MAX407CSA-T Equivalent & Substitute Parts

Part Overview

The MAX407CSA-T is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, configured as a dual-channel (2 circuit) rail-to-rail amplifier in an 8-SOIC surface mount package. This part is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The MAX407CSA-T operates across a 2.5 V to 10 V supply range with extremely low input bias current (0.1 pA) and is suitable for low-power analog signal conditioning applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	MAX407CSA-T	—
Manufacturer	Analog Devices Inc./Maxim Integrated	—
Product Status	Obsolete	—
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Slew Rate	0.005	V/µs
Gain Bandwidth Product	8	kHz
Current - Input Bias	0.1	pA
Voltage - Input Offset	1	mV
Current - Supply	1	µA (x2 Channels)
Current - Output / Channel	600	µA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	10	V
Operating Temperature	0 to 70	°C
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MAX407CSA-T is determined by the following critical parameters:

Primary Substitution Criteria:

Package type: 8-SOIC surface mount form factor
Circuit configuration: Dual-channel (2 circuits) amplifier
Output topology: Rail-to-rail capability
Supply voltage range: Minimum 2.5 V, maximum 10 V overlap required
Amplifier classification: General-purpose operational amplifier

Secondary Compatibility Factors:

Input bias current characteristics (ultra-low bias preferred for signal integrity)
Slew rate and gain-bandwidth product (application-dependent performance requirements)
Operating temperature range (industrial or extended range)
Compliance certifications: RoHS3, REACH, MSL rating

The substitute parts are grouped into two categories:

Category 1: Direct Functional Equivalents (Maxim/Analog Devices Family)

MAX407CSA+T: Active product status variant with identical electrical specifications

Category 2: Cross-Manufacturer General-Purpose Alternatives (Texas Instruments / National Semiconductor / STMicroelectronics)

LMC6442 series (AIM/NOPB, AIMX/NOPB, IM/NOPB, IMX/NOPB): Enhanced performance with extended temperature range and improved input bias current
LPV358 series (M/NOPB, MX/NOPB): Higher bandwidth and slew rate for faster signal processing
TS972IDT: Automotive-qualified alternative with extended temperature range
TS462CDT: High-speed alternative with significantly improved slew rate and bandwidth
LPC662IMX/NOPB: CMOS topology with push-pull output and higher output current capability

All substitute parts maintain 8-SOIC packaging, dual-channel configuration, and rail-to-rail output characteristics.

Parameter Comparison

Part Number	Manufacturer	Product Status	Slew Rate (V/µs)	GBW (kHz)	Input Bias (pA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package
MAX407CSA-T	Analog Devices	Obsolete	0.005	8	0.1	2.5	10	0 to 70	8-SOIC
MAX407CSA+T	Analog Devices	Active	0.005	8	0.1	2.5	10	0 to 70	8-SOIC
LMC6442AIM/NOPB	Texas Instruments	Active	0.0041	10.5	0.005	1.8	11	-40 to 85	8-SOIC
LMC6442AIMX/NOPB	Texas Instruments	Active	0.0041	10.5	0.005	1.8	11	-40 to 85	8-SOIC
LMC6442IM/NOPB	National Semiconductor	Active	0.0041	10.5	0.005	1.8	11	-40 to 85	8-SOIC
LMC6442IMX/NOPB	Texas Instruments	Active	0.0041	10.5	0.005	1.8	11	-40 to 85	8-SOIC
LPC662IMX/NOPB	Texas Instruments	Last Time Buy	0.11	350	0.002	4.75	15.5	-40 to 85	8-SOIC
LPV358M/NOPB	Texas Instruments	Active	0.1	152	2	2.7	5	-40 to 85	8-SOIC
LPV358MX/NOPB	Texas Instruments	Active	0.1	152	2	2.7	5	-40 to 85	8-SOIC
TS462CDT	STMicroelectronics	Active	4	12000	200	2.7	10	-20 to 70	8-SOIC
TS972IDT	STMicroelectronics	Active	4	12000	200	2.7	10	-40 to 125	8-SOIC

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

MAX407CSA+T is the primary recommended substitute. This part maintains identical electrical specifications to the obsolete MAX407CSA-T while offering active product status from Analog Devices Inc./Maxim Integrated. Both parts are ROHS3 compliant with MSL 1 rating. The MAX407CSA+T is available in higher inventory (1560 pcs) compared to the original part (685 pcs), ensuring supply continuity for production requirements.

For Extended Temperature Range Applications:

LMC6442 series parts (LMC6442AIM/NOPB, LMC6442AIMX/NOPB, LMC6442IM/NOPB, LMC6442IMX/NOPB) provide active product status with extended operating temperature range (-40°C to 85°C) and improved input bias current (0.005 pA). These parts support wider supply voltage range (1.8 V to 11 V) and are suitable for industrial and automotive applications. LMC6442IMX/NOPB offers the highest inventory availability (8003 pcs) in tape & reel packaging.

For High-Speed Signal Processing:

TS972IDT and TS462CDT provide significantly enhanced slew rate (4 V/µs) and gain-bandwidth product (12 MHz), suitable for applications requiring faster transient response. TS972IDT includes automotive qualification (AEC-Q100) and extended temperature range (-40°C to 125°C), making it suitable for automotive and industrial environments. TS462CDT operates across -20°C to 70°C range.

For Low-Voltage Supply Applications:

LPV358M/NOPB and LPV358MX/NOPB support minimum supply voltage of 2.7 V with higher slew rate (0.1 V/µs) and gain-bandwidth product (152 kHz). These parts are suitable for battery-powered and low-voltage analog signal conditioning. LPV358MX/NOPB offers highest inventory (27503 pcs) in tape & reel format.

For Push-Pull Output Requirements:

LPC662IMX/NOPB provides CMOS topology with push-pull, rail-to-rail output and higher output current capability (40 mA per channel). This part is suitable for applications requiring higher drive capability. Product status is Last Time Buy; inventory is limited (1376 pcs).

All recommended substitutes maintain 8-SOIC surface mount packaging and dual-channel configuration. Selection should be based on specific application requirements for supply voltage range, operating temperature, slew rate, and output current capability.

Frequently Asked Questions (FAQ)

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

A: Yes. MAX407CSA+T is electrically and functionally identical to MAX407CSA-T. Both parts feature identical slew rate (0.005 V/µs), gain-bandwidth product (8 kHz), input bias current (0.1 pA), supply voltage range (2.5 V to 10 V), and operating temperature range (0°C to 70°C). The primary difference is product status: MAX407CSA+T is active while MAX407CSA-T is obsolete. Both are packaged in 8-SOIC and are ROHS3 compliant.

Q2: What are the key differences between LMC6442 series and the original MAX407CSA-T?

A: LMC6442 series parts offer improved specifications: lower 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), and wider supply voltage range (1.8 V to 11 V vs. 2.5 V to 10 V). Slew rate and gain-bandwidth product are comparable. LMC6442 parts are manufactured by Texas Instruments or National Semiconductor and are active products with higher inventory availability.

Q3: When should TS972IDT be selected over LMC6442 alternatives?

A: TS972IDT should be selected for automotive applications requiring extended temperature range (-40°C to 125°C) and AEC-Q100 qualification. TS972IDT provides significantly higher slew rate (4 V/µs vs. 0.0041 V/µs) and gain-bandwidth product (12 MHz vs. 10.5 kHz), making it suitable for high-speed signal processing. However, input bias current is higher (200 nA vs. 0.005 pA), which may affect precision analog applications.

Q4: Is the 8-SOIC package identical across all substitute parts?

A: Yes. All substitute parts listed use 8-SOIC surface mount package with 0.154" (3.90mm) width. PCB footprints and reflow soldering profiles are compatible across all parts. No layout modifications are required for package substitution.

Q5: What is the difference between tube and tape & reel packaging options?

A: Tube packaging (M/NOPB designation) is suitable for manual assembly and lower-volume production. Tape & reel packaging (MX/NOPB designation) is optimized for automated pick-and-place assembly and high-volume manufacturing. Electrical specifications are identical; packaging choice depends on assembly process requirements and volume.

Q6: Can LPV358 series be used in applications requiring 10 V supply voltage?

A: No. LPV358M/NOPB and LPV358MX/NOPB support maximum supply voltage of 5 V, which is lower than the MAX407CSA-T maximum of 10 V. These parts are suitable only for applications with supply voltage range of 2.7 V to 5 V. For 10 V supply applications, use MAX407CSA+T, LMC6442 series, or TS972IDT.

Q7: What is the significance of "Last Time Buy" status for LPC662IMX/NOPB?

A: Last Time Buy status indicates that Texas Instruments has announced end-of-life for this product. Current inventory (1376 pcs) represents the final available stock. LPC662IMX/NOPB should not be selected for new designs requiring long-term supply continuity. Use active products such as LMC6442 series or TS972IDT for new designs.

Q8: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and have MSL 1 (Unlimited) moisture sensitivity rating. All parts are suitable for lead-free soldering processes and meet environmental compliance requirements equivalent to the original MAX407CSA-T.

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