MAX414CSD Equivalent & Substitute Parts

Part Overview

The MAX414CSD 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 classified as obsolete. The MAX414CSD operates across a supply voltage range of 4.8 V to 10.5 V with an operating temperature range of 0°C to 70°C. Due to its obsolete product status, equivalent and substitute parts are necessary for ongoing design support, production continuity, and system maintenance where the MAX414CSD is no longer readily available or where design refresh is required.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX414CSD
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	4
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	0°C ~ 70°C
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the MAX414CSD is determined by the following critical parameters:

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

Circuit Count: All substitutes contain four independent amplifier circuits, matching the quad-channel configuration of the MAX414CSD.

Supply Voltage Range: Substitute parts must operate within or encompass the MAX414CSD supply voltage range of 4.8 V to 10.5 V. Substitutes with wider supply ranges (4 V to 12 V) are acceptable as they provide extended operational flexibility.

Output Current Capability: Substitute parts must deliver sufficient output current per channel. The MAX414CSD provides 35 mA per channel; substitutes with equal or greater output current (50 mA or 80 mA) satisfy this requirement.

Amplifier Architecture: While the MAX414CSD is a general-purpose amplifier, substitute parts classified as current feedback amplifiers (AD8004ARZ-14, LT1397CS#PBF, LT1397CS#TRPBF) are functionally compatible due to their quad-channel configuration, identical package, and overlapping electrical performance envelope.

Compliance and Availability: Active product status and RoHS3 compliance are preferred for new designs and long-term supply assurance.

Parameter Comparison

Parameter	MAX414CSD	AD8004ARZ-14	AD8004ARZ-14-REEL7	LT1397CS#PBF	LT1397CS#TRPBF
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	General Purpose	Current Feedback	Current Feedback	Current Feedback	Current Feedback
Number of Circuits	4	4	4	4	4
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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	Not specified	Not specified
-3dB Bandwidth	Not specified	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 Channels)	14 mA	14 mA	4.6 mA (x4 Channels)	4.6 mA (x4 Channels)
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	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	Not specified	Tube	Cut Tape (CT) & Digi-Reel®	Tube	Tape & Reel (TR)

Engineering Selection Recommendations

For Active Production and New Designs:

The LT1397CS#PBF and LT1397CS#TRPBF are the preferred substitutes for the MAX414CSD. Both parts are manufactured by Analog Devices Inc., carry active product status, and are ROHS3 compliant. The LT1397 series offers superior output current capability (80 mA per channel versus 35 mA), higher bandwidth performance (400 MHz -3dB bandwidth), and lower input bias current (10 µA). The identical operating temperature range (0°C ~ 70°C) and supply voltage compatibility (4 V to 12 V) ensure direct functional replacement. Selection between LT1397CS#PBF (Tube packaging) and LT1397CS#TRPBF (Tape & Reel packaging) depends on procurement and assembly requirements.

For Extended Temperature Range Applications:

The AD8004ARZ-14 and AD8004ARZ-14-REEL7 provide an extended operating temperature range of -40°C to 85°C, which exceeds the MAX414CSD specification. These current feedback amplifiers deliver 50 mA output current per channel and 250 MHz -3dB bandwidth. Both variants are ROHS3 compliant and active products. Selection between AD8004ARZ-14 (Tube packaging) and AD8004ARZ-14-REEL7 (Cut Tape & Digi-Reel packaging) is determined by supply chain and assembly process requirements.

Compliance Considerations:

All substitute parts are ROHS3 compliant, addressing the RoHS non-compliance status of the obsolete MAX414CSD. This compliance is mandatory for applications subject to environmental regulations and for integration into modern supply chains.

Frequently Asked Questions (FAQ)

Q: Can the AD8004ARZ-14 directly replace the MAX414CSD on existing PCBs?

A: Yes. Both devices use the identical 14-SOIC (0.154", 3.90mm Width) surface mount package. The PCB footprint is compatible without modification. Electrical performance is compatible within the specified operating conditions.

Q: What is the primary difference between the LT1397CS#PBF and LT1397CS#TRPBF?

A: Both parts are electrically identical. The difference is packaging format: LT1397CS#PBF is supplied in Tube packaging, while LT1397CS#TRPBF is supplied in Tape & Reel format. Selection depends on procurement volume and assembly equipment compatibility.

Q: Why do the substitute parts have higher slew rates and bandwidth than the MAX414CSD?

A: The substitute parts are current feedback amplifiers, which are a different amplifier architecture optimized for higher frequency performance. The enhanced specifications (3000 V/µs slew rate and 250-400 MHz bandwidth for substitutes versus 4.5 V/µs and 28 MHz for the MAX414CSD) provide superior performance margins. These enhanced characteristics do not create compatibility issues; they provide additional design flexibility.

Q: Is the MAX414CSD still available for purchase?

A: The MAX414CSD is classified as obsolete. Substitute parts with active product status (AD8004ARZ-14, LT1397CS#PBF, LT1397CS#TRPBF) are recommended for new designs and ongoing production to ensure long-term supply availability.

Q: What is the impact of the higher input bias current in the AD8004 series compared to the LT1397 series?

A: The AD8004ARZ-14 has 40 µA input bias current, while the LT1397CS series has 10 µA. For most general-purpose amplifier applications, this difference is not critical. Applications with very high source impedance or precision signal conditioning may benefit from the lower input bias current of the LT1397 series.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts (AD8004ARZ-14, AD8004ARZ-14-REEL7, LT1397CS#PBF, LT1397CS#TRPBF) are ROHS3 compliant. The MAX414CSD is RoHS non-compliant, making the substitutes necessary for applications subject to environmental regulations.

Q: Can I use the AD8004ARZ-14-REEL7 in place of the AD8004ARZ-14?

A: Yes. Both parts are electrically identical. The difference is packaging: AD8004ARZ-14 is supplied in Tube format, while AD8004ARZ-14-REEL7 is supplied in Cut Tape & Digi-Reel format. Selection is based on procurement and assembly process requirements.

Q: What supply voltage range should I use for the substitute parts?

A: All substitute parts operate within 4 V to 12 V supply range, which encompasses the MAX414CSD range of 4.8 V to 10.5 V. Existing power supply designs for the MAX414CSD are compatible with all substitutes.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message