MAX414ESD Equivalent & Substitute Parts

Part Overview

The MAX414ESD is a general-purpose operational amplifier integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This device contains four independent amplifier circuits in a 14-SOIC surface mount package and is designed for general-purpose signal conditioning and amplification applications. The MAX414ESD is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. Substitute parts must maintain functional compatibility through matching package type, circuit count, and electrical operating parameters within specified tolerances.

Key Parameters

Parameter	Value	Unit
Number of Circuits	4	Channels
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	4.5	V/µs
Gain Bandwidth Product	28	MHz
Current - Input Bias	80	nA
Voltage - Input Offset	150	µV
Current - Supply	2.5	mA (x4 Channels)
Current - Output / Channel	35	mA
Voltage - Supply Span (Min)	4.8	V
Voltage - Supply Span (Max)	10.5	V
Operating Temperature	-40 to 85	°C
Product Status	Obsolete	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the MAX414ESD is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the 14-SOIC surface mount package with 0.154" (3.90mm) width to ensure direct PCB footprint compatibility.

Circuit Count: All substitutes contain four independent amplifier circuits, maintaining the same functional density as the original part.

Voltage Supply Range: Substitute parts must operate within overlapping supply voltage ranges. The MAX414ESD operates from 4.8V to 10.5V. Substitute parts with supply ranges of 4V to 12V provide extended compatibility.

Operating Temperature Range: The MAX414ESD operates from -40°C to 85°C. Substitute parts with identical or extended temperature ranges (-40°C to 85°C or 0°C to 70°C) are acceptable depending on application requirements.

Amplifier Type Consideration: While the MAX414ESD is a general-purpose amplifier, substitute parts include current feedback amplifier designs. Current feedback amplifiers offer superior high-frequency performance characteristics, including higher slew rates and bandwidth, making them suitable for applications requiring enhanced dynamic response.

Compliance Status: Active substitute parts with RoHS3 compliance are preferred for new designs and applications subject to environmental regulations.

Parameter Comparison

Parameter	MAX414ESD	AD8004ARZ-14	AD8004ARZ-14-REEL7	LT1397CS#PBF	LT1397CS#TRPBF
Manufacturer	Analog Devices Inc./Maxim	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Number of Circuits	4	4	4	4	4
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Amplifier Type	General Purpose	Current Feedback	Current Feedback	Current Feedback	Current Feedback
Slew Rate	4.5 V/µs	3000 V/µs	3000 V/µs	800 V/µs	800 V/µs
Gain Bandwidth Product	28 MHz	30 MHz	30 MHz	—	—
-3dB Bandwidth	—	250 MHz	250 MHz	400 MHz	400 MHz
Current - Input Bias	80 nA	40 µA	40 µA	10 µA	10 µA
Voltage - Input Offset	150 µV	1 mV	1 mV	1 mV	1 mV
Current - Supply	2.5 mA (x4)	14 mA	14 mA	4.6 mA (x4)	4.6 mA (x4)
Current - Output / Channel	35 mA	50 mA	50 mA	80 mA	80 mA
Voltage - Supply Span (Min)	4.8 V	4 V	4 V	4 V	4 V
Voltage - Supply Span (Max)	10.5 V	12 V	12 V	12 V	12 V
Operating Temperature	-40 to 85°C	-40 to 85°C	-40 to 85°C	0 to 70°C	0 to 70°C
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant
Packaging Type	—	Tube	Cut Tape & Digi-Reel	Tube	Tape & Reel

Engineering Selection Recommendations

For Active Production and New Designs:

The AD8004ARZ-14 and AD8004ARZ-14-REEL7 are recommended as primary substitutes. Both parts are active products with RoHS3 compliance, ensuring long-term availability and regulatory compliance. These parts maintain the 14-SOIC package footprint and four-circuit configuration. The AD8004 series offers significantly enhanced performance with 3000 V/µs slew rate and 250 MHz bandwidth, suitable for applications requiring higher-frequency signal processing. The AD8004ARZ-14-REEL7 variant is packaged in Cut Tape and Digi-Reel format, optimizing for automated assembly processes.

For Extended Temperature Range Applications:

The AD8004ARZ-14 and AD8004ARZ-14-REEL7 maintain the full -40°C to 85°C operating temperature range of the original MAX414ESD, making them suitable for industrial and automotive applications requiring extended temperature performance.

For Legacy System Maintenance:

The LT1397CS#PBF and LT1397CS#TRPBF are active alternatives with RoHS3 compliance. These parts operate within a narrower temperature range (0°C to 70°C) and are suitable for commercial-grade applications. The LT1397 series provides 400 MHz bandwidth and 80 mA output current per channel, exceeding the original part's specifications. The LT1397CS#TRPBF variant is packaged in Tape & Reel format for high-volume production.

Compliance Considerations:

All recommended substitute parts are RoHS3 compliant, addressing environmental and regulatory requirements. The original MAX414ESD is RoHS non-compliant and should be replaced in new designs subject to RoHS directives.

Frequently Asked Questions (FAQ)

Q: Can the AD8004ARZ-14 directly replace the MAX414ESD on existing PCBs?

A: Yes. Both parts use the 14-SOIC package with identical 0.154" (3.90mm) width and pin configuration, enabling direct PCB footprint compatibility without layout modifications.

Q: What is the primary difference between the AD8004 and LT1397 substitutes?

A: The AD8004 is a current feedback amplifier with 3000 V/µs slew rate and 250 MHz bandwidth, optimized for high-speed applications. The LT1397 is also a current feedback amplifier with 800 V/µs slew rate and 400 MHz bandwidth, providing superior bandwidth performance. Both exceed the original MAX414ESD specifications.

Q: Are there temperature range limitations when substituting with LT1397 parts?

A: The LT1397CS#PBF and LT1397CS#TRPBF operate from 0°C to 70°C, which is narrower than the MAX414ESD range of -40°C to 85°C. These parts are suitable for commercial-grade applications but not for industrial or automotive applications requiring full -40°C to 85°C operation. The AD8004 series maintains the full temperature range.

Q: What is the difference between AD8004ARZ-14 and AD8004ARZ-14-REEL7?

A: Both parts are electrically identical. The primary difference is packaging: AD8004ARZ-14 is supplied in Tube format, while AD8004ARZ-14-REEL7 is supplied in Cut Tape and Digi-Reel format. The Digi-Reel variant is optimized for automated pick-and-place assembly processes.

Q: Do substitute parts require circuit design changes?

A: No design changes are required for basic substitution. However, the enhanced performance characteristics of substitute parts (higher slew rate, bandwidth, and output current) may enable improved circuit performance in existing designs without modification.

Q: What is the supply voltage compatibility range for substitutes?

A: The MAX414ESD operates from 4.8V to 10.5V. All substitute parts operate from 4V to 12V, providing extended lower and upper voltage limits. Designs operating within the original 4.8V to 10.5V range are fully compatible with all substitutes.

Q: Are all substitute parts RoHS compliant?

A: Yes. All recommended substitute parts (AD8004ARZ-14, AD8004ARZ-14-REEL7, LT1397CS#PBF, and LT1397CS#TRPBF) are RoHS3 compliant. The original MAX414ESD is RoHS non-compliant.

Q: Which substitute part should be selected for high-volume production?

A: For high-volume automated assembly, the AD8004ARZ-14-REEL7 or LT1397CS#TRPBF are recommended due to their Tape & Reel or Cut Tape packaging formats, which integrate directly with pick-and-place equipment.

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