LMP2014MT Equivalent & Substitute Parts

Part Overview

The LMP2014MT is a general-purpose operational amplifier featuring four independent circuits in a 14-TSSOP surface-mount package. Manufactured by Texas Instruments, this device provides rail-to-rail output capability with a supply voltage range of 2.7 V to 5.25 V and operates across 0°C to 70°C. The LMP2014MT is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. Substitute parts must maintain functional compatibility through matching electrical specifications and mechanical packaging while offering active product status and improved compliance certifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	3	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	0.3	pA
Voltage - Input Offset	0.12	µV
Current - Supply (x4 Channels)	930	µA
Current - Output / Channel	17	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5.25	V
Operating Temperature	0 to 70	°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the LMP2014MT is determined by the following critical parameters: four independent amplifier circuits, rail-to-rail output configuration, 14-TSSOP surface-mount package, and supply voltage compatibility within the 2.7 V to 5.25 V range. Substitute parts are grouped into two categories based on amplifier type and electrical performance characteristics:

Category 1: Direct Packaging Equivalents (Texas Instruments LMP Series) Parts maintaining identical electrical specifications and packaging, differing only in product status and compliance certifications.

Category 2: Functional Substitutes (Alternative Manufacturers) Parts from Analog Devices, Rohm Semiconductor, and Diodes Incorporated offering four-circuit configurations in 14-TSSOP packaging with compatible supply voltage ranges. These substitutes may exhibit different slew rates, gain bandwidth products, and input bias currents while maintaining rail-to-rail output and surface-mount compatibility.

Substitution eligibility requires: four independent circuits, rail-to-rail output, 14-TSSOP or compatible package footprint, supply voltage range encompassing 2.7 V minimum, and surface-mount technology.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Supply Min (V)	Supply Max (V)	Package	Product Status	RoHS Status
LMP2014MT	Texas Instruments	General Purpose	3	3	0.3	2.7	5.25	14-TSSOP	Obsolete	Non-compliant
LMP2014MT/NOPB	Texas Instruments	General Purpose	3	3	0.3	2.7	5.25	14-TSSOP	Active	ROHS3 Compliant
ADA4891-4ARUZ	Analog Devices Inc.	CMOS	210	105	2	2.7	5.5	14-TSSOP	Active	ROHS3 Compliant
ADA4891-4ARUZ-R7	Analog Devices Inc.	CMOS	210	105	2	2.7	5.5	14-TSSOP	Active	ROHS3 Compliant
ADA4891-4ARUZ-RL	Analog Devices Inc.	CMOS	210	105	2	2.7	5.5	14-TSSOP	Active	ROHS3 Compliant
BD12734FVJ-E2	Rohm Semiconductor	General Purpose	0.4	1	50	1.8	5	14-TSSOP	Active	ROHS3 Compliant
BU7487FV-E2	Rohm Semiconductor	CMOS	10	10	1	3	5.5	14-LSSOP	Active	ROHS3 Compliant
BU7487SFV-E2	Rohm Semiconductor	CMOS	10	10	1	3	5.5	14-LSSOP	Active	ROHS3 Compliant
LMR344FVJ-E2	Rohm Semiconductor	CMOS	1	2	1	2.7	5.5	14-TSSOP	Active	ROHS3 Compliant
LMR934FVJ-E2	Rohm Semiconductor	General Purpose	0.35	1.4	5	1.8	5	14-TSSOP	Active	ROHS3 Compliant
LMV324TSG-13	Diodes Incorporated	General Purpose	1	1	15	2.7	5.5	14-TSSOP	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: LMP2014MT/NOPB

The LMP2014MT/NOPB is the direct equivalent of the obsolete LMP2014MT, maintaining identical electrical specifications including 3 V/µs slew rate, 3 MHz gain bandwidth product, and 0.3 pA input bias current. This part is manufactured by Texas Instruments in the same 14-TSSOP package and achieves ROHS3 compliance. Selection of LMP2014MT/NOPB eliminates design re-qualification requirements and ensures pin-for-pin compatibility. This part is classified as active with 3800 units in stock.

Secondary Recommendation: LMR344FVJ-E2 (Rohm Semiconductor)

The LMR344FVJ-E2 provides functional substitution with four independent CMOS amplifier circuits in 14-TSSOP packaging. Supply voltage range extends to 5.5 V maximum, exceeding the LMP2014MT specification. The 2 MHz gain bandwidth product and 1 V/µs slew rate represent reduced performance compared to the original part. This substitute is suitable for applications where lower bandwidth requirements exist and is ROHS3 compliant with 870 units in stock.

Alternative Recommendation: LMV324TSG-13 (Diodes Incorporated)

The LMV324TSG-13 offers four general-purpose amplifier circuits in 14-TSSOP packaging with extended operating temperature range (-40°C to 125°C) and ROHS3 compliance. Supply voltage compatibility spans 2.7 V to 5.5 V. The 1 MHz gain bandwidth product and 1 V/µs slew rate indicate reduced performance specifications. This part provides high inventory availability (34,987 units) and is suitable for cost-sensitive applications with relaxed bandwidth requirements.

High-Performance Alternative: ADA4891-4ARUZ Series (Analog Devices Inc.)

The ADA4891-4ARUZ, ADA4891-4ARUZ-R7, and ADA4891-4ARUZ-RL variants provide enhanced performance with 210 V/µs slew rate and 105 MHz gain bandwidth product. These CMOS amplifiers maintain 14-TSSOP packaging and 2.7 V to 5.5 V supply compatibility. Selection of ADA4891 variants is appropriate for applications requiring superior frequency response and slew rate performance. All variants are ROHS3 compliant and active products.

All recommended substitutes maintain four independent circuits, rail-to-rail output configuration, and surface-mount technology. Selection should be based on specific application bandwidth requirements, supply voltage constraints, and compliance certifications.

Frequently Asked Questions (FAQ)

Q1: Can LMP2014MT/NOPB directly replace LMP2014MT in existing designs?

Yes. The LMP2014MT/NOPB is electrically and mechanically identical to the LMP2014MT, differing only in product status (active versus obsolete) and RoHS compliance certification (ROHS3 compliant versus non-compliant). Pin configuration, package footprint, and all electrical specifications remain unchanged. No design modification is required.

Q2: What are the key differences between general-purpose and CMOS amplifier substitutes?

General-purpose amplifiers (LMP2014MT, LMR934FVJ-E2, LMV324TSG-13) utilize bipolar input stages, resulting in lower input bias currents (0.3 pA to 15 nA) and lower slew rates (0.35 V/µs to 3 V/µs). CMOS amplifiers (ADA4891 series, BU7487 series, LMR344FVJ-E2) feature CMOS input stages with extremely low input bias currents (1 pA to 2 pA) and higher slew rates (1 V/µs to 210 V/µs). Selection depends on application requirements for input impedance, bandwidth, and power consumption.

Q3: Are all substitute parts compatible with the 14-TSSOP package footprint?

All recommended substitutes utilize 14-TSSOP or 14-LSSOP packaging with identical 0.173" width and 4.40 mm body dimensions. BU7487FV-E2 and BU7487SFV-E2 employ 14-LSSOP designation, which maintains footprint compatibility with 14-TSSOP PCB layouts. Mechanical compatibility is confirmed across all listed substitutes.

Q4: Which substitute offers the best performance upgrade from LMP2014MT?

The ADA4891-4ARUZ series provides the most significant performance enhancement, offering 210 V/µs slew rate (70× improvement) and 105 MHz gain bandwidth product (35× improvement) compared to the LMP2014MT. This upgrade is appropriate for high-speed signal conditioning, precision instrumentation, and wideband filtering applications. Supply voltage compatibility (2.7 V to 5.5 V) and 14-TSSOP packaging ensure mechanical and electrical compatibility.

Q5: What is the supply voltage compatibility range across all substitutes?

The LMP2014MT operates from 2.7 V to 5.25 V. All recommended substitutes maintain minimum supply voltage of 2.7 V. Maximum supply voltage varies: LMP2014MT/NOPB (5.25 V), ADA4891 series (5.5 V), BD12734FVJ-E2 (5 V), BU7487 series (5.5 V), LMR344FVJ-E2 (5.5 V), LMR934FVJ-E2 (5 V), and LMV324TSG-13 (5.5 V). Applications operating at 5.25 V require verification of substitute maximum ratings.

Q6: Which substitutes are RoHS3 compliant?

All recommended substitutes except the original LMP2014MT are ROHS3 compliant: LMP2014MT/NOPB, ADA4891-4ARUZ series, BD12734FVJ-E2, BU7487 series, LMR344FVJ-E2, LMR934FVJ-E2, and LMV324TSG-13. RoHS3 compliance is mandatory for applications subject to European Union Restriction of Hazardous Substances regulations.

Q7: What inventory considerations apply to substitute selection?

Current inventory levels vary significantly: LMV324TSG-13 (34,987 units), LMP2014MT/NOPB (3,800 units), ADA4891-4ARUZ-R7 (3,494 units), LMR934FVJ-E2 (3,126 units), ADA4891-4ARUZ (2,611 units), BU7487FV-E2 (7,900 units), BD12734FVJ-E2 (906 units), LMR344FVJ-E2 (870 units), BU7487SFV-E2 (961 units), and original LMP2014MT (1,295 units). High-volume production should prioritize parts with inventory exceeding 3,000 units.

Q8: Can lower-performance substitutes be used in bandwidth-critical applications?

No. Applications requiring the LMP2014MT's 3 MHz gain bandwidth product and 3 V/µs slew rate cannot be satisfied by lower-performance substitutes such as LMV324TSG-13 (1 MHz, 1 V/µs) or BD12734FVJ-E2 (1 MHz, 0.4 V/µs). Bandwidth-critical applications must select LMP2014MT/NOPB or ADA4891 series to maintain specified frequency response and transient performance.

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