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LMV358QDG4 Equivalent & Substitute Parts
Part Overview
The LMV358QDG4 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface-mount package with rail-to-rail output capability. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production continuity. The LMV358QDG4 operates across a 2.7V to 5.5V supply range and is suitable for low-power analog signal processing applications requiring dual-channel amplification.
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 | 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-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 LMV358QDG4 is determined by strict equivalence across the following critical parameters:
Primary Substitution Criteria:
- Dual-circuit general-purpose operational amplifier architecture
- Rail-to-rail output configuration
- 8-SOIC surface-mount package (0.154", 3.90mm width)
- Supply voltage range: 2.7V to 5.5V minimum compatibility
- Operating temperature range: -40°C to 125°C (or subset thereof)
- Slew rate: 1V/µs
- Gain bandwidth product: 1 MHz
- Input bias current: 15 nA
- Input offset voltage: 1.7 mV
- Output current per channel: 40 mA minimum
- Supply current: 210µA (x2 channels)
Substitute Categories:
Category 1: Direct Texas Instruments Equivalents (Active Status) Parts LMV358QDR, LMV358M/NOPB, and LMV358MX/NOPB maintain identical electrical specifications to the main part. These represent the primary substitution path for obsolete LMV358QDG4 units.
Category 2: Enhanced Output Current Variants (Texas Instruments) Parts LMV358M/NOPB and LMV358MX/NOPB provide 160 mA output current per channel, exceeding the 40 mA specification of the main part. These are suitable for applications requiring higher drive capability while maintaining all other electrical parameters.
Category 3: Low-Power Variants (Texas Instruments LPV358 Series) Parts LPV358M/NOPB and LPV358MX/NOPB operate at reduced slew rate (0.1V/µs), lower gain bandwidth product (152 kHz), and significantly reduced supply current (15µA x2 channels). These are suitable only for applications where bandwidth and slew rate constraints are acceptable.
Category 4: Last-Time-Buy Status (Texas Instruments) Part LMV358QD maintains identical specifications to LMV358QDG4 but carries Last-Time-Buy status, indicating limited availability.
Category 5: Cross-Manufacturer Alternatives (Analog Devices) Parts AD8542ARZ and AD8542ARZ-REEL from Analog Devices provide equivalent dual-circuit, rail-to-rail architecture with 1 MHz gain bandwidth product and 1V/µs slew rate. These parts feature lower input bias current (4 pA) and reduced supply current (45µA x2 channels) compared to the main part.
Category 6: Cross-Manufacturer Alternatives (Diodes Incorporated) Parts AZV358MTR-E1 and AZV358MTR-G1 from Diodes Incorporated provide equivalent specifications with enhanced output current capability (60 mA per channel). Operating temperature range is -40°C to 85°C, which is a subset of the main part's range.
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) | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|
| LMV358QDG4 | Texas Instruments | Obsolete | 1 | 1 | 15 | 1.7 | 210 | 40 | -40 to 125 | 8-SOIC |
| LMV358QDR | Texas Instruments | Active | 1 | 1 | 15 | 1.7 | 210 | 40 | -40 to 125 | 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 |
| 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 |
| LMV358QD | Texas Instruments | Last Time Buy | 1 | 1 | 15 | 1.7 | 210 | 40 | -40 to 125 | 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 |
| AZV358MTR-E1 | Diodes Incorporated | Active | 1 | 1 | 15 | 1.7 | 210 | 60 | -40 to 85 | 8-SOIC |
| AZV358MTR-G1 | Diodes Incorporated | Active | 1 | 1 | 15 | 1.7 | 210 | 60 | -40 to 85 | 8-SOIC |
Engineering Selection Recommendations
Primary Recommendation: LMV358QDR (Texas Instruments)
LMV358QDR is the direct active-status equivalent of the obsolete LMV358QDG4. This part maintains identical electrical specifications across all parameters and is available in Cut Tape and Digi-Reel packaging. With 1225 units in stock, this represents the optimal substitution path for new designs and production continuity. Both parts are ROHS3 compliant with MSL 1 rating.
Secondary Recommendation: LMV358MX/NOPB (Texas Instruments)
LMV358MX/NOPB provides identical core specifications to LMV358QDG4 with enhanced output current capability (160 mA vs. 40 mA per channel). This part is available in Cut Tape and Digi-Reel packaging with 155,100 units in stock, ensuring long-term availability. The increased output current provides design margin for applications requiring higher load drive capability. ROHS3 compliant with MSL 1 rating.
Alternative for Extended Temperature Range: AD8542ARZ (Analog Devices Inc.)
AD8542ARZ maintains the full -40°C to 125°C operating temperature range and 1 MHz gain bandwidth product. This part features superior input bias current performance (4 pA vs. 15 nA) and reduced supply current (45µA vs. 210µA). The slew rate is 0.92V/µs, which is marginally lower than the 1V/µs specification. With 37,241 units in stock, this represents a viable cross-manufacturer alternative. ROHS3 compliant with MSL 1 rating.
Alternative for Reduced Temperature Range: AZV358MTR-G1 (Diodes Incorporated)
AZV358MTR-G1 provides identical electrical specifications with enhanced output current (60 mA vs. 40 mA per channel). The operating temperature range is -40°C to 85°C, which is a subset of the main part's range. This part is suitable for applications not requiring the full 125°C upper temperature limit. Available in Tape & Reel packaging with 3,268 units in stock. ROHS3 compliant with MSL 3 rating (168 hours).
Not Recommended for Direct Substitution: LPV358 Series
LPV358M/NOPB and LPV358MX/NOPB are low-power variants with significantly reduced bandwidth (152 kHz vs. 1 MHz) and slew rate (0.1V/µs vs. 1V/µs). These parts are suitable only for applications where bandwidth constraints are acceptable and power consumption is the primary design driver.
Frequently Asked Questions (FAQ)
Q1: Can LMV358QDR be used as a direct replacement for LMV358QDG4 without circuit modification?
A: Yes. LMV358QDR maintains identical electrical specifications across all parameters: 1V/µs slew rate, 1 MHz gain bandwidth product, 15 nA input bias current, 1.7 mV input offset voltage, 210µA supply current, and 40 mA output current per channel. Both parts operate across 2.7V to 5.5V supply range and -40°C to 125°C temperature range. The 8-SOIC package dimensions are identical. No circuit modifications are required.
Q2: What is the difference between LMV358M/NOPB and LMV358MX/NOPB?
A: Both parts are electrically identical with one distinction: packaging format. LMV358M/NOPB is supplied in Tube packaging, while LMV358MX/NOPB is supplied in Cut Tape and Digi-Reel format. The electrical specifications, including the enhanced 160 mA output current per channel, are identical. Selection depends on production assembly requirements and packaging preferences.
Q3: Why does LMV358M/NOPB have 160 mA output current while LMV358QDG4 specifies 40 mA?
A: Both parts share the same base product number (LMV358) and core architecture. The difference in output current specification reflects different device grades or manufacturing processes within the LMV358 family. LMV358M/NOPB is suitable for applications requiring higher output drive capability while maintaining all other electrical characteristics.
Q4: Can AD8542ARZ replace LMV358QDG4 in all applications?
A: AD8542ARZ is a cross-manufacturer alternative that maintains the 1 MHz gain bandwidth product, 1V/µs slew rate (actual: 0.92V/µs), and full -40°C to 125°C temperature range. However, the input bias current is significantly lower (4 pA vs. 15 nA), and supply current is reduced (45µA vs. 210µA). These differences may affect circuit behavior in applications sensitive to input bias current or requiring specific quiescent current characteristics. Verification is necessary for bias-current-sensitive applications.
Q5: What is the significance of the MSL (Moisture Sensitivity Level) rating difference between AZV358MTR-G1 (MSL 3) and other parts (MSL 1)?
A: MSL 1 indicates unlimited shelf life without moisture control. MSL 3 requires moisture control and has a 168-hour floor life after bag opening. For production environments with controlled moisture conditions and rapid assembly cycles, MSL 3 parts present no practical limitation. For long-term storage or environments without moisture control, MSL 1 parts are preferred.
Q6: Is LMV358QD suitable as a substitute despite Last-Time-Buy status?
A: LMV358QD maintains identical electrical specifications to LMV358QDG4 and is available in Tube packaging with 3,309 units in stock. However, Last-Time-Buy status indicates that inventory will not be replenished after current stock is exhausted. This part is suitable for immediate production needs but not recommended for long-term design continuity. LMV358QDR or LMV358MX/NOPB are preferred for ongoing production.
Q7: What packaging options are available for each substitute part?
A: LMV358QDR is available in Cut Tape and Digi-Reel format. LMV358M/NOPB is supplied in Tube. LMV358MX/NOPB is available in Cut Tape and Digi-Reel. LPV358M/NOPB is supplied in Tube. LPV358MX/NOPB is available in Tape & Reel. AD8542ARZ is supplied in Tube. AD8542ARZ-REEL is available in Cut Tape and Digi-Reel. AZV358MTR-E1 and AZV358MTR-G1 are both supplied in Tape & Reel format. Selection depends on assembly equipment compatibility and production volume requirements.
Q8: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed (LMV358QDR, LMV358M/NOPB, LMV358MX/NOPB, LPV358M/NOPB, LPV358MX/NOPB, LMV358QD, AD8542ARZ, AD8542ARZ-REEL, AZV358MTR-E1, AZV358MTR-G1) are ROHS3 compliant. All parts are also REACH unaffected and classified as EAR99 for export control purposes.
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