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LMV751M5/NOPB Equivalent & Substitute Parts
Part Overview
The LMV751M5/NOPB is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-5 surface mount package. This single-circuit amplifier operates across a 2.7 V to 5 V supply range and is designed for low-power applications requiring compact form factors. The device is Active in product status and fully compliant with RoHS3 and REACH regulations.
Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained within the specified parameter ranges. Alternative models may be required due to inventory availability, packaging preferences, or application-specific performance enhancements while maintaining functional interchangeability.
Substiute Parts
Key Parameters
| Parameter | LMV751M5/NOPB | 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 |
| 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 | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following critical parameters:
Mechanical Compatibility: All substitute parts must use SOT-23-5 surface mount packaging (SC-74A, SOT-753 case designation) to ensure direct board-level compatibility.
Electrical Operating Range: Substitute parts must support the minimum supply voltage of 2.7 V and accommodate operation within the -40°C to 85°C temperature range. Parts with extended upper supply voltage limits (5.5 V) or extended temperature ranges remain compatible.
Functional Classification: All substitutes are single-circuit general-purpose operational amplifiers, maintaining the same functional category as the LMV751M5/NOPB.
Regulatory Compliance: All substitute parts maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory equivalence.
Performance Parameters: Substitute parts may exhibit different slew rates, gain bandwidth products, input bias currents, and input offset voltages. These variations do not preclude substitution; they define performance trade-offs for specific application requirements.
Parameter Comparison
| Parameter | LMV751M5/NOPB | OPA337NA/250 | OPA337NA/3K | OPA338NA/250 | OPA340NA/250 | OPA340NA/3K | ADA4891-1ARJZ-R7 | ADA4891-1ARJZ-RL | NCS2003ASN2T1G | Unit |
|---|---|---|---|---|---|---|---|---|---|---|
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | — |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — |
| Output Type | — | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | — |
| Slew Rate | 2.3 | 1.2 | 1.2 | 4.6 | 6 | 6 | 210 | 210 | 12.5 | V/µs |
| Gain Bandwidth Product | 5 | 3 | 3 | 12.5 | 5.5 | 5.5 | — | — | 7 | MHz |
| Current - Input Bias | 1.5 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 2 | 2 | 1 | pA |
| Voltage - Input Offset | 50 | 500 | 500 | 500 | 150 | 150 | 2500 | 2500 | 500 | µV |
| Current - Supply | 600 | 525 | 525 | 525 | 750 | 750 | 4400 | 4400 | 300 | µA |
| Voltage - Supply Span (Min) | 2.7 | 2.7 | 2.7 | 2.7 | 2.5 | 2.5 | 2.7 | 2.7 | 1.7 | V |
| Voltage - Supply Span (Max) | 5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | V |
| Operating Temperature | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | °C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 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 | 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 | SOT-23-5 | SOT-23-5 | 5-TSOP | — |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 2 (1 Year) | 2 (1 Year) | 2 (1 Year) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | — |
Engineering Selection Recommendations
All substitute parts listed maintain Active product status and full RoHS3 compliance with REACH unaffected designation, ensuring regulatory equivalence to the LMV751M5/NOPB.
Texas Instruments OPA337 Series (OPA337NA/250, OPA337NA/3K): These parts provide rail-to-rail output capability with reduced input bias current (0.2 pA) and lower supply current (525 µA). The OPA337NA/3K variant offers higher inventory availability (25,645 units). These devices operate within the required supply voltage range and temperature specifications.
Texas Instruments OPA338NA/250: This device provides enhanced slew rate (4.6 V/µs) and higher gain bandwidth product (12.5 MHz) compared to the LMV751M5/NOPB, with rail-to-rail output and reduced input bias current. Moisture sensitivity level is rated at 2 (1 Year).
Texas Instruments OPA340 Series (OPA340NA/250, OPA340NA/3K): These parts deliver the highest slew rate (6 V/µs) among Texas Instruments substitutes and improved input offset voltage (150 µV). The OPA340NA/3K variant provides substantial inventory (21,400 units). Both maintain the required operating temperature range and supply voltage specifications.
Analog Devices ADA4891-1ARJZ Series (ADA4891-1ARJZ-R7, ADA4891-1ARJZ-RL): These high-performance devices feature significantly elevated slew rate (210 V/µs) and extended operating temperature range (-40°C to 125°C). Supply current is higher at 4.4 mA. Both variants maintain SOT-23-5 packaging and RoHS3 compliance. The ADA4891-1ARJZ-RL variant provides higher inventory (15,400 units).
onsemi NCS2003ASN2T1G: This device operates across an extended minimum supply voltage range (1.7 V to 5.5 V) and provides moderate slew rate (12.5 V/µs) with lower supply current (300 µA). Package designation is 5-TSOP with SOT-23-5 Thin case compatibility. Inventory availability is 15,359 units.
Frequently Asked Questions (FAQ)
Q: Can the OPA340NA/3K directly replace the LMV751M5/NOPB on the same printed circuit board?
A: Yes. Both devices use identical SOT-23-5 surface mount packaging (SC-74A, SOT-753 case designation) and share the same pinout configuration. Pin-for-pin substitution is mechanically and electrically valid.
Q: What is the primary difference between OPA337NA/250 and OPA337NA/3K?
A: The part numbers differ in packaging quantity and reel configuration. OPA337NA/250 is supplied in Cut Tape (CT) & Digi-Reel® format with 1,729 units in stock. OPA337NA/3K is supplied in Tape & Reel (TR) format with 25,645 units in stock. Electrical specifications are identical.
Q: Does the ADA4891-1ARJZ series maintain compatibility with the LMV751M5/NOPB supply voltage range?
A: Yes. The ADA4891-1ARJZ series supports 2.7 V to 5.5 V supply operation, which encompasses the LMV751M5/NOPB range of 2.7 V to 5 V. The extended upper limit does not affect compatibility.
Q: Why does the NCS2003ASN2T1G have a different minimum supply voltage specification?
A: The NCS2003ASN2T1G operates from 1.7 V minimum, which is lower than the LMV751M5/NOPB specification of 2.7 V. This device remains a valid substitute for applications operating at or above 2.7 V, as it exceeds the minimum requirement.
Q: What is the significance of Moisture Sensitivity Level (MSL) ratings?
A: MSL 1 (Unlimited) indicates the device has no moisture sensitivity restrictions and requires no special handling or storage conditions. MSL 2 (1 Year) requires the device to be used within one year of the moisture barrier bag opening. OPA338NA/250, OPA340NA/250, and OPA340NA/3K carry MSL 2 ratings and require standard moisture control procedures during assembly.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts carry ROHS3 Compliant status and REACH Unaffected designation, matching the regulatory compliance profile of the LMV751M5/NOPB.
Q: Which substitute offers the lowest power consumption?
A: The NCS2003ASN2T1G provides the lowest supply current at 300 µA, compared to the LMV751M5/NOPB at 600 µA. This represents a 50% reduction in quiescent current consumption.
Q: Can the ADA4891-1ARJZ devices be used in applications requiring extended temperature operation?
A: Yes. The ADA4891-1ARJZ series operates from -40°C to 125°C, extending the upper temperature limit by 40°C beyond the LMV751M5/NOPB specification of -40°C to 85°C. This extended range is available without additional cost or complexity.
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