LMP2014MTX Equivalent & Substitute Parts

Part Overview

The LMP2014MTX is a general purpose operational amplifier manufactured by Texas Instruments, featuring four independent circuits in a 14-TSSOP surface mount package. This device is rated for rail-to-rail output operation across a 2.7V to 5.25V supply range and is designed for low-power applications requiring moderate bandwidth performance.

The LMP2014MTX is currently classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements. Active alternatives with comparable or enhanced electrical characteristics are available from multiple manufacturers.

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 LMP2014MTX is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Four independent operational amplifier circuits
Rail-to-rail output capability
14-TSSOP surface mount package (0.173", 4.40mm Width)
Supply voltage range compatibility (minimum 2.7V, maximum 5.25V or higher)
Operating temperature range (minimum 0°C or lower, maximum 70°C or higher)

Performance Parameters Affecting Substitution:

Slew rate (3V/µs baseline)
Gain bandwidth product (3 MHz baseline)
Input bias current (0.3 pA baseline)
Input offset voltage (0.12 µV baseline)
Supply current per channel (930µA baseline)
Output current per channel (17 mA baseline)

Substitute parts are grouped into two categories:

Category 1: Direct Equivalents (Identical Electrical Performance) Parts with matching or superior electrical specifications that maintain functional equivalence without design modification.

Category 2: Functional Alternatives (Enhanced Performance) Parts with superior electrical characteristics (higher bandwidth, lower noise, improved temperature range) that provide enhanced performance while maintaining pin compatibility and package form factor.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Status
LMP2014MTX	Texas Instruments	General Purpose	3	3	0.3	0.12	930	17	2.7	5.25	0 to 70	14-TSSOP	Obsolete
LMP2014MTX/NOPB	Texas Instruments	General Purpose	3	3	0.3	0.12	930	17	2.7	5.25	0 to 70	14-TSSOP	Active
ADA4891-4ARUZ	Analog Devices Inc.	CMOS	210	105	2	2500	4400	125	2.7	5.5	-40 to 125	14-TSSOP	Active
ADA4891-4ARUZ-R7	Analog Devices Inc.	CMOS	210	105	2	2500	4400	125	2.7	5.5	-40 to 125	14-TSSOP	Active
ADA4891-4ARUZ-RL	Analog Devices Inc.	CMOS	210	105	2	2500	4400	125	2.7	5.5	-40 to 125	14-TSSOP	Active
BD12734FVJ-E2	Rohm Semiconductor	General Purpose	0.4	1	50000	1000	1200	12	1.8	5	-40 to 85	14-TSSOP	Active
BU7487FV-E2	Rohm Semiconductor	CMOS	10	10	1	1000	6000	12	3	5.5	-40 to 105	14-LSSOP	Active
BU7487SFV-E2	Rohm Semiconductor	CMOS	10	10	1	1000	6000	12	3	5.5	-40 to 105	14-LSSOP	Active
LMR344FVJ-E2	Rohm Semiconductor	CMOS	1	2	1	250	400	113	2.7	5.5	-40 to 85	14-TSSOP	Active
LMR934FVJ-E2	Rohm Semiconductor	General Purpose	0.35	1.4	5	1000	250	90	1.8	5	-40 to 85	14-TSSOP	Active
LMV324TSG-13	Diodes Incorporated	General Purpose	1	1	15	1700	340	90	2.7	5.5	-40 to 125	14-TSSOP	Active

Engineering Selection Recommendations

Primary Recommendation: LMP2014MTX/NOPB

The LMP2014MTX/NOPB is the direct equivalent of the obsolete LMP2014MTX. This part maintains identical electrical specifications and package configuration. The primary distinction is product status: LMP2014MTX/NOPB is active and available in production quantities (6700 units in stock). This part is RoHS3 compliant, addressing regulatory requirements that the original part does not meet. Selection of this part eliminates design modification requirements and ensures functional compatibility.

Secondary Recommendation: LMR934FVJ-E2 (Rohm Semiconductor)

The LMR934FVJ-E2 is a general purpose amplifier with four circuits in 14-TSSOP package. This part operates across a 1.8V to 5V supply range, extending lower voltage capability compared to the LMP2014MTX. Operating temperature range extends to -40°C to 85°C. The LMR934FVJ-E2 is RoHS3 compliant and active in production. Trade-offs include lower slew rate (0.35V/µs versus 3V/µs) and lower gain bandwidth product (1.4 MHz versus 3 MHz). This part is suitable for applications where lower bandwidth performance is acceptable and extended low-voltage operation is required.

Enhanced Performance Alternative: ADA4891-4ARUZ-R7 (Analog Devices Inc.)

The ADA4891-4ARUZ-R7 is a CMOS amplifier offering significantly enhanced performance characteristics. This part provides 210V/µs slew rate and 105 MHz gain bandwidth product, representing 70x and 35x improvements respectively over the LMP2014MTX baseline. Operating temperature range extends to -40°C to 125°C. Supply voltage range is 2.7V to 5.5V. The ADA4891-4ARUZ-R7 is RoHS3 compliant and active in production. This part is suitable for applications requiring higher bandwidth, faster transient response, and extended temperature operation. Pin compatibility and 14-TSSOP package form factor are maintained.

Compliance Consideration:

The original LMP2014MTX is RoHS non-compliant. All recommended substitute parts (LMP2014MTX/NOPB, LMR934FVJ-E2, ADA4891-4ARUZ-R7) are RoHS3 compliant, supporting regulatory requirements for new designs and production.

Frequently Asked Questions (FAQ)

Q: Can the LMP2014MTX be directly replaced with LMP2014MTX/NOPB?

A: Yes. The LMP2014MTX/NOPB is functionally identical to the LMP2014MTX. Both parts share identical electrical specifications, pin configuration, and 14-TSSOP package form factor. The primary difference is product status: LMP2014MTX/NOPB is active and available in production quantities, while LMP2014MTX is obsolete. No design modification is required.

Q: What is the difference between LMP2014MTX/NOPB packaging options?

A: LMP2014MTX/NOPB is supplied in Tape & Reel (TR) format, suitable for automated assembly processes. The original LMP2014MTX packaging format is not specified in the provided data. Both parts use identical 14-TSSOP package geometry (0.173", 4.40mm Width).

Q: Can the ADA4891-4ARUZ-R7 be used as a direct replacement?

A: The ADA4891-4ARUZ-R7 is pin-compatible and uses the same 14-TSSOP package. However, this is not a direct replacement due to significant performance differences. The ADA4891-4ARUZ-R7 is a CMOS amplifier with substantially higher bandwidth (105 MHz versus 3 MHz) and slew rate (210V/µs versus 3V/µs). Input offset voltage is higher (2.5 mV versus 0.12 µV). Applications sensitive to offset voltage or requiring specific bandwidth characteristics must evaluate compatibility. No PCB layout modification is required due to identical pin configuration and package footprint.

Q: What are the key differences between general purpose and CMOS amplifier types?

A: General purpose amplifiers (LMP2014MTX, LMR934FVJ-E2, LMV324TSG-13) are optimized for low input bias current and low input offset voltage. CMOS amplifiers (ADA4891-4ARUZ-R7, BU7487SFV-E2, LMR344FVJ-E2) are optimized for high input impedance and low power consumption. CMOS amplifiers typically offer higher bandwidth and slew rate. Selection depends on application requirements for input impedance, offset voltage, bandwidth, and power consumption.

Q: Is the LMV324TSG-13 suitable for the LMP2014MTX application?

A: The LMV324TSG-13 is a general purpose amplifier with four circuits in 14-TSSOP package, operating across 2.7V to 5.5V supply range and -40°C to 125°C temperature range. This part is RoHS3 compliant and active in production. However, the LMV324TSG-13 has significantly lower bandwidth (1 MHz versus 3 MHz) and slew rate (1V/µs versus 3V/µs). Applications requiring the full 3 MHz bandwidth of the LMP2014MTX may not be compatible with the LMV324TSG-13. Applications with lower bandwidth requirements benefit from the extended temperature range and higher inventory availability (34,987 units in stock).

Q: What is the significance of the -40°C to 125°C operating temperature range?

A: Extended temperature range (-40°C to 125°C) supports industrial and automotive applications requiring operation across wider environmental conditions. The original LMP2014MTX operates only across 0°C to 70°C, limiting use in extreme temperature environments. Substitute parts with extended temperature ranges (ADA4891-4ARUZ-R7, BU7487SFV-E2, LMV324TSG-13) are suitable for applications requiring broader temperature operation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All recommended substitute parts (LMP2014MTX/NOPB, LMR934FVJ-E2, ADA4891-4ARUZ-R7, BU7487SFV-E2, LMR344FVJ-E2, LMV324TSG-13) are RoHS3 compliant. The original LMP2014MTX is RoHS non-compliant. Compliance with RoHS3 regulations is mandatory for new designs and production in regulated markets.

Q: What is the difference between 14-TSSOP and 14-LSSOP packages?

A: Both 14-TSSOP and 14-LSSOP are 14-pin surface mount packages with 0.173" (4.40mm) width. TSSOP denotes Thin Shrink Small Outline Package. LSSOP denotes Leaded Small Outline Package. Pin pitch and overall dimensions are equivalent, supporting identical PCB footprints. The BU7487FV-E2 and BU7487SFV-E2 use 14-LSSOP package designation but maintain compatibility with 14-TSSOP footprints.

Q: Which substitute part offers the best inventory availability?

A: The LMV324TSG-13 (Diodes Incorporated) has the highest inventory availability with 34,987 units in stock. The LMP2014MTX/NOPB has 6700 units available. The ADA4891-4ARUZ-R7 has 3494 units available. Inventory levels support production planning and supply chain continuity.

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