LMP2015MA/NOPB Equivalent & Substitute Parts

Part Overview

The LMP2015MA/NOPB is a general purpose operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device features rail-to-rail output capability and is designed for applications requiring low input bias current and low input offset voltage. The product is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Substitute parts are selected based on matching package type, pin count, supply voltage range, operating temperature range, and functional amplifier classification.

Key Parameters

Parameter	LMP2015MA/NOPB
Manufacturer	Texas Instruments
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
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	5.25 V
Operating Temperature	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the LMP2015MA/NOPB are grouped based on the following substitution criteria:

Primary Matching Parameters:

Package type: 8-SOIC (0.154", 3.90mm Width)
Number of circuits: 1
Mounting type: Surface Mount
Supply voltage compatibility: Minimum 2.7 V, Maximum ≥ 5.25 V
Operating temperature range: -40°C ~ 125°C
Output type: Rail-to-Rail
RoHS3 compliance

Substitution Groups:

Group 1: General Purpose Amplifiers (Direct Functional Equivalents)

ADA4891-1ARZ
ADA4891-1ARZ-RL
ADA4891-1ARZ-R7

These parts maintain the general purpose amplifier classification and rail-to-rail output, with identical package and temperature specifications. Packaging variants differ (Tube, Tape & Reel, Cut Tape & Digi-Reel).

Group 2: Zero-Drift Amplifiers (Enhanced Performance Alternatives)

LMP2021MA/NOPB
AD8571ARZ-REEL7

These parts offer zero-drift amplifier technology with improved input offset voltage specifications. Both maintain 8-SOIC packaging and compatible supply voltage ranges, though with different amplifier type classifications.

Group 3: Low-Power General Purpose Amplifier (Specialized Application)

RE46C311S8F

This part is a general purpose amplifier with significantly reduced supply current but operates within a narrower temperature range (-10°C ~ 60°C) and lower maximum supply voltage (5.5 V), limiting its suitability for full temperature range applications.

Parameter Comparison

Parameter	LMP2015MA/NOPB	LMP2021MA/NOPB	AD8571ARZ-REEL7	ADA4891-1ARZ	ADA4891-1ARZ-RL	ADA4891-1ARZ-R7	RE46C311S8F
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Microchip Technology
Amplifier Type	General Purpose	Zero-Drift	Zero-Drift	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1	1	1
Output Type	Rail-to-Rail	Not Specified	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Voltage - Supply Span (Min)	2.7 V	2.2 V	2.7 V	2.7 V	2.7 V	2.7 V	1.8 V
Voltage - Supply Span (Max)	5.25 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-10°C ~ 60°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Functional Replacement (Recommended Primary Substitutes):

The ADA4891-1ARZ, ADA4891-1ARZ-RL, and ADA4891-1ARZ-R7 are the preferred substitutes for the LMP2015MA/NOPB. All three variants share identical electrical specifications and maintain the general purpose amplifier classification with rail-to-rail output. Selection among these three should be based on packaging requirements: ADA4891-1ARZ (Tube), ADA4891-1ARZ-RL (Tape & Reel), or ADA4891-1ARZ-R7 (Cut Tape & Digi-Reel). All are active products with ROHS3 compliance and full temperature range support (-40°C ~ 125°C).

For Enhanced Performance Applications:

The LMP2021MA/NOPB and AD8571ARZ-REEL7 offer zero-drift amplifier technology, providing superior input offset voltage characteristics. These are suitable when improved DC accuracy is required. Both maintain 8-SOIC packaging and full temperature range operation. LMP2021MA/NOPB is available in Tube packaging, while AD8571ARZ-REEL7 is supplied in Cut Tape & Digi-Reel format.

Not Recommended for Full-Range Applications:

The RE46C311S8F is not recommended as a substitute for applications requiring the full -40°C ~ 125°C operating temperature range, as it operates only from -10°C ~ 60°C. This part is suitable only for applications with restricted temperature requirements.

Compliance Verification:

All recommended substitute parts maintain ROHS3 compliance and are classified as REACH Unaffected, matching the regulatory status of the original LMP2015MA/NOPB.

Frequently Asked Questions (FAQ)

Q: Can the ADA4891-1ARZ variants be used interchangeably with the LMP2015MA/NOPB?

A: Yes. The ADA4891-1ARZ, ADA4891-1ARZ-RL, and ADA4891-1ARZ-R7 are electrically identical and differ only in packaging format (Tube, Tape & Reel, and Cut Tape & Digi-Reel respectively). All three are direct functional equivalents for the LMP2015MA/NOPB in the 8-SOIC package.

Q: What is the difference between the ADA4891 variants and the zero-drift alternatives?

A: The ADA4891 series maintains the general purpose amplifier classification of the original LMP2015MA/NOPB. The zero-drift alternatives (LMP2021MA/NOPB and AD8571ARZ-REEL7) offer improved input offset voltage specifications through zero-drift technology, making them suitable for precision DC applications. Selection depends on application requirements for DC accuracy.

Q: Are all substitute parts available in the same 8-SOIC package?

A: Yes. All substitute parts listed are housed in the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring mechanical and electrical compatibility with the original LMP2015MA/NOPB footprint.

Q: What is the supply voltage compatibility range for substitutes?

A: All recommended substitutes support a minimum supply voltage of 2.7 V and maximum of 5.5 V, which encompasses the original LMP2015MA/NOPB range of 2.7 V to 5.25 V. The RE46C311S8F has a lower minimum of 1.8 V but is not recommended for full temperature range applications.

Q: Do all substitutes support the full operating temperature range of -40°C ~ 125°C?

A: All recommended substitutes except the RE46C311S8F support the full -40°C ~ 125°C operating temperature range. The RE46C311S8F operates only from -10°C ~ 60°C and should not be used in applications requiring extended temperature operation.

Q: Are the substitute parts RoHS compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory compliance of the original LMP2015MA/NOPB.

Q: Which substitute should I choose for high-speed applications?

A: The ADA4891 series (all variants) offers significantly higher slew rate (210 V/µs) and bandwidth (240 MHz) compared to the original LMP2015MA/NOPB (4 V/µs slew rate, 3 MHz bandwidth). For high-speed applications, the ADA4891-1ARZ variants are the appropriate choice.

Q: What packaging format should I specify for production?

A: Packaging selection depends on your assembly process: ADA4891-1ARZ for tube packaging, ADA4891-1ARZ-RL for tape and reel, or ADA4891-1ARZ-R7 for cut tape and Digi-Reel format. All three are electrically identical.

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