LMV751M5 Equivalent & Substitute Parts

Part Overview

The LMV751M5 is a general-purpose operational amplifier manufactured by Texas Instruments in a SOT-23-5 surface mount package. This single-circuit op-amp is designed for low-power applications requiring rail-to-rail input and output capabilities across a 2.7 V to 5 V supply range. The LMV751M5 is classified as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and maintain component availability for new production runs and field replacements.

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	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the LMV751M5 is determined by electrical and mechanical compatibility across the following critical parameters:

Mechanical Compatibility: All substitute parts must use SOT-23-5 surface mount packaging (SC-74A, SOT-753 case designations or equivalent thin-profile variants) to ensure PCB footprint compatibility.

Electrical Compatibility: Substitute parts must operate within the supply voltage range of 2.7 V to 5 V minimum. Parts with extended supply ranges (up to 5.5 V) remain compatible. Operating temperature range must support -40°C to 85°C minimum; extended ranges to 125°C are acceptable.

Functional Compatibility: All substitutes must be single-circuit general-purpose operational amplifiers. Input bias current, input offset voltage, slew rate, and gain bandwidth product determine signal fidelity and circuit performance. Substitutes with superior specifications (lower input offset, higher slew rate, higher bandwidth) are functionally compatible but represent performance upgrades.

Compliance: All substitute parts must maintain ROHS3 compliance, MSL Level 1 rating, and EAR99 export classification to ensure regulatory and supply chain continuity.

Substitute parts are grouped into two categories: Direct Packaging Equivalents (identical SOT-23-5 package) and Performance-Enhanced Alternatives (superior electrical characteristics within compatible packaging).

Parameter Comparison

Parameter	LMV751M5	LMV751M5/NOPB	LMV751M5X/NOPB	ADA4891-1ARJZ-R7	ADA4891-1ARJZ-RL	NCS2003ASN2T1G	TSV911AILT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	onsemi	STMicroelectronics
Product Status	Last Time Buy	Active	Active	Active	Active	Active	Active
Packaging	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®
Package / Case	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	SC-74A, SOT-753
Slew Rate (V/µs)	2.3	2.3	2.3	210	210	12.5	4.5
Gain Bandwidth Product (MHz)	5	5	5	240	240	7	8
Current - Input Bias (pA)	1.5	1.5	1.5	2	2	1	1
Voltage - Input Offset (µV)	50	50	50	2500	2500	500	—
Current - Supply (µA)	600	600	600	4400	4400	300	820
Current - Output / Channel (mA)	20	20	20	125	125	96	35
Voltage - Supply Span (Min) (V)	2.7	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	5.5
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 125
Output Type	—	—	—	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
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)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Inventory (Pcs)	2300	1620	1700	12100	15400	15359	20100

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical Specifications):

LMV751M5/NOPB and LMV751M5X/NOPB are direct functional equivalents to the LMV751M5. Both parts maintain identical electrical specifications (2.3 V/µs slew rate, 5 MHz gain bandwidth product, 50 µV input offset voltage, 600 µA supply current) and operate within the same -40°C to 85°C temperature range. The primary difference is packaging format: LMV751M5/NOPB is supplied in Cut Tape & Digi-Reel format, while LMV751M5X/NOPB is supplied in Tape & Reel format. Both parts are Active status and ROHS3 compliant. These substitutes are recommended for direct replacement without circuit redesign.

Performance-Enhanced Substitutes (Superior Electrical Characteristics):

ADA4891-1ARJZ-R7 and ADA4891-1ARJZ-RL (Analog Devices Inc.) provide significant performance improvements over the LMV751M5. These parts feature 210 V/µs slew rate (91× faster), 240 MHz gain bandwidth product (48× higher), and 125 mA output current (6.25× higher). Supply voltage range extends to 5.5 V, and operating temperature extends to 125°C. Both parts are Active status and ROHS3 compliant. These substitutes are suitable for applications requiring higher speed, higher output drive capability, or extended temperature operation.

TSV911AILT (STMicroelectronics) offers moderate performance enhancement with 4.5 V/µs slew rate (1.96× faster) and 8 MHz gain bandwidth product (1.6× higher) compared to LMV751M5. Supply voltage range extends to 5.5 V, and operating temperature extends to 125°C. This part is Active status and ROHS3 compliant. TSV911AILT is suitable for applications requiring modest performance improvement while maintaining lower supply current (820 µA) compared to ADA4891 series.

NCS2003ASN2T1G (onsemi) provides the lowest supply current (300 µA) among all substitutes, making it suitable for ultra-low-power applications. It features 12.5 V/µs slew rate and 7 MHz gain bandwidth product. Supply voltage range extends to 5.5 V. This part is Active status and ROHS3 compliant. NCS2003ASN2T1G is suitable for battery-powered or energy-constrained applications where power consumption is critical.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and EAR99 export classification. Inventory availability is highest for ADA4891-1ARJZ-RL (15,400 Pcs) and TSV911AILT (20,100 Pcs), ensuring supply chain continuity for high-volume production.

Frequently Asked Questions (FAQ)

Q: Can LMV751M5/NOPB be used as a direct replacement for LMV751M5?

A: Yes. LMV751M5/NOPB is electrically and mechanically identical to LMV751M5. Both parts share identical specifications for slew rate (2.3 V/µs), gain bandwidth product (5 MHz), input offset voltage (50 µV), and supply current (600 µA). The only difference is packaging format (Cut Tape & Digi-Reel vs. standard tape). No circuit redesign is required.

Q: What is the difference between LMV751M5X/NOPB and LMV751M5/NOPB?

A: Both parts are electrically identical. LMV751M5X/NOPB is supplied in Tape & Reel (TR) format for automated assembly, while LMV751M5/NOPB is supplied in Cut Tape (CT) & Digi-Reel format. Selection depends on assembly process requirements. Both maintain identical electrical performance and compliance status.

Q: Can ADA4891-1ARJZ-RL replace LMV751M5 in existing designs?

A: ADA4891-1ARJZ-RL is mechanically compatible (SOT-23-5 package) and electrically compatible (2.7 V to 5.5 V supply range, -40°C to 125°C operation). However, it provides significantly enhanced performance: 210 V/µs slew rate (vs. 2.3 V/µs), 240 MHz bandwidth (vs. 5 MHz), and 125 mA output current (vs. 20 mA). Circuit behavior may change due to higher bandwidth and slew rate. Verification of circuit stability and signal integrity is necessary before implementation.

Q: Which substitute part has the lowest power consumption?

A: NCS2003ASN2T1G has the lowest supply current at 300 µA, compared to 600 µA for LMV751M5. This makes NCS2003ASN2T1G suitable for battery-powered or energy-constrained applications. However, it features lower slew rate (12.5 V/µs) and lower output current (96 mA) compared to performance-enhanced alternatives.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (LMV751M5/NOPB, LMV751M5X/NOPB, ADA4891-1ARJZ-R7, ADA4891-1ARJZ-RL, NCS2003ASN2T1G, and TSV911AILT) are ROHS3 compliant with MSL Level 1 rating and EAR99 export classification. Regulatory and supply chain requirements are maintained across all substitutes.

Q: What is the maximum operating temperature for each substitute?

A: LMV751M5, LMV751M5/NOPB, and LMV751M5X/NOPB operate to 85°C. NCS2003ASN2T1G operates to 85°C. ADA4891-1ARJZ-R7, ADA4891-1ARJZ-RL, and TSV911AILT operate to 125°C. Selection depends on application temperature requirements.

Q: Can NCS2003ASN2T1G be used in place of LMV751M5?

A: NCS2003ASN2T1G is mechanically compatible (SOT-23-5 package) and electrically compatible (2.7 V minimum supply, -40°C to 85°C operation). It features lower supply current (300 µA vs. 600 µA) and lower input bias current (1 pA vs. 1.5 pA). However, it has higher input offset voltage (500 µV vs. 50 µV) and lower slew rate (12.5 V/µs vs. 2.3 V/µs). Circuit performance may be affected by higher offset voltage. Verification is necessary before implementation.

Q: What is the inventory status for substitute parts?

A: TSV911AILT has the highest inventory (20,100 Pcs), followed by ADA4891-1ARJZ-RL (15,400 Pcs) and NCS2003ASN2T1G (15,359 Pcs). LMV751M5X/NOPB has 1,700 Pcs, and LMV751M5/NOPB has 1,620 Pcs. Original LMV751M5 has 2,300 Pcs (Last Time Buy status). For high-volume production, ADA4891 and TSV911 series offer superior availability.

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