MAX412ESA Equivalent & Substitute Parts

Part Overview

The MAX412ESA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, configured as a dual-channel (2 circuit) device in 8-SOIC surface mount packaging. This part is classified as obsolete, with 5600 units currently in stock. The MAX412ESA operates across a supply voltage range of 4.8V to 10.5V and is suitable for general-purpose amplification applications requiring moderate bandwidth and low input bias current characteristics.

Due to its obsolete product status, equivalent and substitute parts are necessary for new designs, long-term availability assurance, and compliance with current manufacturing standards. Substitute parts listed below maintain functional compatibility through equivalent electrical parameters and identical packaging specifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Slew Rate	4.5	V/µs
Gain Bandwidth Product	28	MHz
Current - Input Bias	80	nA
Voltage - Input Offset	120	µV
Current - Supply (per Channel)	2.5	mA
Current - Output / Channel	35	mA
Voltage - Supply Span (Min)	4.8	V
Voltage - Supply Span (Max)	10.5	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution logic for the MAX412ESA is based on the following critical parameters: package type (8-SOIC), number of circuits (2), operating temperature range (-40°C to 85°C), and mounting type (surface mount). Substitute parts are grouped into two categories:

Category 1: Direct Functional Equivalents Parts maintaining identical or superior electrical performance within the general-purpose amplifier classification, with matching supply voltage ranges and output current capabilities. These parts are suitable for direct replacement in existing designs.

Category 2: Performance-Enhanced Alternatives Parts offering higher bandwidth, faster slew rates, or improved input characteristics while maintaining 8-SOIC packaging and dual-channel configuration. These parts require circuit evaluation but provide enhanced performance margins.

The following parameters determine substitution eligibility:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Number of Circuits: 2
Mounting Type: Surface Mount
Operating Temperature: -40°C minimum to 85°C minimum
Voltage - Supply Span compatibility within application requirements

Parameter Comparison

Parameter	MAX412ESA	MAX412ESA+	AD8002ARZ	AD8002ARZ-R7	AD8058ARZ	AD8058ARZ-REEL7	TS522IDT
Manufacturer	Analog Devices / Maxim	Analog Devices / Maxim	Analog Devices	Analog Devices	Analog Devices	Analog Devices	STMicroelectronics
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	Current Feedback	Current Feedback	Voltage Feedback	Voltage Feedback	Audio
Number of Circuits	2	2	2	2	2	2	2
Slew Rate (V/µs)	4.5	4.5	1200	1200	1150	1150	7
Gain Bandwidth Product (MHz)	28	28	—	—	—	—	15
-3dB Bandwidth (MHz)	—	—	600	600	325	325	—
Current - Input Bias (nA)	80	80	5000	5000	500	500	250
Voltage - Input Offset (µV)	120	120	2000	2000	1000	1000	850
Current - Supply (mA)	2.5 (x2)	2.5 (x2)	10 (x2)	10 (x2)	14	14	4
Current - Output / Channel (mA)	35	35	70	70	—	—	37
Voltage - Supply Span Min (V)	4.8	4.8	6	6	3	3	5
Voltage - Supply Span Max (V)	10.5	10.5	12	12	12	12	30
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 125
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Packaging Type	Bulk	Tube	Tube	Tape & Reel	Tube	Cut Tape & Digi-Reel	Cut Tape & Digi-Reel
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory (Pcs)	5600	12900	1310	4201	1360	2191	2191

Engineering Selection Recommendations

MAX412ESA+ (Direct Replacement - Recommended for Compliance)

The MAX412ESA+ is the primary substitute for the obsolete MAX412ESA. Both parts share identical electrical specifications, including slew rate (4.5V/µs), gain bandwidth product (28 MHz), input bias current (80 nA), and supply voltage range (4.8V to 10.5V). The MAX412ESA+ differs only in product status (Active vs. Obsolete) and RoHS compliance (ROHS3 Compliant vs. non-compliant). With 12,900 units in stock, the MAX412ESA+ provides superior long-term availability and meets current environmental regulations. This part is suitable for direct pin-for-pin replacement without circuit modification.

AD8058ARZ and AD8058ARZ-REEL7 (Performance-Enhanced Voltage Feedback)

These Analog Devices voltage feedback amplifiers offer significantly higher slew rate (1150V/µs) and bandwidth (325 MHz) compared to the MAX412ESA. Both maintain 8-SOIC packaging, dual-channel configuration, and -40°C to 85°C operating range. The AD8058 series features lower input bias current (500 nA) and reduced input offset voltage (1 mV). Supply voltage range extends to 3V minimum, providing greater flexibility. These parts are suitable for applications requiring enhanced frequency response and faster transient performance. AD8058ARZ-REEL7 offers tape & reel packaging for automated assembly.

AD8002ARZ and AD8002ARZ-R7 (High-Speed Current Feedback)

These current feedback amplifiers deliver exceptional slew rate (1200V/µs) and -3dB bandwidth (600 MHz), representing the highest performance option among substitutes. Both maintain 8-SOIC packaging and dual-channel configuration. Supply voltage minimum increases to 6V, and supply current increases to 10mA per channel. Output current capability doubles to 70mA per channel. These parts are suitable for high-frequency signal conditioning and video amplification applications. AD8002ARZ-R7 provides tape & reel packaging.

TS522IDT (Audio-Optimized Alternative)

The STMicroelectronics TS522IDT is an audio-grade amplifier with AEC-Q100 automotive qualification. It maintains 8-SOIC packaging and dual-channel configuration with extended operating temperature range (-40°C to 125°C). Supply voltage range extends to 30V maximum, supporting broader power supply architectures. Slew rate (7V/µs) and gain bandwidth product (15 MHz) are comparable to the MAX412ESA. Input bias current (250 nA) and input offset voltage (850 µV) fall between general-purpose and precision specifications. This part is suitable for automotive and audio applications requiring extended temperature operation.

Selection Criteria Summary:

Direct replacement: MAX412ESA+
Enhanced bandwidth/slew rate: AD8058ARZ series or AD8002ARZ series
Automotive/extended temperature: TS522IDT
Packaging preference: Tube (standard), Tape & Reel (automated assembly), or Cut Tape & Digi-Reel (mixed-volume production)

Frequently Asked Questions (FAQ)

Q1: Can MAX412ESA+ be used as a direct replacement for MAX412ESA?

Yes. The MAX412ESA+ is electrically identical to the MAX412ESA, with matching slew rate (4.5V/µs), gain bandwidth product (28 MHz), input bias current (80 nA), voltage input offset (120 µV), supply current (2.5mA per channel), output current (35mA per channel), and supply voltage range (4.8V to 10.5V). The only differences are product status (Active vs. Obsolete) and RoHS compliance (ROHS3 Compliant vs. non-compliant). No circuit modifications are required.

Q2: What are the key differences between general-purpose, voltage feedback, and current feedback amplifier types?

General-purpose amplifiers (MAX412ESA, MAX412ESA+) offer moderate bandwidth and slew rate with low input bias current, suitable for standard signal conditioning. Voltage feedback amplifiers (AD8058 series) provide higher bandwidth and slew rate with improved frequency response characteristics. Current feedback amplifiers (AD8002 series) deliver the highest slew rate and bandwidth, optimized for high-frequency applications and video signal processing. Selection depends on application bandwidth requirements and frequency response characteristics.

Q3: Are all substitute parts compatible with 8-SOIC surface mount assembly equipment?

Yes. All substitute parts listed maintain 8-SOIC (0.154", 3.90mm Width) packaging and surface mount mounting type. Differences exist only in packaging format: Tube (standard), Tape & Reel (automated pick-and-place), and Cut Tape & Digi-Reel (mixed-volume production). Footprint and lead spacing are identical across all parts, ensuring compatibility with existing PCB designs and assembly processes.

Q4: What is the significance of RoHS compliance status?

RoHS3 compliance indicates conformance to Restriction of Hazardous Substances regulations, restricting lead, cadmium, mercury, and other hazardous materials. The MAX412ESA is RoHS non-compliant, while all substitute parts (MAX412ESA+, AD8002ARZ, AD8002ARZ-R7, AD8058ARZ, AD8058ARZ-REEL7, TS522IDT) are ROHS3 compliant. For new designs and applications subject to environmental regulations, ROHS3-compliant parts are required.

Q5: How do supply voltage ranges affect part selection?

The MAX412ESA operates within 4.8V to 10.5V. Substitute parts offer varying ranges: MAX412ESA+ (4.8V to 10.5V), AD8002 series (6V to 12V), AD8058 series (3V to 12V), and TS522IDT (5V to 30V). Selection depends on available power supply voltages in the application. Lower minimum voltage (AD8058 at 3V) provides flexibility for low-power designs. Higher maximum voltage (TS522IDT at 30V) supports industrial and automotive applications.

Q6: What packaging options are available, and which should be selected?

Three packaging formats are available: Tube (standard manual assembly), Tape & Reel (automated pick-and-place assembly), and Cut Tape & Digi-Reel (mixed-volume production). Selection depends on manufacturing process: Tube for low-volume or manual assembly, Tape & Reel for high-volume automated production, and Cut Tape & Digi-Reel for moderate-volume or prototype production. All formats contain identical die and electrical performance.

Q7: Can AD8002ARZ or AD8058ARZ be used in applications designed for MAX412ESA?

Functional compatibility exists, but circuit evaluation is required. AD8002ARZ and AD8058ARZ offer significantly higher bandwidth and slew rate, which may introduce stability issues in circuits designed for lower-bandwidth general-purpose amplifiers. Input bias current and input offset voltage differ substantially. These parts are suitable for applications requiring enhanced performance, but existing circuit designs must be re-evaluated for stability and noise performance before substitution.

Q8: Is TS522IDT suitable for non-automotive applications?

Yes. TS522IDT is an audio-grade amplifier with AEC-Q100 automotive qualification, but it is not restricted to automotive use. The extended operating temperature range (-40°C to 125°C) and wide supply voltage range (5V to 30V) make it suitable for industrial, audio, and consumer applications requiring robust performance across temperature extremes. Selection should be based on application requirements rather than automotive designation.

Q9: What is the significance of input bias current and input offset voltage differences?

Input bias current (80 nA for MAX412ESA vs. 500 nA for AD8058 vs. 5 µA for AD8002) affects input impedance and DC offset performance. Lower input bias current reduces input impedance loading and DC offset drift. Input offset voltage (120 µV for MAX412ESA vs. 1 mV for AD8058 vs. 2 mV for AD8002) affects DC accuracy and requires different offset nulling strategies. Applications with high-impedance inputs or requiring precision DC accuracy should prioritize lower input bias current and offset voltage specifications.

Q10: How does current supply consumption affect system design?

Supply current per channel ranges from 2.5mA (MAX412ESA/MAX412ESA+) to 14mA (AD8058) to 10mA (AD8002). Higher supply current increases power dissipation and thermal management requirements. For battery-powered or low-power applications, MAX412ESA+ is preferred. For high-performance applications where power dissipation is not critical, AD8002 or AD8058 series are suitable. System power budget and thermal design must accommodate selected part specifications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message