV832MMTR-G1	BU7442FVM-TR	BU7442SFVM-TR	BU7462FVM-TR	BU7462SFVM-TR	LME49726MYX/NOPB	LMR358FVJ-GE2	LMV552MM/NOPB	LMV552MMX/NOPB	LMV772MM/NOPB
Manufacturer	Analog Devices	Diodes Inc.	Rohm Semi.	Rohm Semi.	Rohm Semi.	Rohm Semi.	Texas Inst.	Rohm Semi.	Texas Inst.	Texas Inst.	Texas Inst.
Amplifier Type	General Purpose	CMOS	General Purpose	General Purpose	CMOS	CMOS	Audio	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Not Specified	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Differential, Rail-to-Rail
Gain Bandwidth Product (MHz)	2	1	0.6	0.6	1	1	6.25	3	3	3	3.5
Slew Rate (V/µs)	0.7	0.45	0.3	0.3	1	1	3.7	1	1	1	1.4
Input Offset Voltage (µV)	500	500	1000	1000	1000	1000	500	100	1000	1000	250
Input Bias Current (pA)	50	1	1	1	1	1	0.2	15000	20000	20000	0.23
Supply Current per Channel (µA)	355	70	100	100	300	300	700	210	37	37	600
Output Current per Channel (mA)	65	185	10	10	12	12	350	60	25	25	75
Supply Voltage Min (V)	2.5	1.6	1.7	1.7	1.7	1.7	2.5	2.7	2.7	2.7	2.7
Supply Voltage Max (V)	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Operating Temperature Min (°C)	-40	-40	-40	-40	-40	-40	-40	-40	-40	-40	-40
Operating Temperature Max (°C)	85	85	85	105	85	105	85	85	125	125	125
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-MSOP	8-VSSOP, 8-MSOP (0.110", 2.80mm)	8-VSSOP, 8-MSOP (0.110", 2.80mm)	8-VSSOP, 8-MSOP (0.110", 2.80mm)	8-VSSOP, 8-MSOP (0.110", 2.80mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes for Direct Replacement:

The BU7442FVM-TR and BU7442SFVM-TR (Rohm Semiconductor) represent the closest functional equivalents to the MAX4275AGEUA+. Both devices feature general purpose amplifier topology, dual circuits, rail-to-rail output, and identical supply voltage range (1.7V to 5.5V, which encompasses the original 2.5V to 5.5V specification). The BU7442SFVM-TR extends the operating temperature range to 105°C, providing enhanced thermal performance. Both variants maintain ROHS3 compliance and MSL 1 moisture sensitivity rating. The primary trade-off is reduced gain bandwidth product (600 kHz versus 2 MHz) and slew rate (0.3V/µs versus 0.7V/µs), which is acceptable for general purpose applications not requiring high-frequency performance.

Secondary Substitutes for Performance-Enhanced Applications:

The LMR358FVJ-GE2 (Rohm Semiconductor) provides improved gain bandwidth product (3 MHz) and slew rate (1V/µs) compared to the original device, with superior input offset voltage specification (100 µV). This device is suitable for applications requiring faster transient response. The LMV552MM/NOPB and LMV552MMX/NOPB (Texas Instruments) offer extended operating temperature range to 125°C with significantly reduced supply current (37 µA per channel), making them ideal for low-power applications. Both maintain 3 MHz gain bandwidth product and 1V/µs slew rate.

High-Performance Alternative:

The LMV772MM/NOPB (Texas Instruments) delivers the highest gain bandwidth product (3.5 MHz) and slew rate (1.4V/µs) among general purpose substitutes, with exceptional input bias current specification (0.23 pA). This device features differential output capability and extended temperature range to 125°C, suitable for precision instrumentation applications.

CMOS Alternatives:

The AZV832MMTR-G1 (Diodes Incorporated) and BU7462 series (Rohm Semiconductor) provide CMOS amplifier topology with ultra-low input bias current (1 pA). The AZV832MMTR-G1 offers the highest output current capability (185 mA per channel) among all substitutes. The BU7462FVM-TR and BU7462SFVM-TR provide 1 MHz gain bandwidth product and 1V/µs slew rate with MSL 1 rating. Note: AZV832MMTR-G1 carries MSL 3 (168 Hours) moisture sensitivity, requiring controlled storage conditions.

Audio-Grade Option:

The LME49726MYX/NOPB (Texas Instruments) is classified as an audio amplifier with superior specifications: 6.25 MHz gain bandwidth product, 3.7V/µs slew rate, and 350 mA output current per channel. This device is appropriate for audio signal processing and high-fidelity applications requiring enhanced dynamic performance.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility. All recommended substitutes carry active product status with established supply chains, providing long-term design support and production continuity superior to the obsolete MAX4275AGEUA+.

Frequently Asked Questions (FAQ)

Q1: Can the BU7442FVM-TR directly replace the MAX4275AGEUA+ in existing PCB layouts?

A: The BU7442FVM-TR is electrically compatible with the MAX4275AGEUA+ and operates within the same supply voltage range (1.7V to 5.5V encompasses 2.5V to 5.5V). However, package dimensions differ: the BU7442FVM-TR uses 8-VSSOP or 8-MSOP with 0.110" (2.80mm) width, while the MAX4275AGEUA+ uses 8-TSSOP or 8-MSOP with 0.118" (3.00mm) width. PCB footprint verification is required before substitution. Pin-to-pin functionality is identical for dual-circuit rail-to-rail operation.

Q2: What is the impact of reduced gain bandwidth product in substitute parts?

A: The MAX4275AGEUA+ specifies 2 MHz gain bandwidth product. Substitute parts range from 600 kHz (BU7442 series) to 6.25 MHz (LME49726). For general purpose applications operating below 100 kHz signal frequencies, reduced bandwidth (600 kHz to 1 MHz) is functionally equivalent. Applications requiring signal processing above 500 kHz should select substitutes with 3 MHz or higher gain bandwidth product (LMR358, LMV552, LMV772, LME49726).

Q3: Which substitute offers the lowest power consumption?

A: The LMV552MM/NOPB and LMV552MMX/NOPB provide the lowest supply current at 37 µA per channel, compared to 355 µA for the MAX4275AGEUA+. This represents a 90% reduction in quiescent current, making these devices ideal for battery-powered and energy-constrained applications. Extended operating temperature range to 125°C is an additional benefit.

Q4: Are there pin-compatible substitutes available?

A: All listed substitute parts maintain 8-pin dual-circuit amplifier configuration with identical functional pin assignments (non-inverting input, inverting input, output, power supply, ground). Physical package dimensions vary between 8-TSSOP, 8-MSOP, and 8-VSSOP variants. Footprint compatibility must be verified for each specific package variant selected.

Q5: What is the significance of MSL (Moisture Sensitivity Level) ratings?

A: The MAX4275AGEUA+ carries MSL 1 (Unlimited), indicating no moisture-related shelf-life restrictions. Most substitutes maintain MSL 1 rating. The AZV832MMTR-G1 carries MSL 3 (168 Hours), requiring controlled storage at ≤30% relative humidity and limiting shelf life to 168 hours after moisture exposure. For high-volume production with extended inventory, MSL 1 rated devices (BU7442, BU7462, LME49726, LMR358, LMV552, LMV772) are preferred.

Q6: Which substitute is recommended for extended temperature operation?

A: The MAX4275AGEUA+ operates to 85°C maximum. For extended temperature applications, the BU7442SFVM-TR and BU7462SFVM-TR extend to 105°C, while LMV552MM/NOPB, LMV552MMX/NOPB, and LMV772MM/NOPB extend to 125°C. The LMV772MM/NOPB provides the highest temperature rating combined with superior gain bandwidth product (3.5 MHz) and slew rate (1.4V/µs).

Q7: What output current capability is required for substitution?

A: The MAX4275AGEUA+ provides 65 mA per channel output current. Substitute parts range from 10 mA (BU7442 series) to 350 mA (LME49726). For applications requiring high-current output (driving low-impedance loads or multiple stages), select LME49726 (350 mA), AZV832MMTR-G1 (185 mA), or LMV772MM/NOPB (75 mA). For general purpose signal conditioning, 25 to 60 mA output current is sufficient.

Q8: Are CMOS amplifier substitutes (AZV832, BU7462) functionally equivalent to the general purpose design?

A: CMOS amplifiers (AZV832MMTR-G1, BU7462FVM-TR, BU7462SFVM-TR) provide ultra-low input bias current (1 pA versus 50 pA for MAX4275AGEUA+), making them superior for high-impedance input applications. CMOS topology is functionally equivalent for rail-to-rail dual-circuit operation. Trade-offs include reduced output current capability (12 mA for BU7462 versus 65 mA for MAX4275AGEUA+) and higher input offset voltage (1 mV versus 500 µV). CMOS substitutes are appropriate for precision instrumentation and sensor signal conditioning.

Q9: What is the recommended substitute for audio signal processing applications?

A: The LME49726MYX/NOPB is classified as an audio amplifier with superior dynamic performance: 6.25 MHz gain bandwidth product, 3.7V/µs slew rate, and 350 mA output current per channel. These specifications support high-fidelity audio signal processing, low-distortion amplification, and driving audio output stages. The LME49726 is the only audio-grade device in the substitute list.

Q10: How do supply voltage ranges affect substitution decisions?

A: The MAX4275AGEUA+ operates from 2.5V to 5.5V. All substitute parts support the 5.5V maximum. Minimum supply voltage varies: AZV832 (1.6V), BU7442/BU7462 (1.7V), LME49726/LMR358/LMV552/LMV772 (2.5V to 2.7V). For applications using 2.5V single-supply operation, all substitutes are compatible. For ultra-low voltage applications (1.6V to 2.4V), only AZV832MMTR-G1 and BU7442/BU7462 series are suitable.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message