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LM258AD Equivalent & Substitute Parts
Part Overview
The LM258AD is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This part is classified as obsolete, though 5,300 units remain in stock as new original inventory. The LM258AD is qualified to AEC-Q100 automotive standards and operates across a temperature range of -40°C to 105°C with a supply voltage span of 3V to 30V.
Due to its obsolete product status, identifying equivalent and substitute parts is necessary for ongoing design support, production continuity, and long-term component availability. Substitute parts must maintain functional compatibility while meeting the same electrical performance requirements and package specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Slew Rate | 0.6 | V/µs |
| Gain Bandwidth Product | 700 | kHz |
| Current - Input Bias | 20 | nA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (per Channel) | 700 | µA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 3 | V |
| Voltage - Supply Span (Max) | 30 | V |
| Operating Temperature Range | -40 to 105 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the LM258AD are grouped based on strict adherence to the following critical parameters:
Primary Substitution Criteria:
- Amplifier Type: General Purpose (matching the LM258AD classification)
- Number of Circuits: 2 (dual-channel configuration)
- Package / Case: 8-SOIC surface mount form factor
- Mounting Type: Surface Mount
- Operating Temperature Range: Minimum -40°C to maximum 105°C or higher
- Voltage Supply Span: Minimum 3V to maximum 30V or higher
Secondary Compatibility Parameters:
- Slew Rate: 0.6 V/µs or greater
- Gain Bandwidth Product: 700 kHz or greater
- Current - Input Bias: 20 nA or lower
- Voltage - Input Offset: 1 mV or lower
- Current - Output / Channel: 40 mA or greater
- Current - Supply: 700 µA per channel or lower
Parts meeting all primary criteria and maintaining or exceeding secondary parameters are classified as direct substitutes. Parts with enhanced specifications (higher slew rate, greater bandwidth, lower input bias current) are suitable for drop-in replacement with improved performance characteristics. Parts with different amplifier types (such as J-FET) are listed as alternative solutions for specialized applications requiring different input impedance characteristics.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA) | Input Offset (mV) | Supply Current (µA) | Output Current (mA) | Temp Range (°C) | Supply Span (V) | Package | AEC-Q100 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LM258AD | STMicroelectronics | Obsolete | General Purpose | 0.6 | 0.7 | 20 | 1 | 700 | 40 | -40 to 105 | 3–30 | 8-SOIC | Yes |
| LM258ADT | STMicroelectronics | Active | General Purpose | 0.6 | 1.1 | 20 | 1 | 700 | 40 | -40 to 105 | 3–30 | 8-SOIC | Yes |
| ADTL082ARZ | Analog Devices Inc. | Active | J-FET | 20 | 5 | 0.002 | 1.5 | 1200 | 27 | -40 to 125 | 8–36 | 8-SOIC | No |
| ADTL082ARZ-REEL | Analog Devices Inc. | Active | J-FET | 20 | 5 | 0.002 | 1.5 | 1200 | 27 | -40 to 125 | 8–36 | 8-SOIC | No |
| ADTL082ARZ-REEL7 | Analog Devices Inc. | Active | J-FET | 20 | 5 | 0.002 | 1.5 | 1200 | 27 | -40 to 125 | 8–36 | 8-SOIC | No |
| AP4310AUMTR-AG1 | Diodes Incorporated | Active | General Purpose | 0.5 | 1 | 20 | 0.5 | 150 | 40 | -40 to 105 | 3–36 | 8-SOIC | No |
| BA3472F-E2 | Rohm Semiconductor | Active | General Purpose | 10 | 4 | 100 | 1.5 | 4000 | 30 | -40 to 85 | 3–36 | 8-SOIC | No |
| BA4558RFJ-GE2 | Rohm Semiconductor | Active | General Purpose | 1 | 2 | 60 | 0.5 | 3000 | — | -40 to 105 | 8–30 | 8-SOIC | No |
| BA4560FJ-GE2 | Rohm Semiconductor | Not For New Designs | General Purpose | 4 | 10 | 50 | 0.5 | 4000 | 25 | -40 to 85 | 8–30 | 8-SOIC | No |
| BA4560RFJ-GE2 | Rohm Semiconductor | Active | General Purpose | 4 | 4 | 50 | 0.5 | 3000 | — | -40 to 105 | 8–30 | 8-SOIC | No |
| BA4560YF-MGE2 | Rohm Semiconductor | Active | General Purpose | 4 | 4 | 50 | 0.5 | 3000 | — | -40 to 105 | 8–30 | 8-SOIC | Yes |
Engineering Selection Recommendations
Primary Recommendation: LM258ADT
The LM258ADT is the direct successor to the LM258AD, manufactured by the same supplier (STMicroelectronics). This part maintains identical electrical specifications with the exception of an enhanced Gain Bandwidth Product (1.1 MHz versus 0.7 MHz), providing improved frequency response without compromising any other parameters. The LM258ADT carries active product status with significantly higher inventory availability (60,400 units) and maintains full AEC-Q100 automotive qualification. This part is suitable for direct drop-in replacement in all applications currently using the LM258AD.
Secondary Recommendation: BA4560YF-MGE2
The BA4560YF-MGE2 from Rohm Semiconductor is an active general-purpose dual operational amplifier qualified to AEC-Q100 automotive standards. This part maintains the required operating temperature range (-40°C to 105°C) and operates within the specified supply voltage span (8V to 30V). The BA4560YF-MGE2 offers enhanced performance characteristics including higher slew rate (4 V/µs) and greater gain bandwidth product (4 MHz). However, the minimum supply voltage is 8V, which exceeds the LM258AD minimum of 3V. This part is suitable for applications where the supply voltage remains above 8V.
Alternative Consideration: AP4310AUMTR-AG1
The AP4310AUMTR-AG1 from Diodes Incorporated is a general-purpose dual operational amplifier with active product status. This part maintains the 3V minimum supply voltage requirement and operates across the full -40°C to 105°C temperature range. The AP4310AUMTR-AG1 features lower supply current consumption (150 µA per channel versus 700 µA) and improved input offset voltage (0.5 mV versus 1 mV). However, this part does not carry AEC-Q100 automotive qualification. This part is suitable for non-automotive applications or where reduced power consumption is a design priority.
J-FET Alternative: ADTL082ARZ Series
The ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7 from Analog Devices Inc. represent a different amplifier topology (J-FET input stage) with significantly enhanced performance characteristics. These parts offer substantially lower input bias current (2 pA versus 20 nA), higher slew rate (20 V/µs), and greater gain bandwidth product (5 MHz). The operating temperature range extends to 125°C, and the supply voltage span extends to 36V maximum. However, these parts do not carry AEC-Q100 qualification and require a minimum supply voltage of 8V. These parts are suitable for applications requiring ultra-low input bias current or higher frequency operation where automotive qualification is not required.
Frequently Asked Questions (FAQ)
Q: Can the LM258ADT be used as a direct replacement for the LM258AD?
A: Yes. The LM258ADT is manufactured by the same supplier and maintains identical electrical specifications with the exception of enhanced gain bandwidth product. Both parts are qualified to AEC-Q100 automotive standards, operate across the same temperature range (-40°C to 105°C), and support the same supply voltage span (3V to 30V). The LM258ADT is suitable for direct drop-in replacement in all applications.
Q: What is the primary difference between the LM258AD and the ADTL082ARZ series?
A: The LM258AD uses a bipolar input stage, while the ADTL082ARZ series uses a J-FET input stage. This results in significantly different input characteristics: the ADTL082ARZ series exhibits input bias current of 2 pA compared to 20 nA for the LM258AD. The ADTL082ARZ series also offers higher slew rate (20 V/µs versus 0.6 V/µs) and greater gain bandwidth product (5 MHz versus 0.7 MHz). The ADTL082ARZ series does not carry AEC-Q100 automotive qualification and requires a minimum supply voltage of 8V.
Q: Are all substitute parts available in the same 8-SOIC package?
A: Yes. All substitute parts listed are available in 8-SOIC surface mount packages with 0.154" (3.90mm) width, with the exception of BA3472F-E2 and BA4560YF-MGE2, which use 8-SOIC packages with 0.173" (4.40mm) width. The 0.173" width variant is mechanically compatible with standard 0.154" footprints in most PCB designs, though verification of specific board layout requirements is necessary.
Q: Which substitute parts maintain AEC-Q100 automotive qualification?
A: Only the LM258ADT and BA4560YF-MGE2 carry AEC-Q100 automotive qualification. The LM258ADT is the recommended choice for automotive applications requiring direct replacement of the obsolete LM258AD. The BA4560YF-MGE2 is suitable for automotive applications where enhanced performance characteristics (higher slew rate and gain bandwidth product) are beneficial.
Q: What is the minimum supply voltage requirement for each substitute part?
A: The LM258ADT and AP4310AUMTR-AG1 maintain the 3V minimum supply voltage of the LM258AD. The BA4558RFJ-GE2, BA4560FJ-GE2, BA4560RFJ-GE2, and BA4560YF-MGE2 require a minimum supply voltage of 8V. The ADTL082ARZ series requires a minimum supply voltage of 8V. Applications operating at supply voltages below 8V must use either the LM258ADT or AP4310AUMTR-AG1.
Q: Can the BA4560YF-MGE2 be used in applications requiring supply voltages below 8V?
A: No. The BA4560YF-MGE2 specifies a minimum supply voltage of 8V. Applications requiring operation at supply voltages below 8V must use the LM258ADT or AP4310AUMTR-AG1.
Q: What are the inventory availability differences between the LM258AD and its substitutes?
A: The LM258AD has 5,300 units in stock as new original inventory but is classified as obsolete. The LM258ADT has 60,400 units available, providing significantly greater long-term availability. The ADTL082ARZ series offers 13,125 to 22,215 units depending on packaging variant. The AP4310AUMTR-AG1 has 1,065 units available. The Rohm Semiconductor BA series parts range from 2,010 to 4,251 units depending on specific variant.
Q: Is the AP4310AUMTR-AG1 suitable for automotive applications?
A: The AP4310AUMTR-AG1 does not carry AEC-Q100 automotive qualification. This part is suitable for industrial and consumer applications but should not be used in automotive designs requiring AEC-Q100 compliance. For automotive applications, use the LM258ADT or BA4560YF-MGE2.
Q: What is the significance of the different packaging variants for the ADTL082ARZ?
A: The ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7 are electrically identical. The packaging variants differ in tape and reel configuration: ADTL082ARZ is supplied in tube packaging, while ADTL082ARZ-REEL and ADTL082ARZ-REEL7 are supplied in cut tape and digi-reel formats. Selection depends on manufacturing process requirements and component handling equipment compatibility.
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