MAX412CSA+ Equivalent & Substitute Parts

Part Overview

The MAX412CSA+ is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This component is classified as Active product status with 2200 pieces currently in stock. The MAX412CSA+ serves applications requiring low-power, general-purpose amplification with moderate bandwidth and slew rate characteristics. Substitute parts are identified when equivalent electrical performance, package compatibility, and operational parameters align with application requirements, enabling design flexibility and supply chain alternatives.

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	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MAX412CSA+ are identified based on strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure PCB footprint compatibility.

Number of Circuits: All substitutes maintain dual-channel (2 circuit) configuration matching the original device.

Supply Voltage Range: Substitute parts must operate within or encompass the 4.8 V to 10.5 V supply span of the MAX412CSA+.

Output Current Capability: Substitute parts must deliver at least 35 mA per channel to meet load driving requirements.

Compliance Standards: All substitutes maintain ROHS3 compliance, MSL Level 1, and EAR99 classification.

The substitute parts are grouped into three functional categories based on amplifier topology:

Category 1 - General Purpose / Voltage Feedback Amplifiers: AD8058ARZ and AD8058ARZ-REEL7 provide voltage feedback topology with enhanced bandwidth and slew rate characteristics, suitable for applications requiring higher frequency response while maintaining dual-channel configuration and 8-SOIC packaging.

Category 2 - Current Feedback Amplifiers: AD8002ARZ and AD8002ARZ-R7 deliver current feedback topology with significantly higher slew rate (1200 V/µs) and bandwidth (600 MHz), applicable to high-speed signal processing within compatible supply and package constraints.

Category 3 - Specialized Amplifiers: AD8072JRZ/AD8072JRZ-REEL7 (video/current feedback) and TS522IDT (audio/automotive-grade) address specific application domains while maintaining core package and dual-channel requirements.

Parameter Comparison

Parameter	MAX412CSA+	AD8002ARZ	AD8002ARZ-R7	AD8058ARZ	AD8058ARZ-REEL7	AD8072JRZ	AD8072JRZ-REEL7	TS522IDT
Amplifier Type	General Purpose	Current Feedback	Current Feedback	Voltage Feedback	Voltage Feedback	Current Feedback	Current Feedback	Audio
Number of Circuits	2	2	2	2	2	2	2	2
Slew Rate (V/µs)	4.5	1200	1200	1150	1150	500	500	7
Bandwidth / GBW	28 MHz (GBW)	600 MHz (-3dB)	600 MHz (-3dB)	325 MHz (-3dB)	325 MHz (-3dB)	100 MHz (-3dB)	100 MHz (-3dB)	15 MHz (GBW)
Current - Input Bias (nA)	80	5000	5000	500	500	—	—	250
Voltage - Input Offset (µV)	120	2000	2000	1000	1000	—	—	850
Current - Supply (mA)	2.5 (x2)	10 (x2)	10 (x2)	14	14	3.5	3.5	4
Current - Output / Channel (mA)	35	70	70	—	—	30	30	37
Voltage - Supply Span (Min)	4.8 V	6 V	6 V	3 V	3 V	±2.5 V / 5 V	±2.5 V / 5 V	5 V
Voltage - Supply Span (Max)	10.5 V	12 V	12 V	12 V	12 V	±6 V / 12 V	±6 V / 12 V	30 V
Operating Temperature	0 to 70°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	—	—	-40 to 125°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Packaging Format	Tube	Tube	Tape & Reel	Tube	Cut Tape & Digi-Reel	Tube	Tape & Reel	Cut Tape & Digi-Reel
Product Status	Active	Active	Active	Active	Active	Last Time Buy	Last Time Buy	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

AD8058ARZ and AD8058ARZ-REEL7 are recommended as primary substitutes for applications requiring enhanced bandwidth and slew rate performance while maintaining Active product status. These voltage feedback amplifiers provide 325 MHz bandwidth and 1150 V/µs slew rate, representing significant performance improvement over the MAX412CSA+ general-purpose topology. Supply voltage range (3 V to 12 V) encompasses the original device specification. Both variants maintain ROHS3 compliance and MSL Level 1 rating. Selection between tube (AD8058ARZ) and reel packaging (AD8058ARZ-REEL7) depends on procurement and assembly requirements.

AD8002ARZ and AD8002ARZ-R7 provide current feedback topology with maximum slew rate (1200 V/µs) and bandwidth (600 MHz) for high-speed applications. Minimum supply voltage (6 V) exceeds the MAX412CSA+ minimum (4.8 V), requiring verification in low-voltage designs. Output current capability (70 mA per channel) exceeds original specification. Active product status ensures long-term availability.

TS522IDT (STMicroelectronics) offers audio amplifier topology with extended operating temperature range (-40°C to 125°C) and automotive-grade qualification (AEC-Q100). Supply voltage range extends to 30 V maximum, providing flexibility for diverse power architectures. Active product status and automotive qualification support applications requiring temperature robustness and automotive compliance.

Secondary Substitutes (Last Time Buy Status):

AD8072JRZ and AD8072JRZ-REEL7 are designated Last Time Buy, indicating discontinued production with limited future availability. These current feedback video amplifiers deliver 500 V/µs slew rate and 100 MHz bandwidth. Use only when existing inventory is confirmed available and long-term supply is not critical. Substitution should be evaluated against primary alternatives before selection.

Compliance Verification:

All substitute parts maintain ROHS3 compliance, MSL Level 1 (unlimited moisture sensitivity), and EAR99 export classification, matching the original MAX412CSA+ regulatory profile. No additional compliance documentation is required for direct substitution in existing designs.

Frequently Asked Questions (FAQ)

Q1: Can AD8002ARZ replace MAX412CSA+ in a 4.8 V single supply application?

No. AD8002ARZ minimum supply voltage is 6 V, exceeding the MAX412CSA+ minimum of 4.8 V. Applications operating at 4.8 V to 5.9 V require AD8058ARZ or TS522IDT, which support lower supply thresholds (3 V and 5 V respectively).

Q2: What is the primary difference between AD8058ARZ and AD8058ARZ-REEL7?

Both parts are electrically identical voltage feedback amplifiers with identical electrical specifications. The difference is packaging format: AD8058ARZ is supplied in tube packaging, while AD8058ARZ-REEL7 uses cut tape and Digi-Reel format. Selection depends on assembly equipment compatibility and procurement preferences.

Q3: Why do AD8002ARZ and AD8002ARZ-R7 have higher input bias current (5 µA) compared to MAX412CSA+ (80 nA)?

AD8002ARZ uses current feedback topology, which inherently exhibits higher input bias current than general-purpose amplifiers. This characteristic is fundamental to current feedback architecture and does not indicate inferior performance. Applications sensitive to input bias current should select AD8058ARZ (500 nA) or TS522IDT (250 nA).

Q4: Is TS522IDT suitable for non-automotive applications?

Yes. TS522IDT is an active product with automotive qualification (AEC-Q100), but automotive-qualified components are fully functional in non-automotive designs. The extended temperature range (-40°C to 125°C) and higher supply voltage tolerance (5 V to 30 V) provide additional design margin for demanding applications.

Q5: Should AD8072JRZ be selected for new designs?

No. AD8072JRZ and AD8072JRZ-REEL7 are designated Last Time Buy, indicating production discontinuation. New designs should select from Active status alternatives: AD8058ARZ, AD8002ARZ, or TS522IDT. Last Time Buy parts are appropriate only when existing inventory is confirmed and supply continuity is not required.

Q6: Are all substitute parts pin-compatible with MAX412CSA+ in 8-SOIC packaging?

All substitute parts use 8-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout for dual operational amplifier configuration. PCB footprints are directly compatible. However, electrical parameter differences (supply voltage, slew rate, bandwidth) require circuit verification before substitution.

Q7: What is the inventory status of substitute parts?

Current inventory: AD8002ARZ (1310 pcs), AD8002ARZ-R7 (4201 pcs), AD8058ARZ (1360 pcs), AD8058ARZ-REEL7 (2191 pcs), AD8072JRZ (12300 pcs), AD8072JRZ-REEL7 (3439 pcs), TS522IDT (2191 pcs). Inventory levels are subject to change; verify current availability with supplier before procurement.

Q8: Which substitute provides the closest electrical match to MAX412CSA+?

TS522IDT provides the closest functional match with similar slew rate (7 V/µs vs. 4.5 V/µs) and comparable gain bandwidth product (15 MHz vs. 28 MHz). However, TS522IDT is audio-optimized topology. For general-purpose applications requiring minimal circuit redesign, AD8058ARZ offers superior performance (325 MHz bandwidth, 1150 V/µs slew rate) with broader supply voltage compatibility.

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