LMV358QPW Equivalent & Substitute Parts

Part Overview

The LMV358QPW is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-TSSOP surface-mount package. This device delivers rail-to-rail output capability with a 1 MHz gain-bandwidth product, making it suitable for low-power analog signal processing applications across industrial, consumer, and automotive sectors.

The LMV358QPW currently holds Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for systems utilizing this component.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	1	V/µs
Gain Bandwidth Product	1	MHz
Current - Input Bias	15	nA
Voltage - Input Offset	1.7	mV
Current - Supply (x2 Channels)	210	µA
Current - Output / Channel	40	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	8-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LMV358QPW are classified based on strict electrical and mechanical compatibility criteria. The primary substitution logic follows these parameters:

Core Compatibility Parameters:

Dual-circuit (2) operational amplifier configuration
Rail-to-rail output capability
General-purpose amplifier classification
Surface-mount packaging (8-TSSOP or equivalent 8-pin MSOP variants)
Supply voltage range: 2.7 V to 5.5 V minimum overlap
Operating temperature range: -40°C to 85°C minimum
RoHS3 compliance and MSL rating compatibility

Substitution Categories:

Category 1: Direct Equivalents (Same Package, Identical Electrical Specifications) Parts meeting all electrical parameters within specified tolerances and packaged in 8-TSSOP format.

Category 2: Functional Equivalents (Alternative Packages, Compatible Electrical Performance) Parts with equivalent electrical performance but packaged in 8-MSOP or alternative surface-mount formats. These require PCB layout verification for pin-to-pin compatibility.

Category 3: Performance-Enhanced Alternatives (Higher Specifications, Same Package Family) Parts exceeding baseline specifications in slew rate, gain-bandwidth product, or output current while maintaining backward compatibility in core parameters.

Category 4: CMOS Alternatives (Different Amplifier Type, Enhanced Characteristics) CMOS-based dual operational amplifiers offering superior input bias current performance and lower supply current, suitable for power-sensitive applications.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Temp Range (°C)	Package	Status
LMV358QPW	Texas Instruments	General Purpose	1	1	15	1.7	210	40	-40 to 125	8-TSSOP	Obsolete
LMV358IPW	Texas Instruments	General Purpose	1	1	15	1.7	210	40	-40 to 125	8-TSSOP	Last Time Buy
LMV358IPT	STMicroelectronics	General Purpose	0.45	1.3	16	0.1	162	160	-40 to 125	8-TSSOP	Active
LMV358LIPT	STMicroelectronics	General Purpose	0.7	1.3	27	1	130	70	-40 to 125	8-TSSOP	Active
LMV358M8G-13	Diodes Incorporated	General Purpose	1	1	15	1.7	190	90	-40 to 125	8-MSOP	Active
LMX358IST	STMicroelectronics	General Purpose	0.7	1.3	27	4	130	70	-40 to 125	8-MiniSO	Active
AZV358GTR-E1	Diodes Incorporated	General Purpose	1	1	15	1.7	210	60	-40 to 85	8-TSSOP	Active
AZV358MMTR-G1	Diodes Incorporated	General Purpose	1	1	15	1.7	210	60	-40 to 85	8-MSOP	Active
BU7242FVM-TR	Rohm Semiconductor	CMOS	0.4	0.9	0.001	1	180	12	-40 to 85	8-MSOP	Active
BU7242SFVM-TR	Rohm Semiconductor	CMOS	0.4	0.9	0.001	1	180	12	-40 to 105	8-MSOP	Active
BU7486FV-E2	Rohm Semiconductor	CMOS	10	10	0.001	1	6	12	-40 to 105	8-SSOP-B	Active

Engineering Selection Recommendations

Primary Recommendation: LMV358IPW (Texas Instruments)

LMV358IPW is the manufacturer-recommended direct equivalent. It maintains identical electrical specifications to the LMV358QPW across all critical parameters: 1 V/µs slew rate, 1 MHz gain-bandwidth product, 15 nA input bias current, and 1.7 mV input offset voltage. The part is packaged in 8-TSSOP format with full pin compatibility. Product status is Last Time Buy, indicating continued availability with defined end-of-life support. RoHS3 compliance and MSL 1 rating match the original specification. This part requires no design modification and provides the shortest qualification timeline.

Secondary Recommendation: LMV358M8G-13 (Diodes Incorporated)

LMV358M8G-13 offers active product status with equivalent electrical performance to the LMV358QPW. Electrical parameters match the original across slew rate (1 V/µs), gain-bandwidth product (1 MHz), input bias current (15 nA), and input offset voltage (1.7 mV). The part is packaged in 8-MSOP format, requiring PCB layout verification for pin-to-pin compatibility. Output current capability is enhanced to 90 mA per channel versus 40 mA on the original. Supply current is reduced to 190 µA. Full operating temperature range (-40°C to 125°C) and RoHS3 compliance are maintained. This option provides long-term supply security through active product status.

Alternative for Extended Temperature Range: LMV358IPT (STMicroelectronics)

LMV358IPT maintains the full -40°C to 125°C operating temperature range and 8-TSSOP package format. Electrical performance is enhanced with 1.3 MHz gain-bandwidth product and 160 mA output current per channel. Input offset voltage is reduced to 100 µV, and supply current is optimized to 162 µA. This part is suitable for applications requiring superior DC accuracy and higher output drive capability. Active product status ensures long-term availability.

CMOS Alternative for Ultra-Low Power: BU7486FV-E2 (Rohm Semiconductor)

BU7486FV-E2 is a CMOS-based dual operational amplifier suitable for power-constrained applications. Input bias current is reduced to 1 pA (versus 15 nA), and supply current is minimized to 6 mA total. Slew rate is enhanced to 10 V/µs with 10 MHz gain-bandwidth product. The part is packaged in 8-SSOP-B format and operates across -40°C to 105°C. This option is recommended only when ultra-low input bias current and minimal power consumption are critical design requirements, as output current capability is limited to 12 mA per channel.

Compliance Verification:

All recommended substitutes maintain RoHS3 compliance and REACH unaffected status. MSL ratings range from 1 (unlimited) to 3 (168 hours), requiring appropriate moisture control during storage and assembly. ECCN classification remains EAR99 for all parts, with HTSUS code 8542.33.0001 consistent across the product family.

Frequently Asked Questions (FAQ)

Q1: Can LMV358IPW be used as a direct drop-in replacement for LMV358QPW?

Yes. LMV358IPW is the manufacturer-recommended equivalent with identical electrical specifications and 8-TSSOP packaging. No design modifications are required. The only difference is product status: LMV358QPW is Obsolete, while LMV358IPW is Last Time Buy. Verify availability with your supplier before committing to production quantities.

Q2: What is the difference between 8-TSSOP and 8-MSOP packages?

Both are 8-pin surface-mount packages with identical pin assignments and electrical compatibility. The primary difference is physical dimensions: 8-TSSOP has a 4.40 mm body width, while 8-MSOP has a 3.00 mm body width. PCB footprints differ, requiring layout verification before substitution. Electrical performance is equivalent when pin assignments are matched.

Q3: Why does LMV358IPT have lower input offset voltage (100 µV) compared to LMV358QPW (1.7 mV)?

LMV358IPT is manufactured by STMicroelectronics using a different process technology that achieves tighter DC offset specifications. This enhanced accuracy is beneficial for precision analog circuits but is not required for general-purpose applications. Both parts meet the rail-to-rail output and 1 MHz bandwidth requirements of the LMV358 family.

Q4: Can CMOS alternatives like BU7486FV-E2 replace the LMV358QPW in all applications?

No. CMOS alternatives offer superior input bias current performance (1 pA versus 15 nA) and lower supply current, but they have reduced output current capability (12 mA versus 40 mA). CMOS parts are suitable only for high-impedance input applications with light output loads. Verify output current requirements before selecting a CMOS alternative.

Q5: What is the significance of MSL (Moisture Sensitivity Level) ratings?

MSL ratings define the maximum time a component can be exposed to ambient conditions (typically 30°C, 85% relative humidity) before assembly. MSL 1 (unlimited) parts have no time restrictions. MSL 3 (168 hours) parts must be assembled within 168 hours of package opening. Ensure your assembly process accommodates the MSL rating of selected parts.

Q6: Are all substitute parts RoHS3 compliant?

Yes. All recommended substitute parts carry RoHS3 compliance certification. This ensures compatibility with environmental regulations across EU, China, and other regulated markets. Verify RoHS3 documentation with your supplier for compliance records.

Q7: Which substitute offers the best long-term supply availability?

LMV358M8G-13 (Diodes Incorporated) and LMV358IPT (STMicroelectronics) both carry Active product status, indicating ongoing production and support. These parts are recommended for new designs requiring 5+ year supply commitments. LMV358IPW (Last Time Buy) has defined end-of-life support but limited future availability.

Q8: Can I use LMX358IST as a substitute if my PCB layout supports 8-MiniSO packaging?

Yes, if your PCB footprint accommodates 8-MiniSO (0.118" width). LMX358IST maintains the full -40°C to 125°C operating range and general-purpose amplifier classification. Electrical performance is comparable with 1.3 MHz gain-bandwidth product and 70 mA output current per channel. Verify pin-to-pin compatibility before layout finalization.

Q9: What are the key parameters that determine substitutability?

Substitutability is determined by: (1) dual-circuit configuration, (2) rail-to-rail output capability, (3) general-purpose amplifier classification, (4) surface-mount packaging compatibility, (5) overlapping supply voltage range (minimum 2.7 V to 5.5 V), (6) operating temperature range (minimum -40°C to 85°C), and (7) RoHS3 compliance. Deviations in any parameter require application-level verification.

Q10: Should I test substitute parts before production release?

Yes. Although all listed parts meet the specified electrical and mechanical parameters, application-specific testing is recommended. Verify: (1) DC offset performance in precision circuits, (2) output current capability under load, (3) thermal performance in high-temperature environments, and (4) PCB layout compatibility for alternative packages. Conduct bench-level functional testing before committing to production quantities.

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