MAX4323ESA-T Equivalent & Substitute Parts

Part Overview

The MAX4323ESA-T is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-SOIC surface-mount package. This device features rail-to-rail output capability with a 5 MHz gain-bandwidth product and operates across a 2.4 V to 6.5 V supply range. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain compatibility with the 8-SOIC package format and preserve critical electrical performance parameters within acceptable tolerances for general-purpose amplifier applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	2	V/µs
Gain Bandwidth Product	5	MHz
Current - Input Bias	50	nA
Voltage - Input Offset	700	µV
Current - Supply	725	µA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.4	V
Voltage - Supply Span (Max)	6.5	V
Operating Temperature	-40 to 85	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4323ESA-T is determined by strict adherence to the following criteria:

Mandatory Compatibility Parameters:

Package format: 8-SOIC (0.154", 3.90mm Width)
Mounting type: Surface Mount
Amplifier classification: General Purpose
Output configuration: Rail-to-Rail
Number of circuits: 1

Electrical Performance Boundaries: Substitute parts must operate within the supply voltage range of 2.4 V to 6.5 V minimum. The gain-bandwidth product, slew rate, input bias current, input offset voltage, supply current, and output current specifications define the functional envelope. Parts with superior electrical performance (higher bandwidth, lower offset, higher output current) are acceptable substitutes. Parts with degraded performance in critical parameters may be acceptable only if the application does not require the original specification level.

Packaging and Compliance: All substitute parts must be RoHS3 compliant and maintain the same 8-SOIC package geometry. Moisture sensitivity level and REACH status must be documented for procurement and storage planning.

Parameter Comparison

Parameter	MAX4323ESA-T	MAX4323ESA+T	OPA363ID	TLV2460AIDR	TLV2460CDR	TLV2460ID	TLV2460IDR	TLV2471AIDR	TLV2471CDR
Manufacturer	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Last Time Buy	Active	Last Time Buy	Last Time Buy	Active	Active
Packaging	—	Tape & Reel	Tube	Tape & Reel	Tape & Reel	Tube	Tape & Reel	Tape & Reel	Tape & Reel
Slew Rate (V/µs)	2	2	5	1.6	1.6	1.6	1.6	1.5	1.5
Gain Bandwidth Product (MHz)	5	5	7	6.4	6.4	6.4	6.4	2.8	2.8
Current - Input Bias (nA)	50	50	0.001	1.3	1.3	1.3	1.3	0.0025	0.0025
Voltage - Input Offset (µV)	700	700	500	500	500	500	500	250	250
Current - Supply (µA)	725	725	1100	550	550	550	550	600	600
Current - Output / Channel (mA)	50	50	85	80	80	80	80	35	35
Voltage - Supply Span Min (V)	2.4	2.4	1.8	2.7	2.7	2.7	2.7	2.7	2.7
Voltage - Supply Span Max (V)	6.5	6.5	5.5	6	6	6	6	6	6
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	0 to 70	-40 to 125	-40 to 125	-40 to 125	0 to 70
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1	1	2	1	1	1	1	1	1

Engineering Selection Recommendations

Primary Substitute: MAX4323ESA+T

The MAX4323ESA+T is the direct equivalent of the MAX4323ESA-T, manufactured by Analog Devices Inc./Maxim Integrated. This part maintains identical electrical specifications and package format. The only difference is the packaging format (Tape & Reel versus unspecified original packaging) and active product status. This part is the preferred substitute for direct replacement in new procurement and redesign activities.

Secondary Substitutes: TLV2460 Series (Texas Instruments)

The TLV2460AIDR, TLV2460CDR, TLV2460ID, and TLV2460IDR variants are functionally compatible substitutes. These parts offer superior gain-bandwidth product (6.4 MHz versus 5 MHz), lower input offset voltage (500 µV versus 700 µV), and higher output current capability (80 mA versus 50 mA). The TLV2460 series operates within the required supply voltage range (2.7 V to 6 V minimum, overlapping with the MAX4323 range of 2.4 V to 6.5 V). Selection among TLV2460 variants depends on temperature range requirements and packaging format:

TLV2460AIDR and TLV2460IDR: Extended temperature range (-40°C to 125°C), suitable for industrial applications
TLV2460CDR and TLV2460CD: Commercial temperature range (0°C to 70°C), suitable for consumer applications

Alternative Substitute: OPA363ID (Texas Instruments)

The OPA363ID offers the highest performance envelope with 7 MHz gain-bandwidth product, 5 V/µs slew rate, and 85 mA output current. However, this part operates at a lower minimum supply voltage (1.8 V) and has a higher supply current (1.1 mA). The OPA363ID is suitable for applications requiring superior dynamic performance and higher output drive capability.

Lower Performance Alternative: TLV2471 Series (Texas Instruments)

The TLV2471AIDR and TLV2471CDR are suitable substitutes for applications where lower bandwidth (2.8 MHz) and reduced output current (35 mA) are acceptable. These parts feature superior input offset voltage (250 µV) and extremely low input bias current (2.5 pA). Selection between variants depends on temperature range:

TLV2471AIDR: Extended temperature range (-40°C to 125°C)
TLV2471CDR: Commercial temperature range (0°C to 70°C)

Product Status Considerations:

MAX4323ESA+T is the only active product with identical specifications. TLV2460AIDR, TLV2460CDR, TLV2460IDR, TLV2471AIDR, and TLV2471CDR are active products with long-term availability. TLV2460ID and TLV2460ID are designated Last Time Buy, indicating limited future availability. OPA363ID is active with no stated availability restrictions.

Compliance and Certification:

All substitute parts are RoHS3 compliant and REACH unaffected. Moisture sensitivity levels range from 1 (unlimited shelf life) to 2 (1-year shelf life). Parts with MSL 1 rating (MAX4323ESA+T, TLV2460 series, TLV2471 series) are preferred for long-term inventory management.

Frequently Asked Questions (FAQ)

Q: Can the MAX4323ESA-T be directly replaced with MAX4323ESA+T?

A: Yes. The MAX4323ESA+T is the direct equivalent with identical electrical specifications and 8-SOIC package format. The only difference is the packaging format (Tape & Reel). Both parts are RoHS3 compliant with MSL 1 rating. The MAX4323ESA+T is active and recommended for new procurement.

Q: What are the key differences between MAX4323ESA-T and TLV2460 series substitutes?

A: The TLV2460 series offers improved performance: 6.4 MHz bandwidth (versus 5 MHz), 500 µV input offset (versus 700 µV), and 80 mA output current (versus 50 mA). The minimum supply voltage is 2.7 V (versus 2.4 V for MAX4323). All parts maintain 8-SOIC package compatibility and rail-to-rail output. TLV2460 variants are available in extended temperature range (-40°C to 125°C) and commercial range (0°C to 70°C).

Q: Is the OPA363ID a suitable substitute for the MAX4323ESA-T?

A: The OPA363ID is functionally compatible with superior performance specifications: 7 MHz bandwidth, 5 V/µs slew rate, and 85 mA output current. However, it operates at a lower minimum supply voltage (1.8 V) and higher supply current (1.1 mA). The OPA363ID is suitable for applications requiring enhanced dynamic performance and higher output drive capability. MSL rating is 2 (1-year shelf life), requiring more careful inventory management.

Q: What is the difference between TLV2460 and TLV2471 series?

A: Both series are rail-to-rail general-purpose amplifiers in 8-SOIC packages. TLV2460 offers higher bandwidth (6.4 MHz versus 2.8 MHz) and higher output current (80 mA versus 35 mA), making it closer to MAX4323 performance. TLV2471 features lower input offset voltage (250 µV versus 500 µV) and extremely low input bias current (2.5 pA versus 1.3 nA), suitable for precision applications where bandwidth is not critical. Both series are available in extended and commercial temperature ranges.

Q: Which substitute part should I select for industrial applications requiring -40°C to 125°C operation?

A: For industrial temperature range, select from: MAX4323ESA+T (identical specifications, active status), TLV2460AIDR or TLV2460IDR (improved performance), TLV2471AIDR (precision performance), or OPA363ID (highest performance). All maintain 8-SOIC package compatibility and RoHS3 compliance. MAX4323ESA+T is recommended for direct replacement; TLV2460AIDR is recommended for improved performance with long-term availability.

Q: Are there packaging format differences among substitute parts?

A: Yes. MAX4323ESA+T is supplied in Tape & Reel format. TLV2460AIDR, TLV2460CDR, TLV2460IDR, TLV2471AIDR, and TLV2471CDR are supplied in Tape & Reel format. TLV2460CD, TLV2460ID, TLV2470AID, and OPA363ID are supplied in Tube format. Tape & Reel packaging is preferred for automated assembly; Tube packaging is suitable for manual assembly or lower-volume applications. All parts use identical 8-SOIC package geometry.

Q: What is the impact of moisture sensitivity level (MSL) on part selection?

A: MSL 1 parts (MAX4323ESA+T, TLV2460 series, TLV2471 series) have unlimited shelf life and require standard moisture control during storage and handling. MSL 2 parts (OPA363ID) have 1-year shelf life from manufacturing date and require more stringent moisture control, including baking before reflow soldering if shelf life is exceeded. For long-term inventory and supply chain flexibility, MSL 1 parts are preferred.

Q: Can I use TLV2460CDR or TLV2471CDR in applications requiring -40°C to 85°C operation?

A: No. TLV2460CDR and TLV2471CDR are rated for 0°C to 70°C commercial temperature range only. For -40°C to 85°C operation, use TLV2460AIDR, TLV2460IDR, TLV2471AIDR, or MAX4323ESA+T. Exceeding the specified operating temperature range may result in out-of-specification performance or device failure.

Q: What is the supply voltage compatibility range for substitute parts?

A: MAX4323ESA-T and MAX4323ESA+T: 2.4 V to 6.5 V. TLV2460 series: 2.7 V to 6 V. TLV2471 series: 2.7 V to 6 V. OPA363ID: 1.8 V to 5.5 V. All parts are compatible with standard 5 V and 3.3 V supply rails. For applications using 2.4 V to 2.6 V supplies, only MAX4323ESA+T is suitable. For applications using 5.5 V to 6.5 V supplies, only MAX4323ESA+T is suitable.

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