MAX4402ASA Equivalent & Substitute Parts

Part Overview

The MAX4402ASA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring dual circuits in an 8-SOIC surface mount package. This device delivers rail-to-rail output capability with a 1V/µs slew rate and 800 kHz gain bandwidth product, operating across a 2.5V to 5.5V supply range. The MAX4402ASA is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain compatibility with the original electrical specifications and 8-SOIC package footprint while preferably offering active product status and improved compliance certifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	1	V/µs
Gain Bandwidth Product	800	kHz
Current - Input Bias	0.1	pA
Voltage - Input Offset	1	mV
Current - Supply (x2 Channels)	410	µA
Current - Output / Channel	30	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitute parts for the MAX4402ASA are evaluated based on the following critical parameters that determine functional equivalence:

Primary Compatibility Criteria:

Number of circuits: 2 (dual amplifier configuration)
Package type: 8-SOIC surface mount with 0.154" (3.90mm) width
Output type: Rail-to-rail capability
Operating temperature range: -40°C to 125°C minimum
Supply voltage span: Minimum 2.5V to maximum 5.5V

Secondary Performance Parameters:

Slew rate: 1V/µs or greater
Gain bandwidth product: 800 kHz or greater
Input bias current: 0.1 pA or lower
Input offset voltage: 1 mV or lower
Output current per channel: 30 mA or greater

Substitutes are grouped into two categories: direct form-fit-function replacements (MAX4402ASA+) and functionally equivalent alternatives that meet or exceed the primary compatibility criteria while offering improved performance or compliance characteristics.

Parameter Comparison

Parameter	MAX4402ASA	MAX4402ASA+	LMP2022MA/NOPB	LMV342MAX/NOPB	LMV358ID	LMV722ID
Amplifier Type	General Purpose	General Purpose	Zero-Drift	CMOS	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	—	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	1	1	2.6	1	1	5.25
Gain Bandwidth Product (kHz)	800	800	5000	1000	1000	10000
Current - Input Bias	0.1 pA	0.1 pA	25 pA	0.02 pA	15 nA	260 nA
Voltage - Input Offset	1 mV	1 mV	0.4 µV	700 µV	1.7 mV	80 µV
Current - Supply (x2 Channels)	410 µA	410 µA	1.1 mA	107 µA	210 µA	1.81 mA
Current - Output / Channel (mA)	30	30	50	113	40	52.6
Voltage - Supply Span (Min)	2.5 V	2.5 V	2.2 V	2.7 V	2.7 V	2.2 V
Voltage - Supply Span (Max)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Operating Temperature	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 105°C
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Last Time Buy	Active

Engineering Selection Recommendations

Direct Replacement (Identical Electrical Performance):

MAX4402ASA+ is the direct successor to MAX4402ASA, offering identical electrical specifications and package footprint. This part is manufactured by Analog Devices Inc./Maxim Integrated and maintains full compatibility with existing designs. The primary advantage is active product status and ROHS3 compliance, eliminating the obsolescence risk associated with the original MAX4402ASA. Inventory availability is significantly higher (12,900 units) compared to the original part (3,783 units).

Performance-Enhanced Alternatives:

LMV722ID and LMV722IDR (Texas Instruments) provide superior performance characteristics including 5.25V/µs slew rate and 10 MHz gain bandwidth product, representing a 6.25x improvement in slew rate and 12.5x improvement in bandwidth. These parts maintain the 8-SOIC package, dual-circuit configuration, and rail-to-rail output capability. Operating temperature range is reduced to -40°C to 105°C. Both variants are ROHS3 compliant and actively produced, with LMV722IDR offering the highest inventory (25,300 units).

Low-Power Alternative:

LMV342MAX/NOPB (Texas Instruments) delivers the lowest supply current consumption at 107µA across both channels, compared to 410µA for the MAX4402ASA. This CMOS amplifier maintains rail-to-rail output, 1V/µs slew rate, and 8-SOIC packaging. Input bias current is exceptionally low at 0.02 pA. ROHS3 compliance and active product status are confirmed.

General-Purpose Alternatives:

LMV358ID and LMV358IDRG4 (Texas Instruments) provide general-purpose amplification with 1 MHz gain bandwidth product and 1V/µs slew rate. Both maintain 8-SOIC packaging and rail-to-rail output. LMV358IDRG4 offers higher inventory (15,639 units) in cut tape format. Note that LMV358ID carries Last Time Buy status, indicating limited future availability.

Zero-Drift Precision Alternative:

LMP2022MA/NOPB and LMP2022MAX/NOPB (Texas Instruments) are zero-drift amplifiers offering exceptional input offset voltage of 0.4µV and 25pA input bias current. These parts deliver 2.6V/µs slew rate and 5 MHz gain bandwidth product. Both are ROHS3 compliant and actively produced. LMP2022MAX/NOPB provides higher inventory (17,300 units) in cut tape format.

Alternative Package Consideration:

LMR932F-GE2 (Rohm Semiconductor) is a general-purpose amplifier with rail-to-rail output in 8-SOP package (0.173", 4.40mm width). While package dimensions differ slightly from the standard 8-SOIC, this part offers lower supply current (140µA) and higher output current capability (90mA per channel). Operating temperature range is limited to -40°C to 85°C. ROHS3 compliance is confirmed.

All recommended substitutes maintain the critical dual-circuit, surface-mount configuration and 8-SOIC package footprint. Selection should prioritize product status (Active preferred over Last Time Buy or Discontinued), RoHS compliance requirements, and specific performance needs of the application.

Frequently Asked Questions (FAQ)

Q: Can MAX4402ASA+ be used as a direct drop-in replacement for MAX4402ASA?

A: Yes. MAX4402ASA+ is electrically and mechanically identical to MAX4402ASA, with the same 8-SOIC package dimensions (0.154", 3.90mm width), dual-circuit configuration, and all electrical parameters. The primary difference is product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No design modifications are required.

Q: What is the key difference between general-purpose and zero-drift amplifier types?

A: Zero-drift amplifiers (LMP2022 series) employ internal chopper-stabilization techniques to achieve extremely low input offset voltage (0.4µV) and minimal offset drift over temperature. General-purpose amplifiers (MAX4402, LMV358, LMV722) accept higher input offset voltages (0.08mV to 1.7mV) in exchange for simpler design and lower cost. Selection depends on application precision requirements.

Q: Are all substitute parts available in the same 8-SOIC package?

A: All recommended substitutes except LMR932F-GE2 are packaged in 8-SOIC with 0.154" (3.90mm) width, ensuring identical PCB footprint compatibility. LMR932F-GE2 uses 8-SOP package with 0.173" (4.40mm) width, requiring PCB layout verification before substitution.

Q: Which substitute offers the best performance improvement?

A: LMV722ID and LMV722IDR deliver the highest performance with 5.25V/µs slew rate (5.25x faster than MAX4402ASA) and 10 MHz gain bandwidth product (12.5x higher). These parts are ideal for applications requiring faster signal processing and higher frequency response. Both are ROHS3 compliant and actively produced.

Q: What is the significance of "Last Time Buy" product status?

A: Last Time Buy indicates the manufacturer has announced end-of-life for the product. Customers may place final orders within a specified window before production ceases. Parts with this status (LMV358ID, LMV358QD) should be avoided for new designs unless existing inventory is sufficient for the product lifetime.

Q: How does supply current consumption affect component selection?

A: Supply current directly impacts power dissipation and thermal management. LMV342MAX/NOPB consumes only 107µA (x2 channels), compared to 410µA for MAX4402ASA. In battery-powered or thermally constrained applications, lower supply current reduces power consumption and heat generation. Conversely, higher supply current (LMP2022 at 1.1mA, LMV722 at 1.81mA) may be acceptable in applications prioritizing performance over power efficiency.

Q: Can substitutes with different operating temperature ranges be used in -40°C to 125°C applications?

A: No. LMR932F-GE2 operates only to 85°C and LMV722 series to 105°C, making them unsuitable for applications requiring full -40°C to 125°C operation. Verify application temperature requirements before selecting alternatives. MAX4402ASA+, LMP2022 series, LMV342MAX/NOPB, and LMV358 variants all support the full -40°C to 125°C range.

Q: What does ROHS3 compliance mean for component procurement?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance certifies that the component contains no lead, cadmium, mercury, or other restricted substances. This is mandatory for many applications, particularly in consumer electronics and regulated industries. MAX4402ASA is RoHS non-compliant, while all recommended substitutes are ROHS3 compliant, eliminating regulatory risk for new designs.

Q: How should I verify compatibility before implementing a substitute?

A: Confirm the following parameters match application requirements: (1) dual-circuit configuration, (2) 8-SOIC package footprint, (3) rail-to-rail output capability, (4) operating temperature range, (5) supply voltage range (2.5V to 5.5V minimum), (6) slew rate and bandwidth adequate for signal processing requirements, (7) input bias current and offset voltage acceptable for circuit precision. Review the substitute part datasheet for any application-specific limitations.

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