MAX4332ESA Equivalent & Substitute Parts Reference

Part Overview

The MAX4332ESA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring dual circuits in an 8-SOIC surface-mount package with rail-to-rail output capability. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The MAX4332ESA operates across a 2.3V to 6.5V supply range with a 3 MHz gain-bandwidth product and 1.5V/µs slew rate, making it suitable for low-power analog signal conditioning applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	MAX4332ESA	—
Manufacturer	Analog Devices Inc./Maxim Integrated	—
Product Status	Obsolete	—
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Gain Bandwidth Product	3	MHz
Slew Rate	1.5	V/µs
Voltage - Supply Span (Min)	2.3	V
Voltage - Supply Span (Max)	6.5	V
Current - Supply	275	µA (x2 Channels)
Current - Output / Channel	20	mA
Current - Input Bias	25	nA
Voltage - Input Offset	250	µV
Operating Temperature	-40 to 85	°C
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MAX4332ESA is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Package type: 8-SOIC surface-mount form factor (0.154", 3.90mm width)
Number of circuits: Dual (2) operational amplifiers
Output configuration: Rail-to-rail capability
Supply voltage range: Minimum 2.3V, maximum 6.5V (or compatible overlap)
Operating temperature range: -40°C to 85°C minimum
Amplifier classification: General Purpose

Secondary Compatibility Parameters:

Gain-bandwidth product: 3 MHz (substitutes may vary within functional tolerance)
Slew rate: 1.5V/µs (substitutes may vary)
Input bias current: 25 nA (substitutes may have lower values)
Input offset voltage: 250 µV (substitutes may vary)
Supply current: 275µA per dual channels (substitutes may vary)
Output current per channel: 20 mA (substitutes may vary)

Substitute parts must maintain compatibility across all primary criteria. Variations in secondary parameters are acceptable provided the substitute part does not introduce functional limitations in the target application circuit.

Parameter Comparison

Parameter	MAX4332ESA	MAX4332ESA+	LMV358M	LMV358MX/NOPB	MCP6002T-I/SN	MCP602-E/SN	MCP602-I/SN	MCP6275-E/SN	MCP6275T-E/SN	MCP6472-E/SN	MCP6472T-E/SN
Manufacturer	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip
Product Status	Obsolete	Active	Last Time Buy	Active	Active	Active	Active	Active	Active	Active	Active
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	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Gain Bandwidth Product (MHz)	3	3	1	1	1	2.8	2.8	2	2	2	2
Slew Rate (V/µs)	1.5	1.5	1	1	0.6	2.3	2.3	0.9	0.9	1.1	1.1
Voltage - Supply Span Min (V)	2.3	2.3	2.7	2.7	1.8	2.7	2.7	2	2	2	2
Voltage - Supply Span Max (V)	6.5	6.5	5.5	5.5	6	6	6	6	6	5.5	5.5
Current - Supply (µA, x2 Ch)	275	275	210	210	100	230	230	170	170	100	100
Current - Output / Channel (mA)	20	20	160	160	23	22	22	25	25	32	32
Current - Input Bias (nA)	25	25	15	15	1	1	1	1	1	1	1
Voltage - Input Offset (mV)	0.25	0.25	1.7	1.7	4.5	0.7	0.7	3	3	1.5	1.5
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 125	-40 to 85	-40 to 125	-40 to 125	-40 to 125	-40 to 125
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	CMOS	CMOS	General Purpose	General Purpose	CMOS	CMOS

Engineering Selection Recommendations

Primary Recommendation: MAX4332ESA+

The MAX4332ESA+ represents the direct successor to the obsolete MAX4332ESA, manufactured by Analog Devices Inc./Maxim Integrated. This part maintains identical electrical specifications and 8-SOIC packaging, ensuring pin-for-pin compatibility. The MAX4332ESA+ is classified as Active product status with ROHS3 compliance, addressing regulatory requirements for new designs. This is the preferred substitution path for applications currently using the MAX4332ESA.

Secondary Recommendations for Active Product Status:

MCP6002T-I/SN (Microchip Technology) — Active status with lowest supply current consumption (100µA per dual channels). Suitable for battery-powered or ultra-low-power applications where the 1 MHz gain-bandwidth product and 0.6V/µs slew rate meet functional requirements. Operates across 1.8V to 6V supply range, extending lower voltage capability.

MCP602-E/SN and MCP602-I/SN (Microchip Technology) — Active status CMOS amplifiers with 2.8 MHz gain-bandwidth product and 2.3V/µs slew rate, closely matching MAX4332ESA performance. MCP602-E/SN operates -40°C to 125°C; MCP602-I/SN operates -40°C to 85°C. Both maintain 8-SOIC packaging and rail-to-rail output.

MCP6275-E/SN and MCP6275T-E/SN (Microchip Technology) — Active status general-purpose amplifiers with 2 MHz gain-bandwidth product and extended operating temperature to 125°C. Available in Tube (MCP6275-E/SN) and Tape & Reel (MCP6275T-E/SN) packaging options.

MCP6472-E/SN and MCP6472T-E/SN (Microchip Technology) — Active status CMOS amplifiers with 2 MHz gain-bandwidth product, lowest supply current (100µA per dual channels), and highest output current per channel (32 mA). Extended operating temperature to 125°C. Available in Tube and Tape & Reel packaging.

LMV358MX/NOPB (Texas Instruments) — Active status with highest inventory availability (155,100 pcs). Operates -40°C to 125°C with 1 MHz gain-bandwidth product. Supply voltage range 2.7V to 5.5V. Suitable for cost-sensitive applications where lower bandwidth is acceptable.

Avoid: LMV358M (Texas Instruments) — Classified as Last Time Buy product status, indicating discontinued production. Not recommended for new designs despite technical compatibility.

Frequently Asked Questions (FAQ)

Q1: Can I directly replace MAX4332ESA with MAX4332ESA+ without circuit modifications?

A: Yes. The MAX4332ESA+ is the direct successor with identical electrical specifications, pin configuration, and 8-SOIC package dimensions. No circuit modifications are required. The primary difference is product status (Active vs. Obsolete) and RoHS3 compliance.

Q2: What is the key difference between general-purpose and CMOS amplifier types in the substitute list?

A: Amplifier type refers to the internal circuit architecture. General-purpose amplifiers (MAX4332ESA, LMV358, MCP6275) use bipolar or mixed-signal designs. CMOS amplifiers (MCP602, MCP6472) use complementary metal-oxide-semiconductor technology, typically offering lower input bias current (1 pA vs. 15-25 nA) and lower supply current. Both types are functionally compatible in 8-SOIC packages with rail-to-rail output.

Q3: Why do some substitutes have different supply voltage ranges?

A: Supply voltage range is determined by the internal circuit design and process technology. The MAX4332ESA operates 2.3V to 6.5V. Substitutes like MCP6002T-I/SN extend the lower limit to 1.8V, enabling operation in lower-voltage systems. Conversely, LMV358 series limits maximum supply to 5.5V. Circuit design must ensure the selected substitute operates within the system's actual supply voltage range.

Q4: What does "Rail-to-Rail" output mean, and why is it important for substitution?

A: Rail-to-rail output capability means the operational amplifier can swing its output voltage to within a small margin of both positive and negative supply rails. This maximizes the usable output voltage range. All listed substitutes maintain this capability, ensuring compatibility with circuits designed for the MAX4332ESA's rail-to-rail performance.

Q5: How does gain-bandwidth product affect substitution suitability?

A: Gain-bandwidth product (GBW) determines the maximum frequency at which the amplifier can operate with unity gain. The MAX4332ESA has 3 MHz GBW. Substitutes with lower GBW (1-2 MHz) are suitable for lower-frequency applications; those with similar or higher GBW (2.8-3 MHz) maintain performance parity. Application frequency requirements must be verified against the substitute's GBW specification.

Q6: What is the significance of operating temperature range in substitution?

A: The MAX4332ESA operates -40°C to 85°C. Substitutes with extended range (-40°C to 125°C) provide additional thermal margin for high-temperature environments but are equally suitable for the original temperature range. Substitutes with identical or narrower temperature ranges must be verified against system thermal requirements.

Q7: Why is RoHS compliance important for the MAX4332ESA substitution?

A: The original MAX4332ESA is RoHS non-compliant, containing restricted substances. All active substitutes listed are ROHS3 compliant, meeting current regulatory requirements for new product designs and manufacturing in regulated markets. This is a critical consideration for new designs and production transitions.

Q8: Can I use MCP6002T-I/SN in place of MAX4332ESA if my application requires maximum output current?

A: No. The MCP6002T-I/SN provides only 23 mA output current per channel, compared to MAX4332ESA's 20 mA. However, if higher output current is required, MCP6472-E/SN or MCP6472T-E/SN provide 32 mA per channel. Application output current requirements must be verified against the substitute's specification.

Q9: What packaging options are available for substitute parts?

A: Substitutes are available in multiple packaging formats: Tube (standard packaging for manual assembly), Cut Tape & Digi-Reel (for automated pick-and-place systems), and Tape & Reel (for high-volume production). The 8-SOIC package form factor remains consistent across all options. Select packaging based on assembly process requirements.

Q10: Is LMV358M a viable substitute despite "Last Time Buy" status?

A: LMV358M is technically compatible but not recommended for new designs. "Last Time Buy" status indicates Texas Instruments has discontinued production and set a final purchase deadline. For new product development, select from Active status alternatives: LMV358MX/NOPB, MCP6002T-I/SN, MCP602 series, MCP6275 series, or MCP6472 series.

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