LMV981MF Equivalent & Substitute Parts

Part Overview

The LMV981MF is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-6 surface mount package. This device features rail-to-rail output capability and operates across a 1.8 V to 5 V supply voltage range, making it suitable for low-power analog signal processing applications. The LMV981MF is designated as Last Time Buy, indicating that the original cut tape packaging variant is being discontinued. Identifying equivalent substitute parts is necessary to ensure design continuity and maintain supply chain reliability for ongoing production and new designs.

Substiute Parts

LMV981MF

Texas InstrumentsIn Stock: 2868LMV981MF Datasheet

Current PartRFQ

LMV981MF/NOPB

Texas InstrumentsIn Stock: 2300LMV981MF/NOPB Datasheet

DirectRFQ

LMV981MFX/NOPB

Texas InstrumentsIn Stock: 20350LMV981MFX/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LMV981MF is determined by electrical and mechanical parameter equivalence. All substitute parts must maintain identical specifications across the following critical parameters: amplifier type (general purpose), number of circuits (1), output type (rail-to-rail), slew rate (0.42 V/µs), gain bandwidth product (1.5 MHz), input bias current (14 nA), input offset voltage (1 mV), supply current (116 µA), output current per channel (100 mA), supply voltage range (1.8 V to 5 V), operating temperature range (-40°C to 125°C), and package type (SOT-23-6 surface mount).

The primary distinction between the main part and substitute variants lies in packaging format and product status. The LMV981MF is supplied in cut tape (CT) packaging and carries Last Time Buy status. The substitute parts LMV981MF/NOPB and LMV981MFX/NOPB are supplied in tape and reel (TR) format and maintain Active product status, ensuring continued availability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

Both LMV981MF/NOPB and LMV981MFX/NOPB are direct electrical and mechanical equivalents to the LMV981MF. All three variants share identical electrical performance specifications and are housed in the same SOT-23-6 surface mount package. The primary difference is packaging format: the main part is supplied in cut tape, while both substitutes are supplied in tape and reel format.

For new designs and ongoing production, LMV981MFX/NOPB is the preferred selection. This variant maintains Active product status with the highest inventory availability (20,300 pieces), ensuring long-term supply chain stability and manufacturing support from Texas Instruments. LMV981MF/NOPB serves as an alternative substitute with Active status and adequate inventory (2,274 pieces).

The LMV981MF in cut tape format is designated Last Time Buy, indicating limited remaining stock (2,772 pieces) and no future manufacturing. Designs currently utilizing the LMV981MF should transition to LMV981MFX/NOPB to maintain supply continuity beyond the Last Time Buy period.

All variants comply with ROHS3 and REACH regulations, carry MSL Level 1 (unlimited moisture sensitivity), and are classified under ECCN EAR99 with HTSUS code 8542.33.0001.

Frequently Asked Questions (FAQ)

Q: Can LMV981MF/NOPB and LMV981MFX/NOPB be used interchangeably with LMV981MF?

A: Yes. All three parts are electrically and mechanically identical. They share the same electrical specifications, operating characteristics, and SOT-23-6 package footprint. The differences are limited to packaging format (cut tape versus tape and reel) and product lifecycle status.

Q: What is the difference between cut tape and tape and reel packaging?

A: Cut tape (CT) packaging supplies individual components on cut segments of carrier tape, typically used for small-quantity orders or manual assembly. Tape and reel (TR) packaging supplies components on continuous reels, optimized for high-volume automated assembly processes. Both formats contain identical components with identical electrical performance.

Q: Why is LMV981MF designated Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments is discontinuing production of this specific packaging variant. Existing inventory will be sold until depletion, after which the part will no longer be manufactured. This designation does not affect the electrical performance of remaining stock but signals the need for design migration to active alternatives.

Q: Which substitute part should be selected for new designs?

A: LMV981MFX/NOPB is the recommended selection for new designs. This variant maintains Active product status with the highest inventory level, ensuring availability throughout the design lifecycle and into production. LMV981MF/NOPB is an acceptable alternative if LMV981MFX/NOPB is unavailable.

Q: Are there any compliance or regulatory differences between the three parts?

A: No. All three variants are ROHS3 compliant, REACH unaffected, and carry identical MSL Level 1 ratings. They share the same ECCN classification (EAR99) and HTSUS code (8542.33.0001).

Q: Can the LMV981MF be used in applications requiring high-volume automated assembly?

A: The LMV981MF in cut tape format is not optimized for high-volume automated assembly. For production environments utilizing automated pick-and-place equipment, LMV981MF/NOPB or LMV981MFX/NOPB in tape and reel format are the appropriate selections.

Q: What is the base product number for all three variants?

A: The base product number is LMV981. All three variants (LMV981MF, LMV981MF/NOPB, and LMV981MFX/NOPB) are derived from this base designation and share identical electrical specifications.