MAX412BESA Equivalent & Substitute Parts

Part Overview

The MAX412BESA 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 part is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production continuity. The MAX412BESA 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 performance.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX412BESA
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Package / Case	8-SOIC (0.154", 3.90mm Width)
Slew Rate	4.5V/µs
Gain Bandwidth Product	28 MHz
Current - Input Bias	80 nA
Voltage - Input Offset	120 µV
Current - Supply	2.5mA (x2 Channels)
Current - Output / Channel	35 mA
Voltage - Supply Span (Min)	4.8 V
Voltage - Supply Span (Max)	10.5 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAX412BESA is determined by the following critical parameters that must be maintained or exceeded:

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

Dual-Channel Configuration: The substitute must provide 2 circuits in a single package, matching the dual-channel architecture of the MAX412BESA.

Supply Voltage Range: The substitute must operate within or encompass the 4.8V to 10.5V supply span of the original part. Substitutes with wider supply ranges (such as 3V to 12V) are acceptable as they provide backward compatibility.

Operating Temperature Range: The substitute must support the -40°C to 85°C operating temperature range or an extended range that includes this specification.

Amplifier Classification: Substitutes are grouped by amplifier type (General Purpose, Voltage Feedback, Current Feedback, or Audio), as each type exhibits different electrical characteristics affecting circuit performance.

The identified substitute parts fall into three functional categories: Current Feedback Amplifiers (AD8002ARZ, AD8002ARZ-R7, AD8072JRZ, AD8072JRZ-REEL7), Voltage Feedback Amplifiers (AD8058ARZ, AD8058ARZ-REEL7), and Audio Amplifiers (TS522IDT). Each category provides different performance trade-offs in bandwidth, slew rate, and input bias current characteristics.

Parameter Comparison

Parameter	MAX412BESA	AD8002ARZ	AD8002ARZ-R7	AD8058ARZ	AD8058ARZ-REEL7	AD8072JRZ	AD8072JRZ-REEL7	TS522IDT
Manufacturer	Analog Devices Inc./Maxim	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	STMicroelectronics
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
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Slew Rate	4.5V/µs	1200V/µs	1200V/µs	1150V/µs	1150V/µs	500V/µs	500V/µs	7V/µs
Bandwidth (-3dB)	28 MHz (GBW)	600 MHz	600 MHz	325 MHz	325 MHz	100 MHz	100 MHz	15 MHz (GBW)
Current - Input Bias	80 nA	5 µA	5 µA	500 nA	500 nA	Not specified	Not specified	250 nA
Voltage - Input Offset	120 µV	2 mV	2 mV	1 mV	1 mV	Not specified	Not specified	850 µV
Current - Supply	2.5mA (x2)	10mA (x2)	10mA (x2)	14mA	14mA	3.5 mA	3.5 mA	4mA
Current - Output / Channel	35 mA	70 mA	70 mA	Not specified	Not specified	30 mA	30 mA	37 mA
Voltage - Supply Span (Min)	4.8 V	6 V	6 V	3 V	3 V	5V / ±2.5V	5V / ±2.5V	5 V
Voltage - Supply Span (Max)	10.5 V	12 V	12 V	12 V	12 V	12V / ±6V	12V / ±6V	30 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Active	Active	Last Time Buy	Last Time Buy	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For RoHS Compliance Requirements:

All substitute parts listed (AD8002ARZ, AD8002ARZ-R7, AD8058ARZ, AD8058ARZ-REEL7, AD8072JRZ, AD8072JRZ-REEL7, and TS522IDT) are ROHS3 compliant, whereas the MAX412BESA is RoHS non-compliant. If regulatory compliance with RoHS directives is required, any of the listed substitutes provides compliance improvement over the original part.

For Active Product Status:

AD8002ARZ, AD8002ARZ-R7, AD8058ARZ, AD8058ARZ-REEL7, and TS522IDT maintain Active product status, ensuring long-term availability and manufacturing support. AD8072JRZ and AD8072JRZ-REEL7 are designated Last Time Buy, indicating limited future availability.

For Packaging and Mechanical Compatibility:

All substitute parts use the 8-SOIC package format. Selection between tube packaging (AD8002ARZ, AD8058ARZ, AD8072JRZ) and tape & reel or cut tape formats (AD8002ARZ-R7, AD8058ARZ-REEL7, AD8072JRZ-REEL7, TS522IDT) depends on production volume and assembly process requirements.

For Supply Voltage Compatibility:

AD8058ARZ and AD8058ARZ-REEL7 offer the lowest minimum supply voltage (3V), providing the widest operational range. AD8002ARZ and AD8002ARZ-R7 require minimum 6V supply. TS522IDT supports extended maximum supply voltage to 30V, suitable for applications requiring higher voltage operation.

For Extended Temperature Operation:

TS522IDT supports -40°C to 125°C operating range, exceeding the MAX412BESA specification. All other substitutes match the -40°C to 85°C range.

Frequently Asked Questions (FAQ)

Q: Can AD8002ARZ directly replace MAX412BESA in existing designs?

A: AD8002ARZ shares the 8-SOIC package and dual-channel configuration, enabling direct socket replacement. However, AD8002ARZ is a current feedback amplifier with significantly higher slew rate (1200V/µs vs. 4.5V/µs) and bandwidth (600 MHz vs. 28 MHz). Circuit performance will differ substantially. Input bias current is higher (5 µA vs. 80 nA). Designs must be re-evaluated for stability and performance compatibility.

Q: What is the difference between AD8002ARZ and AD8002ARZ-R7?

A: Both parts are electrically identical. The difference is packaging format: AD8002ARZ is supplied in tube packaging, while AD8002ARZ-R7 is supplied in tape & reel format. Selection depends on production volume and assembly equipment compatibility.

Q: Why are there multiple substitute options?

A: The MAX412BESA is a general-purpose amplifier. Substitutes are grouped by amplifier architecture (current feedback, voltage feedback, audio), each offering different performance characteristics. Current feedback amplifiers (AD8002, AD8072) provide higher bandwidth and slew rate. Voltage feedback amplifiers (AD8058) offer moderate bandwidth with lower input bias current. Audio amplifiers (TS522) provide lower bandwidth but extended supply voltage range. Selection depends on specific application requirements.

Q: Is TS522IDT suitable for high-temperature applications?

A: TS522IDT operates to 125°C, exceeding the MAX412BESA specification of 85°C. It is qualified to AEC-Q100 automotive standards. However, TS522IDT is classified as an audio amplifier with lower bandwidth (15 MHz GBW) compared to the MAX412BESA (28 MHz GBW). Application requirements must determine suitability.

Q: What does "Last Time Buy" status mean for AD8072JRZ?

A: Last Time Buy indicates the manufacturer has announced end-of-life for this product. Production will cease after a specified date. Existing inventory may be available, but long-term supply cannot be guaranteed. For new designs requiring extended product life, AD8002ARZ, AD8058ARZ, or TS522IDT are preferred due to Active status.

Q: Are all substitutes RoHS compliant?

A: Yes. All listed substitute parts (AD8002ARZ, AD8002ARZ-R7, AD8058ARZ, AD8058ARZ-REEL7, AD8072JRZ, AD8072JRZ-REEL7, TS522IDT) are ROHS3 compliant. The original MAX412BESA is RoHS non-compliant. Substitution provides regulatory compliance improvement.

Q: Can I use AD8058ARZ in applications requiring 4.8V minimum supply?

A: AD8058ARZ specifies 3V minimum supply voltage, which encompasses the 4.8V minimum of MAX412BESA. However, circuit design must account for AD8058ARZ's different electrical characteristics (1150V/µs slew rate, 325 MHz bandwidth, 500 nA input bias current) compared to the original part.

Q: What is the inventory status of these substitutes?

A: Current inventory levels are: 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 and should be verified at time of procurement.

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