LM4132AMFX-2.0 Equivalent & Substitute Parts

Part Overview

The LM4132AMFX-2.0 is a Series Voltage Reference IC from Texas Instruments, delivering a fixed 2.048V output with ±0.05% tolerance in a SOT-23-5 surface mount package. This component is classified as Obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The part operates across -40°C to 125°C with a maximum output current of 20 mA and input voltage range of 2.448V to 5.5V.

Substiute Parts

LM4132AMFX-2.0

Texas InstrumentsIn Stock: 2225LM4132AMFX-2.0 Datasheet

Current PartRFQ

LM4132AMFX-2.0/NOPB

Texas InstrumentsIn Stock: 840LM4132AMFX-2.0/NOPB Datasheet

DirectRFQ

LM4132AMF-2.0/NOPB

Texas InstrumentsIn Stock: 3373LM4132AMF-2.0/NOPB Datasheet

Parametric EquivalentRFQ

MAX6037AAUK21+T

Analog Devices Inc./Maxim IntegratedIn Stock: 3426MAX6037AAUK21+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LM4132AMFX-2.0 is determined by the following critical parameters: fixed 2.048V output voltage, SOT-23-5 package compatibility, surface mount mounting type, and operating temperature range of -40°C to 125°C. The substitute parts are grouped into two categories based on their relationship to the main part:

Direct Manufacturer Equivalent: LM4132AMFX-2.0/NOPB maintains identical electrical specifications and packaging, with the primary distinction being Active product status and RoHS3 compliance versus the Obsolete status of the original part.

Parametric Equivalent: LM4132AMF-2.0/NOPB shares all critical electrical parameters and packaging specifications with the main part, differing only in tape and reel packaging configuration and Active product status.

Manufacturer Recommended Substitute: MAX6037AAUK21+T from Analog Devices Inc./Maxim Integrated provides the same 2.048V fixed output and SOT-23-5 package, with variations in tolerance, temperature coefficient, noise characteristics, and supply current that must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

LM4132AMFX-2.0/NOPB is the primary direct equivalent for the obsolete LM4132AMFX-2.0. This part maintains identical electrical specifications and package configuration while offering Active product status and ROHS3 compliance. Selection of this substitute eliminates obsolescence risk and ensures regulatory compliance for new designs and production runs.

LM4132AMF-2.0/NOPB provides parametric equivalence with identical electrical performance. This part differs in packaging format (Tape & Reel) and is suitable for applications where bulk tape and reel delivery is preferred over alternative packaging configurations. Active product status and ROHS3 compliance are maintained.

MAX6037AAUK21+T from Analog Devices Inc./Maxim Integrated is a manufacturer-recommended substitute with the same 2.048V fixed output and SOT-23-5 package. This part exhibits lower output current capability (5 mA versus 20 mA), reduced tolerance (±0.2% versus ±0.05%), higher temperature coefficient (25ppm/°C versus 20ppm/°C), and increased supply current (275µA versus 100µA). Selection of this substitute requires verification that application current requirements do not exceed 5 mA and that the relaxed tolerance and temperature coefficient specifications are acceptable for the intended circuit function.

Frequently Asked Questions (FAQ)

Q: Can LM4132AMFX-2.0/NOPB be used as a direct replacement for LM4132AMFX-2.0?

A: Yes. LM4132AMFX-2.0/NOPB is a direct equivalent with identical electrical specifications, package type (SOT-23-5), and pin configuration. The primary differences are Active product status and ROHS3 compliance, making it the recommended substitute for the Obsolete LM4132AMFX-2.0.

Q: What are the key differences between LM4132AMF-2.0/NOPB and LM4132AMFX-2.0/NOPB?

A: Both parts share identical electrical specifications and SOT-23-5 packaging. The distinction lies in packaging format: LM4132AMF-2.0/NOPB is supplied in Tape & Reel configuration, while LM4132AMFX-2.0/NOPB uses standard packaging. Both are Active products with ROHS3 compliance.

Q: Is MAX6037AAUK21+T a suitable substitute for applications requiring 20 mA output current?

A: No. MAX6037AAUK21+T has a maximum output current of 5 mA, which is insufficient for applications requiring the 20 mA output capability of the LM4132AMFX-2.0. This substitute is suitable only for applications with output current requirements not exceeding 5 mA.

Q: What tolerance differences exist between the LM4132 series and MAX6037AAUK21+T?

A: The LM4132AMFX-2.0 and its direct equivalents maintain ±0.05% tolerance, while MAX6037AAUK21+T has ±0.2% tolerance. Applications requiring tighter voltage accuracy should use the LM4132 series equivalents.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use the SOT-23-5 package (SC-74A, SOT-753), ensuring identical PCB footprint and pin compatibility. No layout modifications are required when substituting between these parts.

Q: What is the compliance status of each substitute part?

A: LM4132AMFX-2.0/NOPB and LM4132AMF-2.0/NOPB are ROHS3 compliant. MAX6037AAUK21+T is also ROHS3 compliant. All three substitutes are REACH Unaffected and classified as EAR99 for export control purposes.