LM7321QMFE/NOPB Equivalent & Substitute Parts

Part Overview

The LM7321QMFE/NOPB is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-5 surface mount package. This device features rail-to-rail output capability and is qualified to automotive grade AEC-Q100 standards, making it suitable for automotive and industrial applications requiring precision amplification across a wide supply voltage range.

The LM7321QMFE/NOPB is currently designated as Last Time Buy status. Identifying equivalent substitute parts ensures design continuity and supply chain reliability for ongoing production and maintenance applications.

Substiute Parts

LM7321QMFE/NOPB

Texas InstrumentsIn Stock: 35457LM7321QMFE/NOPB Datasheet

Current PartRFQ

LM7321QMFX/NOPB

Texas InstrumentsIn Stock: 28253LM7321QMFX/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM7321QMFE/NOPB is determined by strict equivalence across the following critical parameters:

Electrical Performance Parameters:

• Slew Rate: 18 V/µs
• Gain Bandwidth Product: 20 MHz
• Current - Input Bias: 1.1 µA
• Voltage - Input Offset: 700 mV
• Current - Supply: 1.1 mA
• Current - Output / Channel: 100 mA
• Voltage - Supply Span: 2.5 V to 32 V
• Operating Temperature Range: -40°C to 125°C

Functional Parameters:

• Amplifier Type: General Purpose
• Number of Circuits: 1
• Output Type: Rail-to-Rail

Physical & Compliance Parameters:

• Package / Case: SC-74A, SOT-753
• Mounting Type: Surface Mount
• Grade: Automotive
• Qualification: AEC-Q100
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts must match all parameters listed above to ensure functional and mechanical compatibility within existing designs.

Parameter Comparison

Engineering Selection Recommendations

The LM7321QMFX/NOPB serves as the direct substitute for the LM7321QMFE/NOPB. Both parts are manufactured by Texas Instruments and share identical electrical specifications, package configuration, and automotive-grade qualifications.

The primary distinction between these parts is product status: the LM7321QMFE/NOPB is designated Last Time Buy, while the LM7321QMFX/NOPB maintains Active status. For new designs and ongoing production requiring long-term component availability, the LM7321QMFX/NOPB is the appropriate selection.

Both parts maintain full compliance with AEC-Q100 automotive qualification standards and ROHS3 environmental requirements, ensuring suitability for automotive and industrial applications. The identical electrical performance parameters guarantee functional interchangeability within existing circuit designs without modification to PCB layouts or schematic configurations.

Frequently Asked Questions (FAQ)

Q: Can LM7321QMFX/NOPB be used as a direct replacement for LM7321QMFE/NOPB in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters. No circuit modifications, PCB layout changes, or firmware updates are required for substitution.

Q: What is the difference between LM7321QMFE/NOPB and LM7321QMFX/NOPB?

A: The parts are functionally equivalent. The primary difference is product lifecycle status: LM7321QMFE/NOPB is Last Time Buy, while LM7321QMFX/NOPB is Active. Both share identical electrical performance, package type, and automotive qualifications.

Q: Are both parts qualified to the same automotive standards?

A: Yes. Both LM7321QMFE/NOPB and LM7321QMFX/NOPB carry AEC-Q100 automotive qualification and operate across the identical temperature range of -40°C to 125°C.

Q: What is the package configuration for these parts?

A: Both parts use SC-74A / SOT-753 surface mount package, supplied as SOT-23-5. This is a 5-pin package suitable for automated assembly processes.

Q: Are these parts RoHS compliant?

A: Yes. Both LM7321QMFE/NOPB and LM7321QMFX/NOPB are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), indicating no moisture bake-out requirements prior to soldering.

Q: What supply voltage range do these amplifiers support?

A: Both parts operate across a supply voltage span of 2.5 V to 32 V, providing flexibility for single-supply and dual-supply configurations in automotive and industrial applications.

Q: Can these parts be used in high-frequency applications?

A: These are general-purpose amplifiers with a Gain Bandwidth Product of 20 MHz and Slew Rate of 18 V/µs. Application suitability depends on specific circuit requirements and frequency content of the signal being amplified.