LMV751M5X Equivalent & Substitute Parts

Part Overview

The LMV751M5X is a general-purpose operational amplifier manufactured by Texas Instruments in a SOT-23-5 surface mount package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. The LMV751M5X operates across a 2.7V to 5V supply range with a slew rate of 2.3V/µs and gain bandwidth product of 5 MHz, making it suitable for low-power analog signal conditioning applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Slew Rate	2.3	V/µs
Gain Bandwidth Product	5	MHz
Current - Input Bias	1.5	pA
Voltage - Input Offset	50	µV
Current - Supply	600	µA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5	V
Operating Temperature	-40 to 85	°C
Mounting Type	Surface Mount	—
Package / Case	SC-74A, SOT-753	—
Supplier Device Package	SOT-23-5	—
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the LMV751M5X is determined by the following critical parameters:

Mechanical Compatibility: All substitute parts must use SOT-23-5 surface mount packaging to ensure PCB footprint compatibility.

Electrical Compatibility: Substitute parts must operate within the supply voltage range of 2.7V to 5V minimum. Parts with extended supply ranges (up to 5.5V) are compatible as they encompass the original specification.

Functional Compatibility: All substitute parts are single-circuit general-purpose operational amplifiers, maintaining functional equivalence.

Performance Considerations: While the original LMV751M5X specifies 2.3V/µs slew rate and 5 MHz gain bandwidth product, substitute parts may exceed these specifications. Higher performance parameters do not preclude substitution in applications where the original specifications are met or exceeded.

Compliance Status: The original part is RoHS non-compliant and obsolete. Active substitute parts with RoHS3 compliance are available, providing regulatory advantage for new designs and ongoing procurement.

Parameter Comparison

Parameter	LMV751M5X	LMV751M5X/NOPB	ADA4891-1ARJZ-R7	ADA4891-1ARJZ-RL	NCS2003ASN2T1G	TSV911AILT
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	onsemi	STMicroelectronics
Product Status	Obsolete	Active	Active	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1	1
Slew Rate (V/µs)	2.3	2.3	210	210	12.5	4.5
Gain Bandwidth Product (MHz)	5	5	240	240	7	8
Current - Input Bias (pA)	1.5	1.5	2	2	1	1
Voltage - Input Offset (µV)	50	50	2500	2500	500	—
Current - Supply (µA)	600	600	4400	4400	300	820
Current - Output / Channel (mA)	20	20	125	125	96	35
Voltage - Supply Span (Min) (V)	2.7	2.7	2.7	2.7	1.7	2.5
Voltage - Supply Span (Max) (V)	5	5	5.5	5.5	5.5	5.5
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 125
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SOT-23-5 Thin, TSOT-23-5	SC-74A, SOT-753
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	5-TSOP	SOT-23-5
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Replacement (Highest Compatibility):

LMV751M5X/NOPB is the direct equivalent of the obsolete LMV751M5X. This part maintains identical electrical specifications and SOT-23-5 packaging. The primary distinction is product status (active versus obsolete) and RoHS3 compliance. This part is recommended for designs requiring exact electrical parameter matching with the original specification.

Active Substitute Parts (Enhanced Performance):

ADA4891-1ARJZ-R7 and ADA4891-1ARJZ-RL (Analog Devices Inc.) are manufacturer-recommended substitutes offering enhanced performance characteristics. Both parts feature rail-to-rail output capability, significantly higher slew rate (210V/µs versus 2.3V/µs), and extended operating temperature range (-40°C to 125°C). These parts are suitable for applications where improved dynamic performance and wider temperature operation are beneficial. Both are RoHS3 compliant and available in active production status.

Alternative Substitutes (Performance and Supply Considerations):

NCS2003ASN2T1G (onsemi) provides lower supply current (300µA versus 600µA) and extended minimum supply voltage operation (1.7V minimum). This part is suitable for ultra-low-power applications. TSV911AILT (STMicroelectronics) offers moderate performance enhancement with extended operating temperature range and RoHS3 compliance.

Compliance and Procurement:

All substitute parts listed are RoHS3 compliant, addressing regulatory requirements that the original obsolete part does not meet. Active product status ensures long-term availability and manufacturing support for all recommended substitutes.

Frequently Asked Questions (FAQ)

Q: Can LMV751M5X/NOPB be used as a direct replacement for LMV751M5X?

A: Yes. LMV751M5X/NOPB is the direct equivalent with identical electrical specifications and SOT-23-5 packaging. The primary differences are active product status and RoHS3 compliance. No circuit modifications are required.

Q: Are the ADA4891-1ARJZ series parts pin-compatible with the LMV751M5X?

A: Yes. Both the ADA4891-1ARJZ-R7 and ADA4891-1ARJZ-RL use SOT-23-5 packaging with identical pinout. However, these parts feature enhanced performance specifications including higher slew rate and gain bandwidth product. Circuit performance may differ due to these enhanced characteristics.

Q: What is the difference between ADA4891-1ARJZ-R7 and ADA4891-1ARJZ-RL?

A: Both parts are electrically identical. The difference is in packaging format: ADA4891-1ARJZ-R7 is supplied in Cut Tape (CT) & Digi-Reel format, while ADA4891-1ARJZ-RL is supplied in Cut Tape (CT) & Digi-Reel format. Electrical specifications and performance are identical.

Q: Can NCS2003ASN2T1G be used in place of LMV751M5X?

A: NCS2003ASN2T1G is mechanically and functionally compatible with SOT-23-5 pinout compatibility. This part operates at lower supply current (300µA) and supports extended minimum supply voltage (1.7V). It is suitable for low-power applications where the original specifications are met or exceeded.

Q: What are the key differences in operating temperature range?

A: The original LMV751M5X operates from -40°C to 85°C. Substitute parts ADA4891-1ARJZ series and TSV911AILT extend the upper temperature limit to 125°C, providing enhanced thermal performance for high-temperature applications. NCS2003ASN2T1G maintains the -40°C to 85°C range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All active substitute parts listed (LMV751M5X/NOPB, ADA4891-1ARJZ-R7, ADA4891-1ARJZ-RL, NCS2003ASN2T1G, and TSV911AILT) are RoHS3 compliant. The original LMV751M5X is RoHS non-compliant.

Q: What is the impact of higher slew rate in substitute parts?

A: Higher slew rate (210V/µs in ADA4891 series versus 2.3V/µs in LMV751M5X) indicates faster output voltage transition capability. This enhances performance in high-frequency applications but does not negatively impact low-frequency designs where the original specification is sufficient.

Q: Can these parts be used interchangeably in existing designs?

A: Mechanical and electrical compatibility is confirmed for all listed substitutes. However, circuit behavior may differ due to enhanced performance specifications in substitute parts. Verification of circuit performance is necessary when substituting with higher-performance alternatives.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message