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 8-SOIC surface mount packaging. This part is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The MAX412CSA operates across a supply voltage range of 4.8V to 10.5V with a slew rate of 4.5V/µs and gain bandwidth product of 28 MHz, making it suitable for general-purpose amplification applications requiring moderate bandwidth and low input bias current.

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	—
Product Status	Obsolete	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the MAX412CSA is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Number of circuits: 2 (dual-channel configuration)
Package type: 8-SOIC surface mount
Physical dimensions: 0.154" width, 3.90mm width
Mounting type: Surface mount

Secondary Electrical Compatibility Factors:

Supply voltage range compatibility (minimum 4.8V to maximum 10.5V operation)
Output current capability (minimum 35 mA per channel)
Input bias current (80 nA baseline)
Input offset voltage (120 µV baseline)

Substitute parts are grouped into three categories based on amplifier topology and performance characteristics:

Category 1: Direct Functional Equivalent (Same Topology) MAX412CSA+ represents the active production equivalent with identical electrical specifications and 8-SOIC packaging. This part differs only in product status (Active vs. Obsolete) and RoHS compliance.

Category 2: Higher-Performance Alternatives (Enhanced Specifications) AD8058ARZ, AD8058ARZ-REEL7, AD8002ARZ, and AD8002ARZ-R7 provide superior slew rates (1150V/µs to 1200V/µs), wider bandwidth capabilities (325 MHz to 600 MHz), and extended operating temperature ranges (-40°C to 85°C). These parts maintain 8-SOIC packaging and dual-channel configuration but operate with different supply voltage minimums (3V to 6V).

Category 3: Specialized Application Alternatives AD8072JRZ and AD8072JRZ-REEL7 are current feedback video amplifiers with 100 MHz bandwidth and 500V/µs slew rate, suitable for video and high-speed signal processing applications. TS522IDT is an automotive-grade audio amplifier with extended temperature range (-40°C to 125°C) and AEC-Q100 qualification, designed for automotive audio applications.

Parameter Comparison

Parameter	MAX412CSA	MAX412CSA+	AD8058ARZ	AD8002ARZ	AD8072JRZ	TS522IDT
Amplifier Type	General Purpose	General Purpose	Voltage Feedback	Current Feedback	Current Feedback	Audio
Number of Circuits	2	2	2	2	2	2
Slew Rate (V/µs)	4.5	4.5	1150	1200	500	7
Bandwidth (MHz)	28 (GBW)	28 (GBW)	325 (-3dB)	600 (-3dB)	100 (-3dB)	15 (GBW)
Current - Input Bias (nA)	80	80	500	5000	—	250
Voltage - Input Offset (µV)	120	120	1000	2000	—	850
Current - Supply (mA)	2.5 (x2)	2.5 (x2)	14	10 (x2)	3.5	4
Current - Output / Channel (mA)	35	35	—	70	30	37
Voltage - Supply Span Min (V)	4.8	4.8	3	6	5 (single) / ±2.5 (dual)	5
Voltage - Supply Span Max (V)	10.5	10.5	12	12	12 (single) / ±6 (dual)	30
Operating Temperature (°C)	0 to 70	0 to 70	-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
Product Status	Obsolete	Active	Active	Active	Last Time Buy	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): MAX412CSA+ is the primary substitute when electrical specifications and operating conditions must remain unchanged. This part maintains all electrical parameters of the MAX412CSA while offering Active product status and ROHS3 compliance. Selection of MAX412CSA+ is appropriate for designs where the 28 MHz bandwidth and 4.5V/µs slew rate are sufficient and where supply voltage remains within the 4.8V to 10.5V range.

For Enhanced Performance Applications: AD8058ARZ and AD8058ARZ-REEL7 (voltage feedback topology) or AD8002ARZ and AD8002ARZ-R7 (current feedback topology) are selected when higher bandwidth (325 MHz to 600 MHz) and faster slew rates (1150V/µs to 1200V/µs) are required. These parts support extended operating temperature ranges (-40°C to 85°C) and ROHS3 compliance. Verification of supply voltage compatibility is required, as minimum supply voltage is 3V to 6V depending on topology.

For Automotive and Extended Temperature Applications: TS522IDT is selected for automotive-grade applications requiring AEC-Q100 qualification and extended operating temperature range (-40°C to 125°C). This part supports supply voltages up to 30V and provides ROHS3 compliance. The audio amplifier topology and 15 MHz gain bandwidth product are suitable for automotive audio signal processing.

For Video and High-Speed Signal Processing: AD8072JRZ and AD8072JRZ-REEL7 are selected when 100 MHz bandwidth and 500V/µs slew rate are required for video or high-speed applications. These parts carry Last Time Buy status and ROHS3 compliance. Supply voltage configuration supports both single supply (5V to 12V) and dual supply (±2.5V to ±6V) operation.

Compliance Considerations: All substitute parts except MAX412CSA+ offer ROHS3 compliance, addressing regulatory requirements for new designs. The MAX412CSA (original part) is RoHS non-compliant and should be replaced in applications subject to RoHS directives.

Frequently Asked Questions (FAQ)

Q: Can MAX412CSA+ be used as a direct drop-in replacement for MAX412CSA?

A: Yes. MAX412CSA+ is electrically and mechanically identical to MAX412CSA. Both parts feature 2 circuits in 8-SOIC packaging, 4.5V/µs slew rate, 28 MHz gain bandwidth product, 80 nA input bias current, and 120 µV input offset voltage. The primary differences are product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No circuit modifications are required.

Q: What is the key difference between AD8058ARZ and AD8002ARZ?

A: AD8058ARZ uses voltage feedback topology with 1150V/µs slew rate and 325 MHz bandwidth. AD8002ARZ uses current feedback topology with 1200V/µs slew rate and 600 MHz bandwidth. Both are 2-circuit 8-SOIC devices with ROHS3 compliance and -40°C to 85°C operating range. Current feedback topology (AD8002ARZ) provides higher bandwidth and slew rate but requires different circuit design considerations. Voltage feedback topology (AD8058ARZ) is more straightforward for general-purpose applications.

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

A: Yes. All substitute parts listed are available in 8-SOIC (0.154", 3.90mm width) surface mount packaging. Packaging variants differ by supplier format: Tube, Tape & Reel (TR), or Cut Tape (CT) & Digi-Reel®. Physical dimensions and mounting type are identical across all parts, ensuring PCB compatibility.

Q: What is the supply voltage compatibility range for substitute parts?

A: MAX412CSA and MAX412CSA+ operate at 4.8V to 10.5V. AD8058ARZ operates at 3V to 12V. AD8002ARZ operates at 6V to 12V. AD8072JRZ supports 5V to 12V (single supply) or ±2.5V to ±6V (dual supply). TS522IDT supports 5V to 30V. Verify that the selected substitute part's supply voltage range encompasses the application's power supply specifications.

Q: Which substitute part has the lowest input bias current?

A: AD8002ARZ has the lowest input bias current at 5 µA. MAX412CSA and MAX412CSA+ have 80 nA input bias current. AD8058ARZ has 500 nA. TS522IDT has 250 nA. Selection based on input bias current depends on application requirements for input impedance and offset drift characteristics.

Q: Is TS522IDT suitable for non-automotive applications?

A: TS522IDT is an automotive-grade amplifier with AEC-Q100 qualification and extended operating temperature range (-40°C to 125°C). While designed for automotive applications, it can be used in non-automotive designs where these specifications provide value. The 15 MHz gain bandwidth product and audio amplifier topology are optimized for audio signal processing. Verify that the audio amplifier topology meets the application's functional requirements.

Q: What is the inventory status of substitute parts?

A: MAX412CSA+ has 2200 pcs in stock. AD8058ARZ has 1360 pcs. AD8058ARZ-REEL7 has 2191 pcs. AD8002ARZ has 1310 pcs. AD8002ARZ-R7 has 4201 pcs. AD8072JRZ has 12300 pcs. AD8072JRZ-REEL7 has 3439 pcs. TS522IDT has 2191 pcs. Inventory levels support production requirements across all substitute options.

Q: Can AD8072JRZ replace MAX412CSA in general-purpose amplifier applications?

A: AD8072JRZ is a current feedback video amplifier with 100 MHz bandwidth and 500V/µs slew rate, designed for video and high-speed signal processing. While it provides higher performance than MAX412CSA (28 MHz bandwidth, 4.5V/µs slew rate), the current feedback topology requires different circuit design and compensation techniques. AD8072JRZ is suitable only for applications requiring video amplification or high-speed signal processing, not for general-purpose amplification where MAX412CSA+ is the appropriate choice.

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