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LMV358IDRG4Q1 Equivalent & Substitute Parts
Part Overview
The LMV358IDRG4Q1 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface-mount package. This device is classified as Obsolete and is no longer in active production. The LMV358IDRG4Q1 operates as a rail-to-rail output amplifier suitable for low-voltage applications requiring dual-channel amplification.
Due to its obsolete status, identifying equivalent and substitute parts is necessary for design continuity, procurement reliability, and long-term product support. Active alternatives from Texas Instruments and other manufacturers provide equivalent or enhanced electrical performance while maintaining compatibility with existing circuit designs.
Substiute Parts
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 | 160 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 85 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the LMV358IDRG4Q1 is determined by the following critical parameters:
Primary Substitution Criteria:
- Dual-circuit configuration (2 circuits per package)
- Rail-to-rail output capability
- 8-SOIC package footprint compatibility (0.154", 3.90mm width)
- Supply voltage range: 2.7 V to 5.5 V minimum
- Surface-mount technology
- General-purpose amplifier classification
Secondary Compatibility Parameters:
- Slew rate: 1 V/µs or greater
- Gain bandwidth product: 1 MHz or greater
- Input bias current: 15 nA or lower
- Input offset voltage: 1.7 mV or lower
- Output current per channel: 160 mA or greater
- Operating temperature range: -40°C to 85°C minimum
Substitute parts are grouped into two categories:
Category 1: Direct Texas Instruments Equivalents (LMV358 Series) These parts share the identical base product number (LMV358) and maintain all electrical specifications. Differences exist only in packaging format and product status (active vs. obsolete).
Category 2: Alternative Manufacturers & Enhanced Specifications These parts meet or exceed the primary substitution criteria while offering different electrical characteristics, such as lower power consumption, improved input bias current, or extended temperature ranges. These alternatives are suitable when the application permits parameter variations.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA) | Input Offset (mV) | Supply Current (µA) | Output Current (mA) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|
| LMV358IDRG4Q1 | Texas Instruments | Obsolete | 1 | 1 | 15 | 1.7 | 210 | 160 | -40 to 85 | 8-SOIC |
| LMV358M/NOPB | Texas Instruments | Active | 1 | 1 | 15 | 1.7 | 210 | 160 | -40 to 125 | 8-SOIC |
| LMV358MX/NOPB | Texas Instruments | Active | 1 | 1 | 15 | 1.7 | 210 | 160 | -40 to 125 | 8-SOIC |
| LMV358Q3MA/NOPB | Texas Instruments | Active | 1 | 1 | 15 | 1.7 | 210 | 160 | -40 to 85 | 8-SOIC |
| LPV358M/NOPB | Texas Instruments | Active | 0.1 | 0.152 | 2 | 1.5 | 15 | 16 | -40 to 85 | 8-SOIC |
| LPV358MX/NOPB | Texas Instruments | Active | 0.1 | 0.152 | 2 | 1.5 | 15 | 16 | -40 to 85 | 8-SOIC |
| AD8542ARZ | Analog Devices Inc. | Active | 0.92 | 1 | 0.004 | 1 | 45 | 30 | -40 to 125 | 8-SOIC |
| AD8542ARZ-REEL | Analog Devices Inc. | Active | 0.92 | 1 | 0.004 | 1 | 45 | 30 | -40 to 125 | 8-SOIC |
| BU7242F-E2 | Rohm Semiconductor | Active | 0.4 | 0.9 | 0.001 | 1 | 180 | 12 | -40 to 85 | 8-SOP |
| BU7242SF-E2 | Rohm Semiconductor | Active | 0.4 | 0.9 | 0.001 | 1 | 180 | 12 | -40 to 105 | 8-SOP |
| BU7266F-E2 | Rohm Semiconductor | Active | 0.0024 | 0.004 | 0.001 | 1 | 0.0007 | 4 | -40 to 85 | 8-SOP |
Engineering Selection Recommendations
Recommended Primary Substitutes (Direct Equivalents):
The LMV358M/NOPB and LMV358MX/NOPB are the preferred direct substitutes for the LMV358IDRG4Q1. Both parts maintain identical electrical specifications and 8-SOIC package compatibility. These parts are manufactured by Texas Instruments and carry Active product status, ensuring long-term availability and supply chain reliability. The LMV358MX/NOPB offers the highest inventory availability (155,100 units in stock) and is supplied in Cut Tape & Digi-Reel® packaging, suitable for high-volume production environments.
The LMV358Q3MA/NOPB is an automotive-grade variant (AEC-Q100 qualified) with identical electrical performance to the original part. This option is appropriate for applications requiring automotive qualification or extended reliability documentation.
Secondary Substitutes (Extended Temperature Range):
The LMV358M/NOPB and LMV358MX/NOPB extend the operating temperature range to -40°C to 125°C, providing enhanced thermal performance compared to the original -40°C to 85°C specification. This extended range is beneficial for applications in elevated ambient temperature environments.
Alternative Manufacturer Options:
The AD8542ARZ (Analog Devices Inc.) meets all primary substitution criteria with identical 1 MHz gain bandwidth product and 0.92 V/µs slew rate. This part offers superior input bias current performance (4 pA vs. 15 nA) and extended operating temperature range (-40°C to 125°C). The AD8542ARZ is suitable for applications where lower input bias current is advantageous.
Not Recommended for Direct Substitution:
The LPV358M/NOPB and LPV358MX/NOPB are low-power variants with significantly reduced slew rate (0.1 V/µs), gain bandwidth product (152 kHz), and output current capability (16 mA). These parts are suitable only for applications where power consumption is the primary design constraint and reduced bandwidth is acceptable.
The BU7242F-E2, BU7242SF-E2, and BU7266F-E2 (Rohm Semiconductor) feature different package dimensions (8-SOP, 0.173", 4.40mm width) and reduced output current capability. The BU7266F-E2 exhibits extremely low bandwidth (4 kHz) and is not suitable for general-purpose amplification applications.
Compliance & Certification:
All recommended substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH Unaffected status, matching the original part's environmental and regulatory certifications.
Frequently Asked Questions (FAQ)
Q1: Can I directly replace LMV358IDRG4Q1 with LMV358M/NOPB or LMV358MX/NOPB?
Yes. The LMV358M/NOPB and LMV358MX/NOPB are direct electrical equivalents with identical specifications. Both parts use the same 8-SOIC package footprint and pinout. The primary differences are packaging format (Tube vs. Cut Tape & Digi-Reel®) and extended operating temperature range (-40°C to 125°C vs. -40°C to 85°C). No circuit modifications are required.
Q2: What is the difference between LMV358MX/NOPB and LMV358M/NOPB?
Both parts are electrically identical. The difference is packaging: LMV358MX/NOPB is supplied in Cut Tape & Digi-Reel® format suitable for automated assembly, while LMV358M/NOPB is supplied in Tube packaging. The LMV358MX/NOPB has significantly higher inventory availability (155,100 units vs. 1,898 units).
Q3: Is the LMV358Q3MA/NOPB suitable for non-automotive applications?
Yes. The LMV358Q3MA/NOPB is an automotive-grade variant with AEC-Q100 qualification. It maintains identical electrical specifications to the standard LMV358 and can be used in non-automotive applications. The automotive qualification provides additional reliability documentation and traceability.
Q4: Why are the LPV358M/NOPB and LPV358MX/NOPB not recommended as direct substitutes?
The LPV358 series is a low-power variant with significantly reduced performance specifications: slew rate of 0.1 V/µs (vs. 1 V/µs), gain bandwidth product of 152 kHz (vs. 1 MHz), and output current of 16 mA per channel (vs. 160 mA). These reduced specifications make the LPV358 unsuitable for applications requiring the full performance envelope of the LMV358IDRG4Q1. The LPV358 is appropriate only for ultra-low-power applications where bandwidth and output current are not critical.
Q5: Can I use the AD8542ARZ as a substitute?
Yes, with design verification. The AD8542ARZ meets all primary substitution criteria and offers superior input bias current performance (4 pA vs. 15 nA). However, the AD8542ARZ is manufactured by Analog Devices Inc., not Texas Instruments. Verify that your design does not have manufacturer-specific requirements or qualification constraints. The AD8542ARZ is suitable for applications where lower input bias current provides design advantages.
Q6: Are the Rohm Semiconductor parts (BU7242, BU7266) suitable substitutes?
The BU7242F-E2 and BU7242SF-E2 meet the primary substitution criteria but use a different package variant (8-SOP, 0.173", 4.40mm width vs. 8-SOIC, 0.154", 3.90mm width). Verify PCB layout compatibility before selection. The BU7242 series offers reduced output current (12 mA vs. 160 mA) and lower slew rate (0.4 V/µs vs. 1 V/µs). The BU7266F-E2 is not suitable due to extremely low bandwidth (4 kHz) and minimal output current (4 mA).
Q7: What is the significance of the "Q3" designation in LMV358Q3MA/NOPB?
The "Q3" designation indicates automotive-grade qualification to AEC-Q100 standards. This qualification ensures the part meets automotive industry reliability, testing, and traceability requirements. The Q3 variant is appropriate for automotive applications or designs requiring automotive-level documentation and qualification.
Q8: Does package format affect electrical performance?
No. Package format (Tube, Cut Tape & Digi-Reel®, Tape & Reel) affects only handling, storage, and assembly logistics. Electrical performance is identical across all packaging options for the same part number base. Select packaging based on production volume and assembly equipment compatibility.
Q9: What is the difference between 8-SOIC and 8-SOP packages?
Both are 8-pin surface-mount packages with similar pinouts. The primary difference is package width: 8-SOIC is 0.154" (3.90mm) wide, while 8-SOP is 0.173" (4.40mm) wide. PCB footprints are not interchangeable. Verify footprint compatibility before selecting Rohm Semiconductor alternatives.
Q10: Are all substitute parts RoHS3 compliant?
Yes. All recommended substitute parts maintain ROHS3 compliance, matching the original LMV358IDRG4Q1 certification. All parts are also MSL Level 1 (Unlimited) and REACH Unaffected, ensuring environmental and regulatory compatibility.
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