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LPV358IDG4 Equivalent & Substitute Parts
Part Overview
The LPV358IDG4 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, necessitating identification of active equivalent and substitute components for ongoing design requirements and production continuity. The LPV358IDG4 operates across a 2.7V to 5V supply range with low input bias current and is suitable for low-power analog signal processing applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | LPV358IDG4 | — |
| Manufacturer | Texas Instruments | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 0.1 | V/µs |
| Gain Bandwidth Product | 237 | kHz |
| Current - Input Bias | 2 | nA |
| Voltage - Input Offset | 1.5 | mV |
| Current - Supply | 15 | µA (x2 Channels) |
| Current - Output / Channel | 72 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 5 | V |
| Operating Temperature | -40 to 125 | °C |
| Part Status | Obsolete | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the LPV358IDG4 is determined by the following critical parameters: package type (8-SOIC surface mount), number of circuits (2), output configuration (rail-to-rail), supply voltage range compatibility (minimum 2.7V), and operating temperature range. Substitute parts are grouped into two categories based on electrical performance characteristics and package compatibility.
Category 1: Direct LPV358 Series Variants (Texas Instruments) These parts share the identical LPV358 base product number and maintain the same electrical specifications including slew rate (0.1V/µs), gain bandwidth product (152–237 kHz), input bias current (2 nA), and output current per channel (16–72 mA). Packaging variants differ only in tape format (Tube, Tape & Reel, or Cut Tape). These are functionally equivalent for applications requiring the LPV358 electrical performance envelope.
Category 2: Enhanced Performance Alternatives (Texas Instruments LMV358 Series) The LMV358M/NOPB and LMV358MX/NOPB offer improved electrical performance with higher slew rate (1V/µs), increased gain bandwidth product (1 MHz), and higher output current per channel (160 mA). These parts maintain the same 8-SOIC package footprint and supply voltage range (2.7–5.5V) but operate at higher current consumption (210µA vs. 15µA). These are suitable for applications requiring higher bandwidth and output drive capability.
Category 3: Alternative Manufacturers (Rohm Semiconductor, Analog Devices) The MAX4471ESA+, MAX4471ESA+T, BU7266F-E2, BU7266SF-E2, BU7486F-E2, and LMR932F-GE2 represent alternative sourcing options from different manufacturers. These parts maintain 8-SOIC or 8-SOP package compatibility and rail-to-rail output configuration but exhibit varying electrical characteristics. Selection from this category requires verification of specific application requirements against the provided electrical parameters.
Parameter Comparison
| Parameter | LPV358IDG4 (Main) | LPV358M/NOPB | LPV358MX/NOPB | LMV358M/NOPB | LMV358MX/NOPB | MAX4471ESA+ | MAX4471ESA+T |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices Inc./Maxim | Analog Devices Inc./Maxim |
| Part Status | Obsolete | Active | Active | Active | Active | Active | Active |
| Package / Case | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) |
| Packaging Format | Tube | Tube | Tape & Reel (TR) | Tube | Cut Tape (CT) & Digi-Reel® | Tube | Tape & Reel (TR) |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Slew Rate (V/µs) | 0.1 | 0.1 | 0.1 | 1 | 1 | 0.002 | 0.002 |
| Gain Bandwidth Product (kHz) | 237 | 152 | 152 | 1000 | 1000 | 9 | 9 |
| Current - Input Bias (nA) | 2 | 2 | 2 | 15 | 15 | 0.2 | 0.2 |
| Voltage - Input Offset (mV) | 1.5 | 1.5 | 1.5 | 1.7 | 1.7 | 0.5 | 0.5 |
| Current - Supply (µA) | 15 | 15 | 15 | 210 | 210 | 0.75 | 0.75 |
| Current - Output / Channel (mA) | 72 | 16 | 16 | 160 | 160 | 36 | 36 |
| Voltage - Supply Span (Min) (V) | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 1.8 | 1.8 |
| Voltage - Supply Span (Max) (V) | 5 | 5 | 5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
For Direct Replacement (Identical Electrical Performance): The LPV358M/NOPB and LPV358MX/NOPB are active-status equivalents of the obsolete LPV358IDG4. Both maintain identical electrical specifications and 8-SOIC package footprint. Selection between these two variants depends on packaging format requirements: LPV358M/NOPB is supplied in Tube format, while LPV358MX/NOPB is supplied in Tape & Reel format. Both are ROHS3 compliant with MSL 1 rating and are suitable for direct PCB layout compatibility.
For Enhanced Performance Applications: The LMV358M/NOPB and LMV358MX/NOPB offer 10× higher gain bandwidth product (1 MHz vs. 237 kHz) and 2.2× higher output current per channel (160 mA vs. 72 mA). These parts are appropriate for applications requiring higher-frequency signal processing or increased output drive capability. Operating temperature range extends to 125°C. Supply voltage range extends to 5.5V maximum. Higher supply current consumption (210µA vs. 15µA) must be evaluated against power budget constraints.
For Ultra-Low Power Applications: The MAX4471ESA+ and MAX4471ESA+T provide ultra-low supply current (0.75µA) and minimal input bias current (0.2 nA), suitable for battery-powered or energy-harvesting applications. These parts operate across an extended supply range (1.8V to 5.5V). Reduced slew rate (0.002V/µs) and gain bandwidth product (9 kHz) limit applicability to low-frequency signal conditioning. Operating temperature range is limited to -40°C to 85°C.
Compliance and Certification: All substitute parts listed are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity) rating, matching the original LPV358IDG4 compliance profile. All parts carry EAR99 ECCN classification and REACH unaffected status. Selection should prioritize active-status parts (LPV358M/NOPB, LPV358MX/NOPB, LMV358M/NOPB, LMV358MX/NOPB, MAX4471ESA+, MAX4471ESA+T) over obsolete inventory.
Frequently Asked Questions (FAQ)
Q: Can the LPV358M/NOPB be used as a direct drop-in replacement for the LPV358IDG4?
A: Yes. The LPV358M/NOPB is an active-status equivalent with identical electrical specifications (slew rate 0.1V/µs, gain bandwidth product 152 kHz, input bias current 2 nA, output current 16 mA per channel) and matching 8-SOIC package footprint. PCB layout compatibility is maintained. The primary difference is part status (active vs. obsolete) and packaging format (Tube vs. original format).
Q: What is the difference between LPV358MX/NOPB and LPV358M/NOPB?
A: Both parts are electrically identical with matching specifications and 8-SOIC package. The difference is packaging format: LPV358M/NOPB is supplied in Tube format, while LPV358MX/NOPB is supplied in Tape & Reel format. Selection depends on assembly line requirements and tape reel compatibility with pick-and-place equipment.
Q: Should I use LMV358M/NOPB instead of LPV358M/NOPB for higher performance?
A: The LMV358M/NOPB offers significantly higher gain bandwidth product (1 MHz vs. 152 kHz) and output current per channel (160 mA vs. 16 mA). Selection depends on application requirements. If the original design operates successfully with LPV358 specifications, upgrading to LMV358 is not necessary and increases power consumption (210µA vs. 15µA). Upgrade is justified only if the application requires higher bandwidth or output drive capability.
Q: Are the Rohm Semiconductor BU7266 and BU7486 series compatible with LPV358IDG4?
A: The BU7266F-E2, BU7266SF-E2, and BU7486F-E2 are alternative-manufacturer options with different electrical characteristics. BU7266 series exhibits extremely low slew rate (0.0024V/µs) and gain bandwidth product (4 kHz), suitable only for ultra-low-frequency applications. BU7486F-E2 provides higher performance (10V/µs slew rate, 10 MHz bandwidth) but requires minimum 3V supply. These are not direct replacements and require application-specific evaluation.
Q: What is the operating temperature limitation when substituting with MAX4471ESA+?
A: The MAX4471ESA+ operates across -40°C to 85°C, compared to the LPV358IDG4 range of -40°C to 125°C. If the original design requires operation above 85°C, the MAX4471ESA+ is not suitable. The LPV358M/NOPB or LMV358M/NOPB maintain the full -40°C to 125°C range (LMV358 extends to 125°C; LPV358 is limited to 85°C).
Q: Can I use MAX4471ESA+ in a 5V-only supply application?
A: Yes. The MAX4471ESA+ operates across 1.8V to 5.5V supply range, which includes 5V operation. However, verify that the application does not require the higher output current per channel provided by LPV358IDG4 (72 mA vs. 36 mA for MAX4471). The MAX4471 is optimized for ultra-low power consumption (0.75µA) rather than high output drive capability.
Q: What packaging formats are available for the LPV358 series?
A: LPV358M/NOPB is supplied in Tube format. LPV358MX/NOPB is supplied in Tape & Reel format. Both use 8-SOIC package with 0.154" (3.90mm) width. Tape & Reel format is standard for automated assembly lines, while Tube format is used for manual assembly or lower-volume applications.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed (LPV358M/NOPB, LPV358MX/NOPB, LMV358M/NOPB, LMV358MX/NOPB, MAX4471ESA+, MAX4471ESA+T, BU7266F-E2, BU7266SF-E2, BU7486F-E2, LMR932F-GE2) are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity rating, matching the original LPV358IDG4 compliance profile.
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