MAX4282ESA Equivalent & Substitute Parts

Part Overview

The MAX4282ESA 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 2 MHz gain-bandwidth product and operates across a 2.5V to 5.5V supply range. The MAX4282ESA is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting current RoHS and REACH compliance standards.

Key Parameters

Parameter	MAX4282ESA	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	0.7	V/µs
Gain Bandwidth Product	2	MHz
Current - Input Bias	50	pA
Voltage - Input Offset	500	µV
Current - Supply (x2 Channels)	320	µA
Current - Output / Channel	65	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitute parts for the MAX4282ESA are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Mandatory Compatibility Criteria:

Number of Circuits: 2 (dual-channel configuration)
Package / Case: 8-SOIC (0.154", 3.90mm Width) or equivalent 8-pin surface-mount package
Mounting Type: Surface Mount
Output Type: Rail-to-Rail (preferred for direct replacement)
Voltage - Supply Span: Minimum 2.5V to 5.5V overlap required

Performance Parameters for Substitution:

Slew Rate: 0.7V/µs or greater
Gain Bandwidth Product: 2 MHz or greater
Current - Input Bias: 50 pA or lower
Voltage - Input Offset: 500 µV or lower
Current - Supply: 320 µA or lower (per dual channels)
Current - Output / Channel: 65 mA or greater

Compliance Requirements:

RoHS3 Compliant (preferred for new designs)
Moisture Sensitivity Level: 1 (Unlimited)
REACH Unaffected or REACH Compliant

Substitutes are categorized into two groups: direct replacements (identical electrical specifications and packaging) and functional equivalents (meeting or exceeding performance parameters with active product status).

Parameter Comparison

Parameter	MAX4282ESA	MAX4282ESA+	ADA4692-2ARZ-R7	MCP6482-E/SN	OPA2313IDR	TLC4502ACD	Unit
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	CMOS	—
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	Rail-to-Rail	—
Slew Rate	0.7	0.7	1.3	2.7	0.5	2.5	V/µs
Gain Bandwidth Product	2	2	3.6	4	1	4.7	MHz
Current - Input Bias	50	50	0.5	1	0.2	1	pA
Voltage - Input Offset	500	500	500	1.5	500	10	µV
Current - Supply (x2 Channels)	320	320	180	240	50	2.5	µA
Current - Output / Channel	65	65	55	12	15	50	mA
Voltage - Supply Span (Min)	2.5	2.5	2.7	2.2	1.8	4	V
Voltage - Supply Span (Max)	5.5	5.5	5	5.5	5.5	6	V
Operating Temperature	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 125	0 to 70	°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)	—
Product Status	Obsolete	Active	Active	Active	Active	Active	—
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—

Engineering Selection Recommendations

Tier 1: Direct Replacement (Identical Specifications)

MAX4282ESA+ is the direct successor to MAX4282ESA, manufactured by Analog Devices Inc./Maxim Integrated. This part maintains identical electrical specifications and 8-SOIC packaging while achieving active product status and ROHS3 compliance. The MAX4282ESA+ is suitable for direct substitution in existing designs without circuit modification. Current inventory: 1291 pieces.

Tier 2: Functional Equivalents (Enhanced Performance)

The following parts meet or exceed MAX4282ESA electrical requirements and are classified as active products with ROHS3 compliance:

ADA4692-2ARZ-R7 (Analog Devices Inc.) provides enhanced performance with 1.3V/µs slew rate, 3.6 MHz gain-bandwidth product, and extended operating temperature to 125°C. Supply current is reduced to 180 µA. This part is suitable for applications requiring improved dynamic performance and wider temperature operation. Current inventory: 4616 pieces.

MCP6482-E/SN (Microchip Technology) delivers the highest slew rate at 2.7V/µs and 4 MHz gain-bandwidth product among active substitutes. Supply voltage range extends to 2.2V minimum. This part is appropriate for high-speed signal conditioning applications. Current inventory: 12200 pieces.

OPA2313IDR (Texas Instruments) offers the lowest supply current at 50 µA and extended operating temperature to 125°C. Input bias current is reduced to 0.2 pA. This part is optimal for battery-powered and low-power applications. Current inventory: 1532 pieces.

Tier 3: CMOS Alternatives (Different Amplifier Architecture)

TLC4502ACD and TLC4502ACDR (Texas Instruments) are CMOS amplifiers with 2.5V/µs slew rate and 4.7 MHz gain-bandwidth product. These parts require minimum 4V supply voltage and operate at 0°C to 70°C. CMOS architecture provides extremely low input bias current (1 pA) and minimal input offset voltage (10 µV). These parts are suitable for precision measurement applications where supply voltage exceeds 4V. Current inventory: TLC4502ACD (928 pieces), TLC4502ACDR (8140 pieces).

Compliance Considerations:

All recommended substitutes are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for new product designs. The MAX4282ESA is RoHS non-compliant and should not be used in new designs subject to RoHS directives.

Frequently Asked Questions (FAQ)

Q1: Can MAX4282ESA+ be used as a direct replacement for MAX4282ESA?

A: Yes. MAX4282ESA+ is the active equivalent of MAX4282ESA with identical electrical specifications and 8-SOIC packaging. No circuit modifications are required. The primary difference is product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant).

Q2: What are the key differences between general-purpose and CMOS amplifier substitutes?

A: General-purpose amplifiers (ADA4692-2ARZ-R7, MCP6482-E/SN, OPA2313IDR) use bipolar or JFET input stages and operate across 1.8V to 5.5V supply ranges. CMOS amplifiers (TLC4502ACD, TLC4502ACDR) require minimum 4V supply but provide extremely low input bias current and offset voltage. CMOS parts are suitable only for applications with supply voltage ≥4V.

Q3: Which substitute offers the best performance for high-speed applications?

A: MCP6482-E/SN provides the highest slew rate (2.7V/µs) and gain-bandwidth product (4 MHz) among active substitutes. TLC4502ACD and TLC4502ACDR offer comparable bandwidth (4.7 MHz) but with CMOS architecture and higher minimum supply voltage requirement (4V).

Q4: Are all substitute parts available in 8-SOIC packaging?

A: Yes. All recommended substitutes are packaged in 8-SOIC (0.154", 3.90mm width) surface-mount configuration, maintaining mechanical compatibility with MAX4282ESA PCB layouts. No board redesign is required for package substitution.

Q5: Which substitute is most suitable for low-power battery applications?

A: OPA2313IDR offers the lowest supply current at 50 µA (x2 channels) and operates across 1.8V to 5.5V supply range. This part is optimized for battery-powered systems requiring extended operating life.

Q6: What is the operating temperature range difference between substitutes?

A: MAX4282ESA and MAX4282ESA+ operate -40°C to 85°C. ADA4692-2ARZ-R7, MCP6482-E/SN, and OPA2313IDR extend to -40°C to 125°C, providing wider temperature coverage for industrial and automotive applications. TLC4502ACD and TLC4502ACDR operate 0°C to 70°C, limiting use to commercial temperature range.

Q7: Can TLC4502 CMOS amplifiers replace MAX4282ESA in all applications?

A: No. TLC4502 parts require minimum 4V supply voltage, whereas MAX4282ESA operates from 2.5V. Additionally, TLC4502 operating temperature is limited to 0°C to 70°C. TLC4502 substitution is valid only for applications meeting these supply and temperature constraints.

Q8: What is the significance of input bias current differences among substitutes?

A: Input bias current affects circuit accuracy in high-impedance applications. MAX4282ESA has 50 pA bias current. OPA2313IDR (0.2 pA) and TLC4502 variants (1 pA) provide superior performance in precision instrumentation. For general-purpose applications with impedances below 1 MΩ, bias current differences are negligible.

Q9: Are all substitutes RoHS3 compliant?

A: Yes. All recommended active substitutes are ROHS3 compliant. MAX4282ESA is RoHS non-compliant and should not be used in new designs subject to RoHS directives. MAX4282ESA+ is the compliant equivalent for existing designs.

Q10: What inventory levels are available for each substitute?

A: MAX4282ESA+ (1291 pieces), ADA4692-2ARZ-R7 (4616 pieces), MCP6482-E/SN (12200 pieces), OPA2313IDR (1532 pieces), TLC4502ACD (928 pieces), TLC4502ACDR (8140 pieces). MCP6482-E/SN offers the highest availability for high-volume production requirements.

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