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LM358AN Equivalent & Substitute Parts
Part Overview
The LM358AN is a general-purpose operational amplifier featuring two independent circuits in an 8-Mini DIP through-hole package. Manufactured by STMicroelectronics, this device operates across a supply voltage range of 3V to 30V with a slew rate of 0.6V/µs and gain bandwidth product of 1.1 MHz. The LM358AN is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. Substitute parts must maintain functional compatibility while meeting current availability and compliance requirements.
Substiute Parts
Key Parameters
| Parameter | LM358AN | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Slew Rate | 0.6 | V/µs |
| Gain Bandwidth Product | 1.1 | MHz |
| Current - Input Bias | 20 | nA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (x2 Channels) | 700 | µA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 3 | V |
| Voltage - Supply Span (Max) | 30 | V |
| Operating Temperature | 0 to 70 | °C |
| Package / Case | 8-DIP (0.300", 7.62mm) | — |
| Mounting Type | Through Hole | — |
| RoHS Status | ROHS3 Compliant | — |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
Substitute Part Grouping Explanation
Substitute parts for the LM358AN are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:
Critical Matching Parameters:
- Amplifier Type: General Purpose (2-circuit configuration)
- Package / Case: 8-DIP (0.300", 7.62mm) through-hole mounting
- Number of Circuits: 2 independent amplifiers
- Current - Output / Channel: 40 mA minimum
- Voltage - Supply Span: Minimum 3V, maximum 30V or greater
- Mounting Type: Through Hole
Secondary Compatibility Parameters:
- Current - Input Bias: 20 nA or lower (lower values indicate better performance)
- Voltage - Input Offset: 1 mV to 3 mV range
- Slew Rate: 0.3V/µs to 0.6V/µs for standard applications
- Gain Bandwidth Product: 700 kHz to 1.1 MHz for general-purpose operation
Substitute parts are grouped into two categories: direct replacements from the LM358 family (LM358AN/NOPB, LM358AP, LM358P, LM358N/NOPB, LM358PE3) and functional equivalents from alternative manufacturers (AS358AP-E1, AS358P-E1, LM1458N/NOPB) that meet all critical parameters. The CA3240AEZ and LT1208CN8#PBF represent enhanced-performance alternatives with superior slew rates and bandwidth for applications requiring higher-speed operation.
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) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LM358AN | STMicroelectronics | Obsolete | 0.6 | 1.1 | 20 | 1 | 700 | 40 | 3 | 30 | 0 to 70 | 8-DIP |
| AS358AP-E1 | Diodes Incorporated | Active | — | — | 20 | 2 | 700 | 40 | 3 | 36 | -40 to 85 | 8-DIP |
| AS358P-E1 | Diodes Incorporated | Active | — | — | 20 | 2 | 700 | 40 | 3 | 36 | -40 to 85 | 8-DIP |
| CA3240AEZ | Renesas Electronics | Active | 9 | 4.5 | 0.01 | 2 | 8000 | 40 | 4 | 36 | -40 to 85 | 8-DIP |
| LM1458N/NOPB | Texas Instruments | Active | 0.5 | 1 | 200 | 1 | 3000 | — | 36 | 36 | 0 to 70 | 8-DIP |
| LM358AN/NOPB | Texas Instruments | Active | — | 1 | 45 | 2 | 1000 | 40 | 3 | 32 | 0 to 70 | 8-DIP |
| LM358AP | Texas Instruments | Active | 0.3 | 0.7 | 15 | 2 | 500 | 40 | 3 | 30 | 0 to 70 | 8-DIP |
| LM358N/NOPB | Texas Instruments | Active | — | 1 | 45 | 2 | 1000 | 40 | 3 | 32 | 0 to 70 | 8-DIP |
| LM358P | Texas Instruments | Active | 0.3 | 0.7 | 20 | 3 | 500 | 40 | 3 | 30 | 0 to 70 | 8-DIP |
| LM358PE3 | Texas Instruments | Last Time Buy | 0.3 | 0.7 | 20 | 3 | 500 | 40 | 3 | 30 | 0 to 70 | 8-DIP |
| LT1208CN8#PBF | Linear Technology | Active | 400 | 45 | 4000 | 1 | 7000 | 40 | 5 | 30 | 0 to 70 | 8-DIP |
Engineering Selection Recommendations
Direct Replacement (Highest Compatibility):
The LM358AN/NOPB and LM358N/NOPB from Texas Instruments provide the most direct substitution path. Both maintain the LM358 base product designation, operate within the 0°C to 70°C temperature range matching the original specification, and are classified as Active products with full availability. These parts are ROHS3 compliant and carry AEC-Q100 qualification equivalent to the original device. The LM358AN/NOPB specifically matches the original part number designation with NOPB (No Lead Plating) packaging.
LM358 Family Alternatives (Active Status):
The LM358AP and LM358P variants from Texas Instruments are Active products suitable for applications where the original LM358AN is no longer available. Both operate within the specified 3V to 30V supply range and maintain 40 mA output current capability. The LM358P offers the highest inventory availability (53,800 units) among all substitute options. The LM358PE3 is designated Last Time Buy status and should be considered only when other LM358 variants are unavailable.
Cross-Manufacturer Equivalents (Active Status):
The AS358AP-E1 and AS358P-E1 from Diodes Incorporated are Active general-purpose dual operational amplifiers in 8-DIP packages. These parts extend the maximum supply voltage to 36V and operating temperature range to -40°C to 85°C, providing enhanced environmental performance. Input bias current and offset voltage specifications remain compatible with the original LM358AN.
Enhanced Performance Alternative:
The CA3240AEZ from Renesas Electronics is an Active product offering significantly improved performance characteristics: 9V/µs slew rate (15 times faster than LM358AN), 4.5 MHz gain bandwidth product (4 times higher), and 10 pA input bias current (2000 times lower). This device is suitable for applications requiring higher-speed operation while maintaining the 8-DIP package form factor and 40 mA output current specification. The CA3240AEZ operates across -40°C to 85°C and supports supply voltages from 4V to 36V.
High-Speed Alternative:
The LT1208CN8#PBF from Linear Technology is an Active product designed for applications requiring extreme slew rate performance (400V/µs) and high gain bandwidth product (45 MHz). This device is not a direct replacement due to higher supply current requirements (7 mA per channel versus 700 µA) and minimum supply voltage of 5V. Selection of this part is appropriate only when application requirements explicitly demand high-speed amplification beyond standard general-purpose specifications.
Frequently Asked Questions (FAQ)
Q: Can the LM358AN be directly replaced with LM358AN/NOPB?
A: Yes. The LM358AN/NOPB is the active equivalent of the obsolete LM358AN. Both share the same base product number (LM358), operate within identical supply voltage ranges (3V to 30V), and maintain the same 8-DIP through-hole package. The LM358AN/NOPB is classified as Active with full production availability.
Q: What is the difference between LM358AP and LM358P?
A: Both LM358AP and LM358P are Texas Instruments general-purpose dual operational amplifiers in 8-DIP packages with identical electrical specifications: 0.3V/µs slew rate, 700 kHz gain bandwidth product, and 3V to 30V supply range. The primary difference is packaging designation and inventory availability. The LM358P has significantly higher stock (53,800 units) compared to LM358AP (20,100 units).
Q: Can I use the CA3240AEZ as a direct replacement for the LM358AN?
A: The CA3240AEZ is functionally compatible in the 8-DIP package and maintains the 40 mA output current specification. However, it is not a direct replacement. The CA3240AEZ features substantially higher performance: 9V/µs slew rate versus 0.6V/µs, 4.5 MHz bandwidth versus 1.1 MHz, and 10 pA input bias current versus 20 nA. Additionally, the CA3240AEZ requires minimum 4V supply voltage and draws 8 mA per channel versus 700 µA. Use the CA3240AEZ only when application requirements demand enhanced performance characteristics.
Q: Why is the LM1458N/NOPB listed as a substitute if it has different supply voltage specifications?
A: The LM1458N/NOPB is included as a functional equivalent for applications operating at fixed 36V supply voltage. This device maintains the 8-DIP package, dual-circuit configuration, and 40 mA output current capability. The LM1458N/NOPB is not suitable for applications requiring the 3V to 30V variable supply range of the original LM358AN.
Q: What is the significance of the Diodes Incorporated AS358 series having a 36V maximum supply rating versus the LM358AN's 30V maximum?
A: The AS358AP-E1 and AS358P-E1 extend the maximum supply voltage specification to 36V, providing additional design margin for applications operating near the upper supply limit. This enhancement does not affect compatibility with designs operating within the original 3V to 30V range. The extended rating provides flexibility for future design modifications without component substitution.
Q: Is the LT1208CN8#PBF suitable for general-purpose amplifier applications?
A: The LT1208CN8#PBF is designed for high-speed applications requiring slew rates of 400V/µs and gain bandwidth products of 45 MHz. For standard general-purpose amplifier applications, this device introduces unnecessary complexity and higher power consumption (7 mA per channel versus 700 µA for LM358AN). Select the LT1208CN8#PBF only when application specifications explicitly require high-speed amplification performance.
Q: What is the difference between the LM358PE3 and other LM358 variants?
A: The LM358PE3 is designated Last Time Buy status, indicating that Texas Instruments will discontinue production. While currently Active, this part should not be selected for new designs. The LM358P or LM358AP are preferred alternatives with indefinite Active status and higher availability.
Q: Can I substitute the LM358AN in automotive applications?
A: The original LM358AN carries Automotive grade classification and AEC-Q100 qualification. When substituting with alternative parts, verify that the replacement component meets equivalent automotive qualification requirements. The LM358AN/NOPB, LM358AP, and LM358P from Texas Instruments maintain automotive-grade specifications. The Diodes Incorporated AS358 series and Renesas CA3240AEZ do not carry explicit automotive qualification in the provided specifications.
Q: What is the impact of different input bias current specifications on substitution?
A: Input bias current affects circuit performance in high-impedance applications. The LM358AN specifies 20 nA input bias current. Substitute parts range from 15 nA (LM358AP) to 200 nA (LM1458N/NOPB) to 4 µA (LT1208CN8#PBF). For standard general-purpose applications with impedances below 100 kΩ, these variations have negligible impact. For high-impedance circuits (above 1 MΩ), select substitutes with input bias current specifications closest to the original 20 nA value.
Q: Are all substitute parts RoHS3 compliant?
A: All substitute parts listed in this reference are RoHS3 compliant. The LM358AN, all LM358 variants, AS358 series, CA3240AEZ, LM1458N/NOPB, and LT1208CN8#PBF meet RoHS3 compliance requirements. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts except LM358AP and LM358PE3, which are listed as Not Applicable.
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