MAX407CSA Equivalent & Substitute Parts Reference

Part Overview

The MAX407CSA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, configured as a dual-circuit (2-channel) rail-to-rail amplifier in an 8-SOIC surface-mount package. This device is classified as obsolete, indicating that direct procurement from the original manufacturer is no longer available through standard channels. The part operates across a supply voltage range of 2.5 V to 10 V with an operating temperature range of 0°C to 70°C. Due to its obsolete status and the need for continued system support, equivalent substitute parts with compatible electrical and mechanical characteristics are necessary for design continuity and component sourcing.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Slew Rate	0.005	V/µs
Gain Bandwidth Product	8	kHz
Current - Input Bias	0.1	pA
Voltage - Input Offset	1	mV
Current - Supply (per Channel)	1	µA
Current - Output / Channel	600	µA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	10	V
Operating Temperature	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MAX407CSA is determined by strict adherence to the following electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width) — mechanical compatibility required
Mounting Type: Surface Mount — assembly process compatibility
Number of Circuits: 2 — functional equivalence
Output Type: Rail-to-Rail — signal handling capability
Voltage - Supply Span: Minimum 2.5 V, Maximum 10 V — power supply compatibility
Operating Temperature: Must support 0°C to 70°C range

Secondary Performance Parameters:

Slew Rate: 0.005 V/µs or greater
Gain Bandwidth Product: 8 kHz or greater
Current - Input Bias: 0.1 pA or lower
Voltage - Input Offset: 1 mV or lower
Current - Output / Channel: 600 µA or greater

Substitute parts are grouped into two categories based on amplifier type: General Purpose amplifiers (LMC6442 series) and CMOS amplifiers (LMC6062, LPC662 series). Each category maintains the required 8-SOIC package and dual-circuit configuration while offering varying levels of performance enhancement and compliance status.

Parameter Comparison

Parameter	MAX407CSA	MAX407CSA+	LMC6442AIMX/NOPB	LMC6442AIM/NOPB	LMC6442IMX/NOPB	LMC6062IM/NOPB	LMC6062IMX/NOPB	LPC662IM/NOPB	LPC662IMX/NOPB	LPV358M/NOPB
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	CMOS	CMOS	CMOS	CMOS	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.005	0.005	0.0041	0.0041	0.0041	0.035	0.035	0.11	0.11	0.1
Gain Bandwidth Product (kHz)	8	8	10.5	10.5	10.5	100	100	350	350	152
Current - Input Bias (pA)	0.1	0.1	0.005	0.005	0.005	0.01	0.01	0.002	0.002	2 nA
Voltage - Input Offset (mV)	1	1	1.5	1.5	1.5	0.1	0.1	1	1	1.5
Current - Supply per Channel (µA)	1	1	1.9	1.9	1.9	40	40	86	86	15
Current - Output / Channel (mA)	0.6	0.6	2.1	2.1	2.1	35	35	40	40	16
Voltage - Supply Span Min (V)	2.5	2.5	1.8	1.8	1.8	4.5	4.5	4.75	4.75	2.7
Voltage - Supply Span Max (V)	10	10	11	11	11	15.5	15.5	15.5	15.5	5
Operating Temperature (°C)	0 to 70	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Mounting Type	Surface Mount	Surface Mount	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	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	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Highest Compatibility):

MAX407CSA+ is the direct successor to MAX407CSA, manufactured by Analog Devices Inc./Maxim Integrated. This part maintains identical electrical specifications and 8-SOIC packaging while offering Active product status and ROHS3 compliance. The primary distinction is packaging format (Tube vs. original specification) and improved regulatory compliance. This part is recommended for applications requiring minimal design validation.

General Purpose Amplifier Alternatives (LMC6442 Series):

The LMC6442AIMX/NOPB, LMC6442AIM/NOPB, LMC6442IMX/NOPB, and LMC6442IM/NOPB represent functionally equivalent general-purpose amplifiers manufactured by Texas Instruments and National Semiconductor. These parts maintain the dual-circuit, rail-to-rail configuration and 8-SOIC package. Key differences include:

Improved input bias current (0.005 pA vs. 0.1 pA)
Extended operating temperature range (-40°C to 85°C vs. 0°C to 70°C)
Expanded supply voltage range (1.8 V to 11 V vs. 2.5 V to 10 V)
Active product status with ROHS3 compliance
Slightly higher slew rate (0.0041 V/µs) and gain bandwidth product (10.5 kHz)

The LMC6442IMX/NOPB variant offers the highest inventory availability (8003 units) and Tape & Reel packaging suitable for automated assembly. The LMC6442AIMX/NOPB provides equivalent performance with 3210 units in stock.

CMOS Amplifier Alternatives (LMC6062 and LPC662 Series):

The LMC6062IM/NOPB and LMC6062IMX/NOPB are CMOS amplifiers with push-pull, rail-to-rail output configuration. These parts offer significantly enhanced performance characteristics:

Slew rate: 0.035 V/µs (7× improvement)
Gain bandwidth product: 100 kHz (12.5× improvement)
Output current per channel: 35 mA (58× improvement)
Extended supply voltage range: 4.5 V to 15.5 V

The LMC6062IMX/NOPB is recommended for applications requiring higher bandwidth and output drive capability, with 5251 units available in Tape & Reel format and Active product status.

The LPC662IM/NOPB and LPC662IMX/NOPB represent the highest-performance CMOS option:

Slew rate: 0.11 V/µs (22× improvement)
Gain bandwidth product: 350 kHz (43.75× improvement)
Output current per channel: 40 mA (66× improvement)

Both LPC662 variants carry Last Time Buy status, indicating limited future availability. The LPC662IMX/NOPB provides 1376 units in Tape & Reel format.

Low-Voltage General Purpose Alternative (LPV358M/NOPB):

The LPV358M/NOPB is a general-purpose amplifier optimized for low-voltage applications (2.7 V to 5 V supply range). This part offers:

Slew rate: 0.1 V/µs (20× improvement)
Gain bandwidth product: 152 kHz (19× improvement)
Output current per channel: 16 mA (26× improvement)
Active product status with ROHS3 compliance

This part is suitable for applications with constrained supply voltage requirements below 4.5 V.

Selection Criteria Summary:

For direct replacement with minimal validation: MAX407CSA+
For extended temperature range and improved specifications: LMC6442AIMX/NOPB or LMC6442IMX/NOPB
For enhanced bandwidth and output drive: LMC6062IMX/NOPB
For maximum performance (highest bandwidth and output current): LPC662IMX/NOPB
For low-voltage applications (2.7 V to 5 V): LPV358M/NOPB

All recommended substitutes maintain the 8-SOIC package, dual-circuit configuration, and surface-mount compatibility required for direct PCB integration.

Frequently Asked Questions (FAQ)

Q1: Can MAX407CSA+ be used as a direct drop-in replacement for MAX407CSA?

A: Yes. MAX407CSA+ maintains identical electrical specifications, including slew rate (0.005 V/µs), gain bandwidth product (8 kHz), supply voltage range (2.5 V to 10 V), and 8-SOIC package configuration. The primary difference is product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No circuit redesign is required.

Q2: What are the key differences between general-purpose (LMC6442) and CMOS (LMC6062, LPC662) substitutes?

A: General-purpose amplifiers (LMC6442 series) maintain performance characteristics closest to the original MAX407CSA, with slew rates of 0.0041 V/µs and gain bandwidth products of 10.5 kHz. CMOS amplifiers offer significantly higher performance: LMC6062 provides 0.035 V/µs slew rate and 100 kHz bandwidth; LPC662 provides 0.11 V/µs slew rate and 350 kHz bandwidth. CMOS variants also feature higher output current capability (35-40 mA vs. 0.6-2.1 mA) and extended supply voltage ranges (4.5-15.5 V). Selection depends on application bandwidth and output drive requirements.

Q3: Are all substitute parts compatible with the original 8-SOIC package footprint?

A: Yes. All substitute parts listed use the 8-SOIC (0.154", 3.90mm Width) package with identical pin configuration and mechanical dimensions. Direct PCB footprint compatibility is confirmed for all parts.

Q4: What is the significance of "Last Time Buy" status for LMC6062IM/NOPB and LPC662 series?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for these products. Existing inventory will be sold until depletion, after which the parts will no longer be available. For new designs or long-term production requirements, Active-status alternatives (LMC6442AIMX/NOPB, LMC6062IMX/NOPB, LPV358M/NOPB) are recommended to ensure sustained component availability.

Q5: Which substitute part offers the best balance of performance and availability?

A: LMC6442IMX/NOPB provides optimal balance with 8003 units in stock, Active product status, ROHS3 compliance, and performance improvements over the original MAX407CSA (improved input bias current, extended temperature range, expanded supply voltage range). This part is suitable for most general-purpose amplifier applications requiring enhanced specifications without extreme bandwidth or output current demands.

Q6: Can LPV358M/NOPB be used in applications originally designed for MAX407CSA?

A: LPV358M/NOPB is compatible only for applications with supply voltage constraints between 2.7 V and 5 V. The original MAX407CSA supports 2.5 V to 10 V operation. If the application requires supply voltages above 5 V, LPV358M/NOPB is not suitable. For applications within the 2.7-5 V range, LPV358M/NOPB offers superior bandwidth (152 kHz) and output current (16 mA).

Q7: What packaging formats are available for the recommended substitutes?

A: Packaging formats vary by part number:

Tube: MAX407CSA+, LMC6442AIM/NOPB, LMC6062IM/NOPB, LPC662IM/NOPB, LPV358M/NOPB
Tape & Reel (TR): LMC6442AIMX/NOPB, LMC6442IMX/NOPB, LMC6062IMX/NOPB, LPC662IMX/NOPB
Bulk: LMC6442IM/NOPB

Tape & Reel format is recommended for automated assembly processes. Tube format is suitable for manual assembly or lower-volume production.

Q8: Are all substitute parts RoHS compliant?

A: All substitute parts listed are ROHS3 compliant. The original MAX407CSA is RoHS non-compliant. If RoHS compliance is a regulatory requirement, any of the listed substitutes satisfy this requirement.

Q9: What is the operating temperature range difference, and does it affect substitution?

A: The original MAX407CSA operates from 0°C to 70°C. All substitute parts extend this range to -40°C to 85°C (except LPV358M/NOPB, which also operates -40°C to 85°C). If the application operates within the original 0°C to 70°C range, all substitutes are compatible. If extended temperature operation is required, all substitutes support this capability.

Q10: Which substitute part is recommended for high-speed signal processing applications?

A: LPC662IMX/NOPB is recommended for high-speed applications, offering the highest gain bandwidth product (350 kHz), fastest slew rate (0.11 V/µs), and highest output current per channel (40 mA). This part is suitable for applications requiring bandwidth significantly exceeding the original MAX407CSA specification (8 kHz). Note that LPC662 variants carry Last Time Buy status; for sustained availability, LMC6062IMX/NOPB provides the next-highest performance tier with Active status.

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