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 product status, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Substitute parts must maintain functional compatibility through equivalent electrical performance within the 14-SOIC package form factor and support the operating temperature range of -40°C to 85°C.

Key Parameters

Parameter	MAX414ESD+	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	Circuits
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 (x4 Channels)	mA
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
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MAX414ESD+ are selected based on strict electrical and mechanical compatibility criteria. All substitute parts must meet the following requirements:

Mandatory Compatibility Criteria:

Four independent amplifier circuits in single package
14-SOIC surface mount package form factor (0.154", 3.90mm Width)
Operating temperature range support of -40°C to 85°C minimum
Supply voltage range compatibility within specified minimums and maximums
ROHS3 compliance and MSL 1 rating
Surface mount technology for PCB integration

Electrical Performance Parameters: Substitute parts are grouped by amplifier type classification. The MAX414ESD+ is a general purpose amplifier; however, current feedback amplifier variants are acceptable substitutes when they maintain the four-circuit configuration, package compatibility, and operating specifications. Key electrical parameters that determine substitution validity include slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current per channel.

Active Product Status Preference: Substitute parts with active product status are prioritized over obsolete classifications to ensure long-term availability and manufacturing support.

Parameter Comparison

Parameter	MAX414ESD+	AD8004ARZ-14	AD8004ARZ-14-REEL7	LT1397CS#PBF	LT1397CS#TRPBF	Unit
Number of Circuits	4	4	4	4	4	Circuits
Slew Rate	4.5	3000	3000	800	800	V/µs
Gain Bandwidth Product	28	30	30	—	—	MHz
Current - Input Bias	80	40	40	10	10	µA
Voltage - Input Offset	150	1000	1000	1000	1000	µV
Current - Supply	2.5 (x4)	14	14	4.6 (x4)	4.6 (x4)	mA
Current - Output / Channel	35	50	50	80	80	mA
Voltage - Supply Span (Min)	4.8	4	4	4	4	V
Voltage - Supply Span (Max)	10.5	12	12	12	12	V
Operating Temperature	-40 to 85	-40 to 85	-40 to 85	0 to 70	0 to 70	°C
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
Product Status	Obsolete	Active	Active	Active	Active	—

Engineering Selection Recommendations

AD8004ARZ-14 and AD8004ARZ-14-REEL7 (Analog Devices Inc.)

These current feedback amplifier variants are active products with full manufacturing support. Both parts maintain the four-circuit 14-SOIC package configuration and support the -40°C to 85°C operating temperature range. The AD8004ARZ-14 is supplied in tube packaging, while AD8004ARZ-14-REEL7 is supplied in cut tape and Digi-Reel format. Both variants are ROHS3 compliant with MSL 1 rating. The primary electrical differences include higher slew rate (3000 V/µs versus 4.5 V/µs), comparable gain bandwidth product (30 MHz versus 28 MHz), and higher output current capability (50 mA versus 35 mA per channel). These characteristics make the AD8004 series suitable for applications requiring enhanced dynamic performance.

LT1397CS#PBF and LT1397CS#TRPBF (Analog Devices Inc., LT® Series)

These current feedback amplifier variants are active products from the LT® series. LT1397CS#PBF is supplied in tube packaging; LT1397CS#TRPBF is supplied in tape and reel format. Both maintain the four-circuit 14-SOIC package and ROHS3 compliance with MSL 1 rating. The operating temperature range is 0°C to 70°C, which is narrower than the MAX414ESD+ specification of -40°C to 85°C. The LT1397 series provides significantly higher slew rate (800 V/µs) and output current capability (80 mA per channel). These parts are suitable for applications where the narrower temperature range is acceptable and enhanced performance characteristics are beneficial.

Packaging and Availability Considerations

Substitute part selection should account for packaging format requirements. Tube packaging (AD8004ARZ-14, LT1397CS#PBF) is appropriate for lower-volume applications and manual assembly processes. Cut tape and reel formats (AD8004ARZ-14-REEL7, LT1397CS#TRPBF) are optimized for automated pick-and-place assembly and higher-volume production. All substitute parts are ROHS3 compliant and carry MSL 1 moisture sensitivity rating, indicating unlimited shelf life under standard storage conditions.

Frequently Asked Questions (FAQ)

Q: Can the AD8004ARZ-14 directly replace the MAX414ESD+ in existing designs?

A: The AD8004ARZ-14 maintains package compatibility (14-SOIC), four-circuit configuration, and operating temperature range (-40°C to 85°C). However, the AD8004 is a current feedback amplifier type, whereas the MAX414ESD+ is a general purpose amplifier. Electrical performance differs in slew rate (3000 V/µs versus 4.5 V/µs), input bias current (40 µA versus 80 nA), and output current (50 mA versus 35 mA per channel). Circuit-level validation is required to confirm functional compatibility for specific applications.

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

A: Both parts are electrically identical. The primary difference is packaging format. AD8004ARZ-14 is supplied in tube packaging for manual handling and lower-volume applications. AD8004ARZ-14-REEL7 is supplied in cut tape and Digi-Reel format optimized for automated assembly equipment and higher-volume production runs.

Q: Why do the LT1397 variants have a narrower operating temperature range?

A: The LT1397CS#PBF and LT1397CS#TRPBF are specified for 0°C to 70°C operation, compared to the MAX414ESD+ specification of -40°C to 85°C. Applications requiring full -40°C to 85°C operation must use the AD8004 series variants, which maintain the extended temperature specification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (AD8004ARZ-14, AD8004ARZ-14-REEL7, LT1397CS#PBF, LT1397CS#TRPBF) are ROHS3 compliant with MSL 1 moisture sensitivity level rating, indicating unlimited shelf life under standard storage conditions.

Q: What is the significance of the LT® series designation?

A: The LT® designation indicates parts from the Linear Technology product line, now part of Analog Devices Inc. The LT1397 series represents a distinct product family with specific performance characteristics, including higher slew rate and output current capability compared to the MAX414ESD+.

Q: Can I use LT1397CS#PBF in automated assembly processes?

A: LT1397CS#PBF is supplied in tube packaging, which is designed for manual handling and lower-volume applications. For automated pick-and-place assembly, use LT1397CS#TRPBF, which is supplied in tape and reel format compatible with standard assembly equipment.

Q: What are the key electrical differences between substitute options?

A: The AD8004 series provides slew rate of 3000 V/µs and output current of 50 mA per channel. The LT1397 series provides slew rate of 800 V/µs and output current of 80 mA per channel. The MAX414ESD+ provides slew rate of 4.5 V/µs and output current of 35 mA per channel. Selection depends on specific application requirements for dynamic performance and output drive capability.

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