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LMV358AMU8X Equivalent & Substitute Parts
Part Overview
The LMV358AMU8X is a general purpose operational amplifier manufactured by onsemi, featuring dual circuits in an 8-MSOP surface mount package. This device delivers rail-to-rail output capability with a 1.4 MHz gain bandwidth product and operates across a 2.7 V to 5.5 V supply range. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting the same electrical specifications and package requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 1.5 | V/µs |
| Gain Bandwidth Product | 1.4 | MHz |
| Current - Input Bias | 1 | nA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply | 100 | µA |
| Current - Output / Channel | 34 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 8-MSOP | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the LMV358AMU8X is determined by the following critical parameters: amplifier type (general purpose), dual-circuit configuration, rail-to-rail output capability, supply voltage range (2.7 V to 5.5 V minimum), operating temperature range (-40°C to 125°C), and 8-MSOP or compatible package format. Substitute parts are grouped into three categories based on these criteria:
Category 1: onsemi General Purpose Amplifiers (8-MSOP) Parts LMV358DMR2G, NCS20082DMR2G, and NCV20082DMR2G maintain the same manufacturer ecosystem and package specification. These devices preserve the dual-circuit, rail-to-rail architecture with supply voltage compatibility.
Category 2: onsemi CMOS and Voltage Feedback Variants (8-MSOP) Part LMV932DMR2G offers CMOS technology with comparable gain bandwidth product and extended lower supply voltage (1.8 V minimum). Part LMV358DMR2G provides voltage feedback topology with enhanced output current capability.
Category 3: onsemi General Purpose Amplifiers (8-TSSOP) Part NCV20082DTBR2G delivers identical electrical specifications in the 8-TSSOP package format, suitable for applications where package footprint variation is acceptable.
Category 4: Analog Devices Equivalents (8-MSOP and 8-TSSOP) Parts AD8542ARMZ, AD8542ARMZ-REEL, and AD8542ARUZ provide general purpose dual-circuit amplification with rail-to-rail output, matching the supply voltage and temperature operating ranges. These devices are manufactured by Analog Devices Inc. and maintain functional equivalence.
Category 5: High-Performance Alternatives (8-MSOP) Parts AD8062ARMZ and AD8062ARMZ-R7 deliver voltage feedback topology with significantly enhanced slew rate (650 V/µs) and bandwidth (320 MHz), suitable for applications requiring higher performance than the original specification.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Circuits | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA/pA) | Input Offset (mV/µV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LMV358AMU8X | onsemi | General Purpose | 2 | 1.5 | 1.4 | 1 nA | 1 | 100 | 34 | 2.7 | 5.5 | -40 to 125 | 8-MSOP | Obsolete |
| LMV358DMR2G | onsemi | Voltage Feedback | 2 | 1 | 1 | 1 nA | 1.7 | 100 | 160 | 2.7 | 5.5 | -40 to 85 | 8-MSOP | Active |
| LMV932DMR2G | onsemi | CMOS | 2 | 0.35 | 1.5 | 1 nA | 1 | 75 | 80 | 1.8 | 5 | -40 to 125 | 8-MSOP | Active |
| NCS20082DMR2G | onsemi | General Purpose | 2 | 0.4 | 1.2 | 1 pA | 500 µV | 48 | 15 | 1.8 | 5.5 | -40 to 125 | 8-MSOP | Active |
| NCV20082DMR2G | onsemi | General Purpose | 2 | 0.4 | 1.2 | 1 pA | 500 µV | 48 | 15 | 1.8 | 5.5 | -40 to 125 | 8-MSOP | Active |
| NCV20082DTBR2G | onsemi | General Purpose | 2 | 0.4 | 1.2 | 1 pA | 500 µV | 48 | 15 | 1.8 | 5.5 | -40 to 125 | 8-TSSOP | Active |
| AD8542ARMZ | Analog Devices | General Purpose | 2 | 0.92 | 1 | 4 pA | 1 | 45 | 30 | 2.7 | 5.5 | -40 to 125 | 8-MSOP | Active |
| AD8542ARMZ-REEL | Analog Devices | General Purpose | 2 | 0.92 | 1 | 4 pA | 1 | 45 | 30 | 2.7 | 5.5 | -40 to 125 | 8-MSOP | Active |
| AD8542ARUZ | Analog Devices | General Purpose | 2 | 0.92 | 1 | 4 pA | 1 | 45 | 30 | 2.7 | 5.5 | -40 to 125 | 8-TSSOP | Active |
| AD8062ARMZ | Analog Devices | Voltage Feedback | 2 | 650 | 320 | 3.5 µA | 1 | 6.8 | 50 | 2.7 | 8 | -40 to 85 | 8-MSOP | Active |
| AD8062ARMZ-R7 | Analog Devices | Voltage Feedback | 2 | 650 | 320 | 3.5 µA | 1 | 6.8 | 50 | 2.7 | 8 | -40 to 85 | 8-MSOP | Active |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility)
For direct replacement in existing designs, LMV358DMR2G and AD8542ARMZ are the preferred choices. Both maintain active product status, ROHS3 compliance, and identical moisture sensitivity ratings. LMV358DMR2G preserves the onsemi manufacturer lineage with enhanced output current capability (160 mA vs. 34 mA). AD8542ARMZ provides equivalent general purpose amplification from Analog Devices with comparable supply voltage and temperature specifications.
Secondary Substitutes (Extended Supply Range)
NCS20082DMR2G and NCV20082DMR2G offer extended lower supply voltage capability (1.8 V minimum) while maintaining the -40°C to 125°C operating temperature range. These devices deliver superior input bias current performance (1 pA vs. 1 nA) and lower supply current consumption (48 µA vs. 100 µA). Both are active products with ROHS3 compliance.
Package Variant Substitutes
NCV20082DTBR2G and AD8542ARUZ provide identical electrical specifications in 8-TSSOP package format. Selection of these variants is appropriate when PCB layout requires the larger 8-TSSOP footprint (0.173" width vs. 0.118" for 8-MSOP).
High-Performance Alternatives
AD8062ARMZ and AD8062ARMZ-R7 deliver significantly enhanced performance characteristics (650 V/µs slew rate, 320 MHz bandwidth) suitable for applications requiring higher frequency response than the original LMV358AMU8X specification. These devices operate to 8 V maximum supply and are limited to -40°C to 85°C temperature range.
Compliance and Certification
All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH Unaffected status, matching the original part's regulatory requirements. All devices are classified as active products except the original LMV358AMU8X (obsolete).
Frequently Asked Questions (FAQ)
Q: Can LMV358DMR2G directly replace LMV358AMU8X in all applications?
A: LMV358DMR2G maintains the same base product number (LMV358) and package format (8-MSOP). Both devices support 2.7 V to 5.5 V supply operation and -40°C to 125°C temperature range. The primary difference is amplifier topology (voltage feedback vs. general purpose) and enhanced output current (160 mA vs. 34 mA). Verification of circuit requirements is necessary for applications sensitive to slew rate (1 V/µs vs. 1.5 V/µs) or gain bandwidth product (1 MHz vs. 1.4 MHz).
Q: What is the difference between NCS20082DMR2G and NCV20082DMR2G?
A: Both devices deliver identical electrical specifications and operate across 1.8 V to 5.5 V supply range with -40°C to 125°C temperature rating. The primary distinction is manufacturer designation within the onsemi product line. Both are active products with equivalent availability and compliance status.
Q: Why does AD8062ARMZ have a different operating temperature maximum (85°C vs. 125°C)?
A: AD8062ARMZ is a voltage feedback amplifier optimized for high-frequency applications (320 MHz bandwidth, 650 V/µs slew rate). The reduced temperature maximum reflects the thermal characteristics of this higher-performance topology. Selection of AD8062ARMZ is appropriate only for applications requiring enhanced bandwidth and slew rate performance.
Q: Can I use the 8-TSSOP package variants (NCV20082DTBR2G or AD8542ARUZ) as direct PCB substitutes?
A: The 8-TSSOP package has a larger footprint (0.173" width) compared to 8-MSOP (0.118" width). PCB layout modifications are required for package substitution. Pin configuration and electrical specifications remain compatible. Verify PCB design constraints before selecting 8-TSSOP variants.
Q: Which substitute offers the lowest power consumption?
A: NCS20082DMR2G and NCV20082DMR2G deliver the lowest supply current at 48 µA (per dual channels) compared to 100 µA for the original LMV358AMU8X. These devices also feature superior input bias current performance (1 pA vs. 1 nA), making them suitable for low-power applications.
Q: Are all substitute parts ROHS3 compliant?
A: All listed substitute parts maintain ROHS3 compliance status, matching the original LMV358AMU8X specification. All devices are classified as MSL Level 1 (Unlimited) and REACH Unaffected, ensuring regulatory compatibility for new designs.
Q: What is the primary advantage of LMV932DMR2G over other substitutes?
A: LMV932DMR2G employs CMOS technology with extended lower supply voltage capability (1.8 V minimum) and reduced supply current consumption (75 µA). The device maintains -40°C to 125°C operating temperature range and 1.5 MHz gain bandwidth product. Selection is appropriate for battery-powered or ultra-low-power applications requiring extended supply voltage flexibility.
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