LMV751M5X/NOPB Equivalent & Substitute Parts

Part Overview

The LMV751M5X/NOPB is a general-purpose operational amplifier manufactured by Texas Instruments, packaged in SOT-23-5 surface mount configuration. This single-circuit amplifier operates across a 2.7 V to 5 V supply range and is designed for applications requiring low-power signal conditioning and amplification. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified when equivalent functional performance can be achieved within the same package footprint and mounting technology while maintaining compliance certifications and operating temperature specifications.

Key Parameters

Parameter	Value	Unit
Manufacturer	Texas Instruments	—
Part Number	LMV751M5X/NOPB	—
Category	Linear, Amplifiers	—
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Package / Case	SC-74A, SOT-753	—
Supplier Device Package	SOT-23-5	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5	V
Operating Temperature	-40 to 85	°C
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
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitution eligibility for the LMV751M5X/NOPB is determined by the following critical parameters:

Package Compatibility: All substitute parts must use SOT-23-5 surface mount packaging (SC-74A, SOT-753 case designation) to ensure PCB footprint compatibility without layout redesign.

Supply Voltage Range: Substitute parts must operate within or encompass the 2.7 V to 5 V supply span of the original part. Parts with extended ranges (such as 2.7 V to 5.5 V) remain compatible.

Single Circuit Configuration: Only single-circuit amplifiers qualify as direct substitutes. Multi-circuit packages require different application considerations.

Mounting Technology: Surface mount technology is mandatory. All identified substitutes maintain this requirement.

Compliance Certifications: RoHS3 compliance and REACH unaffected status are required for equivalent substitution in regulated applications.

Operating Temperature Range: The -40°C to 85°C specification is the baseline. Parts with extended ranges (such as -40°C to 125°C) are acceptable substitutes.

The following Texas Instruments and Analog Devices parts meet these substitution criteria:

OPA337NA/250
OPA337NA/3K
OPA338NA/250
ADA4891-1ARJZ-R7
ADA4891-1ARJZ-RL
NCS2003ASN2T1G

Parameter Comparison

Parameter	LMV751M5X/NOPB	OPA337NA/250	OPA337NA/3K	OPA338NA/250	ADA4891-1ARJZ-R7	ADA4891-1ARJZ-RL	NCS2003ASN2T1G
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	onsemi
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SOT-23-5 Thin, TSOT-23-5
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	5-TSOP
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	1.7 V
Voltage - Supply Span (Max)	5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Operating Temperature	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 125°C	-40 to 125°C	-40 to 85°C
Slew Rate	2.3 V/µs	1.2 V/µs	1.2 V/µs	4.6 V/µs	210 V/µs	210 V/µs	12.5 V/µs
Gain Bandwidth Product	5 MHz	3 MHz	3 MHz	12.5 MHz	240 MHz	240 MHz	7 MHz
Current - Input Bias	1.5 pA	0.2 pA	0.2 pA	0.2 pA	2 pA	2 pA	1 pA
Voltage - Input Offset	50 µV	500 µV	500 µV	500 µV	2.5 mV	2.5 mV	500 µV
Current - Supply	600 µA	525 µA	525 µA	525 µA	4.4 mA	4.4 mA	300 µA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Texas Instruments OPA337 Series (OPA337NA/250 and OPA337NA/3K):

Both OPA337 variants maintain identical electrical specifications and are differentiated by packaging quantity (250-unit tape & reel versus 3000-unit tape & reel). These parts feature rail-to-rail output capability and operate within the required supply voltage range. Current supply consumption is 525 µA, slightly lower than the LMV751M5X/NOPB. The gain bandwidth product of 3 MHz is lower than the original part, making these suitable for applications where bandwidth requirements do not exceed this specification. Both variants carry MSL 1 rating and maintain Active product status.

Texas Instruments OPA338NA/250:

This part offers enhanced slew rate (4.6 V/µs) and gain bandwidth product (12.5 MHz) compared to the LMV751M5X/NOPB, providing performance headroom for higher-frequency applications. Rail-to-rail output capability is included. The MSL rating is 2 (1 Year), requiring controlled storage conditions. All other compliance certifications match the original part.

Analog Devices ADA4891-1ARJZ-R7 and ADA4891-1ARJZ-RL:

Both ADA4891 variants are functionally identical, differentiated by packaging format (Cut Tape & Digi-Reel versus standard reel). These parts deliver significantly higher performance with 210 V/µs slew rate and 240 MHz bandwidth. Current supply consumption increases to 4.4 mA. Operating temperature range extends to 125°C. These parts are suitable for applications requiring high-speed signal processing. Both maintain MSL 1 rating and RoHS3 compliance. Inventory availability is substantial (12,100 and 15,400 units respectively).

onsemi NCS2003ASN2T1G:

This part provides the lowest supply current consumption (300 µA) among all substitutes, making it optimal for battery-powered or power-constrained applications. The 12.5 V/µs slew rate and 7 MHz gain bandwidth product offer moderate performance enhancement. The minimum supply voltage extends to 1.7 V, providing additional flexibility in low-voltage designs. Package designation is 5-TSOP (thin variant of SOT-23-5), maintaining footprint compatibility. MSL 1 rating and RoHS3 compliance are confirmed.

Selection Criteria Summary:

For direct replacement with minimal design impact: OPA337NA/250 or OPA337NA/3K
For enhanced bandwidth and slew rate: OPA338NA/250 or ADA4891 series
For lowest power consumption: NCS2003ASN2T1G
For extended temperature operation: ADA4891-1ARJZ-R7 or ADA4891-1ARJZ-RL

All identified substitutes maintain SOT-23-5 package compatibility, RoHS3 compliance, and Active product status.

Frequently Asked Questions (FAQ)

Q: Can OPA337NA/250 and OPA337NA/3K be used interchangeably with LMV751M5X/NOPB?

A: Yes. Both parts share identical electrical specifications and packaging. The difference is packaging quantity (250 versus 3000 units per reel). Electrical performance, supply voltage range (2.7 V to 5.5 V), operating temperature (-40°C to 85°C), and compliance certifications are equivalent. No circuit redesign is required.

Q: What is the primary difference between OPA338NA/250 and OPA337NA/250?

A: OPA338NA/250 provides higher slew rate (4.6 V/µs versus 1.2 V/µs) and higher gain bandwidth product (12.5 MHz versus 3 MHz). Both use identical packaging and supply voltage ranges. OPA338NA/250 is suitable for applications requiring faster signal response. The MSL rating differs (OPA338 is MSL 2, requiring 1-year storage control).

Q: Are ADA4891-1ARJZ-R7 and ADA4891-1ARJZ-RL electrically identical?

A: Yes. Both parts have identical electrical specifications. The designation difference indicates packaging format: R7 uses Cut Tape & Digi-Reel packaging, while RL uses standard reel packaging. Performance, supply voltage range (2.7 V to 5.5 V), and operating temperature (-40°C to 125°C) are identical.

Q: Why does NCS2003ASN2T1G have a lower minimum supply voltage (1.7 V)?

A: The NCS2003ASN2T1G is designed to operate at lower supply voltages. While the LMV751M5X/NOPB requires minimum 2.7 V, the NCS2003 functions at 1.7 V minimum. This extended range does not affect compatibility in 2.7 V to 5 V applications; it simply provides additional design flexibility for lower-voltage systems.

Q: Does package designation "5-TSOP" for NCS2003ASN2T1G affect PCB compatibility?

A: No. The 5-TSOP designation indicates a thin variant of SOT-23-5. The footprint remains compatible with standard SOT-23-5 land patterns. The "thin" designation refers to package height, not pin spacing or pad layout.

Q: Which substitute part has the lowest power consumption?

A: NCS2003ASN2T1G operates at 300 µA supply current, the lowest among all substitutes. The original LMV751M5X/NOPB draws 600 µA. For battery-powered applications, NCS2003ASN2T1G provides 50% power reduction.

Q: Can ADA4891 parts replace LMV751M5X/NOPB in all applications?

A: ADA4891 parts are electrically compatible and maintain package compatibility. However, the significantly higher supply current (4.4 mA versus 600 µA) and higher input offset voltage (2.5 mV versus 50 µV) may affect power budget and precision requirements. Verify application-specific performance needs before substitution.

Q: What is the significance of MSL 1 versus MSL 2 rating?

A: MSL 1 (Unlimited) allows indefinite storage without moisture control. MSL 2 (1 Year) requires controlled storage conditions and must be used within one year of manufacture. OPA338NA/250 carries MSL 2 rating; all other substitutes carry MSL 1. For long-term inventory, MSL 1 parts are preferred.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts carry RoHS3 compliance certification and REACH unaffected status, matching the original LMV751M5X/NOPB compliance profile.

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