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LM258AYDT Equivalent & Substitute Parts
Part Overview
The LM258AYDT 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 component is classified as an active product with automotive-grade qualification (AEC-Q100) and operates across a wide supply voltage range of 3 V to 30 V. The LM258AYDT is designed for applications requiring low-cost, general-purpose amplification with moderate bandwidth and slew rate characteristics. Substitute parts are identified when equivalent electrical performance parameters and mechanical compatibility are maintained within the specified operating conditions.
Substiute Parts
Key Parameters
| Parameter | Value | 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 | -40 to 105 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the LM258AYDT are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is organized into two categories:
Category 1: General-Purpose Amplifiers with Equivalent Performance
Substitute parts in this category maintain the general-purpose amplifier classification with dual-channel configuration in 8-SOIC packaging. These parts are selected when the following parameters align with the LM258AYDT specifications:
- Amplifier Type: General Purpose
- Number of Circuits: 2
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Current - Input Bias: 20 nA
- Current - Output / Channel: 40 mA
- Voltage - Supply Span (Min): 3 V or lower
- Voltage - Supply Span (Max): 30 V or higher
- Operating Temperature Range: -40°C minimum and 105°C or higher maximum
Category 2: J-FET Amplifiers with Enhanced Performance
Substitute parts in this category feature J-FET input stages, which provide superior input bias current characteristics (2 pA versus 20 nA) and higher bandwidth performance. These parts are mechanically compatible but represent a performance upgrade:
- Amplifier Type: J-FET
- Number of Circuits: 2
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Voltage - Supply Span (Min): 8 V or lower
- Voltage - Supply Span (Max): 36 V or higher
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | 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 | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LM258AYDT | STMicroelectronics | General Purpose | 0.6 | 1.1 | 20 | 1 | 700 | 40 | 3 | 30 | -40 to 105 | 8-SOIC | Tape & Reel |
| ADTL082ARZ | Analog Devices Inc. | J-FET | 20 | 5 | 0.002 | 1.5 | 1200 | 27 | 8 | 36 | -40 to 125 | 8-SOIC | Tube |
| ADTL082ARZ-REEL | Analog Devices Inc. | J-FET | 20 | 5 | 0.002 | 1.5 | 1200 | 27 | 8 | 36 | -40 to 125 | 8-SOIC | Cut Tape & Digi-Reel |
| ADTL082ARZ-REEL7 | Analog Devices Inc. | J-FET | 20 | 5 | 0.002 | 1.5 | 1200 | 27 | 8 | 36 | -40 to 125 | 8-SOIC | Cut Tape & Digi-Reel |
| AP4310AMTR-AG1 | Diodes Incorporated | General Purpose | 0.5 | 1 | 20 | 0.5 | 150 | 40 | 3 | 36 | -40 to 105 | 8-SOIC | Tape & Reel |
| AP4310AMTR-G1 | Diodes Incorporated | General Purpose | 0.5 | 1 | 20 | 0.5 | 150 | 40 | 3 | 36 | -40 to 105 | 8-SOIC | Cut Tape & Digi-Reel |
| AP4310AUMTR-AG1 | Diodes Incorporated | General Purpose | 0.5 | 1 | 20 | 0.5 | 150 | 40 | 3 | 36 | -40 to 105 | 8-SOIC | Tape & Reel |
| AS358AMTR-E1 | Diodes Incorporated | General Purpose | — | — | 20 | 2 | 700 | 40 | 3 | 36 | -40 to 85 | 8-SOIC | Tape & Reel |
| AS358AMTR-G1 | Diodes Incorporated | General Purpose | — | — | 20 | 2 | 700 | 40 | 3 | 36 | -40 to 85 | 8-SOIC | Tape & Reel |
| BA3472F-E2 | Rohm Semiconductor | General Purpose | 10 | 4 | 100 | 1.5 | 4000 | 30 | 3 | 36 | -40 to 85 | 8-SOIC | Cut Tape & Digi-Reel |
| BA4558RFJ-GE2 | Rohm Semiconductor | General Purpose | 1 | 2 | 60 | 0.5 | 3000 | 30 | 8 | 30 | -40 to 105 | 8-SOIC | Cut Tape & Digi-Reel |
Engineering Selection Recommendations
Direct Substitutes (General-Purpose Category)
The AP4310AMTR-AG1, AP4310AMTR-G1, and AP4310AUMTR-AG1 from Diodes Incorporated are direct substitutes for the LM258AYDT. These parts maintain general-purpose amplifier classification with identical input bias current (20 nA), output current capability (40 mA), and compatible supply voltage ranges (3 V to 36 V). The primary differences are lower supply current consumption (150 µA versus 700 µA) and slightly reduced slew rate (0.5 V/µs versus 0.6 V/µs), both of which represent operational improvements. All three variants are ROHS3 compliant and surface-mount compatible in 8-SOIC packaging. Selection between these three depends on packaging preference: AP4310AMTR-AG1 and AP4310AUMTR-AG1 are supplied in Tape & Reel format, while AP4310AMTR-G1 is supplied in Cut Tape & Digi-Reel format.
The AS358AMTR-E1 and AS358AMTR-G1 from Diodes Incorporated are functionally equivalent substitutes with matching input bias current (20 nA), supply current (700 µA), and output current (40 mA). These parts operate across the same 3 V to 36 V supply range. The operating temperature maximum is reduced to 85°C compared to the LM258AYDT's 105°C specification. Both variants are ROHS3 compliant and surface-mount compatible in 8-SOIC packaging. Selection between these two depends on packaging preference: AS358AMTR-E1 is supplied in Tape & Reel format with MSL 1, while AS358AMTR-G1 is supplied in Tape & Reel format with MSL 3.
Enhanced Performance Alternatives (J-FET Category)
The ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7 from Analog Devices Inc. represent performance-enhanced alternatives with J-FET input stages. These parts provide superior input bias current (2 pA versus 20 nA), higher slew rate (20 V/µs versus 0.6 V/µs), and greater gain-bandwidth product (5 MHz versus 1.1 MHz). The minimum supply voltage requirement is 8 V, which restricts use in applications requiring 3 V operation. All three variants are ROHS3 compliant and surface-mount compatible in 8-SOIC packaging. The ADTL082ARZ is supplied in Tube packaging, while ADTL082ARZ-REEL and ADTL082ARZ-REEL7 are supplied in Cut Tape & Digi-Reel format.
Alternative General-Purpose Options
The BA3472F-E2 from Rohm Semiconductor is a general-purpose substitute with enhanced bandwidth (4 MHz) and slew rate (10 V/µs) characteristics. This part operates across 3 V to 36 V supply range and maintains 8-SOIC packaging compatibility. The operating temperature maximum is 85°C. Higher supply current consumption (4 mA) and input bias current (100 nA) are present compared to the LM258AYDT.
The BA4558RFJ-GE2 from Rohm Semiconductor is a general-purpose substitute with moderate performance characteristics. This part operates across 8 V to 30 V supply range, which overlaps with the LM258AYDT's 3 V to 30 V range at the upper end. The operating temperature range extends to 105°C, matching the LM258AYDT specification. This part is supplied in Cut Tape & Digi-Reel format.
All substitute parts listed maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification consistent with the LM258AYDT.
Frequently Asked Questions (FAQ)
Q: Can the ADTL082ARZ series be used as a direct replacement for the LM258AYDT in all applications?
A: The ADTL082ARZ series provides superior electrical performance with J-FET input stages, but the minimum supply voltage requirement of 8 V restricts use in applications operating below 8 V. The LM258AYDT operates from 3 V minimum. If your application requires 3 V to 8 V operation, the ADTL082ARZ series is not suitable. For applications operating at 8 V or higher, the ADTL082ARZ series is mechanically and electrically compatible.
Q: What is the primary difference between AP4310AMTR-AG1 and AP4310AMTR-G1?
A: Both parts are electrically identical general-purpose dual-channel operational amplifiers in 8-SOIC packaging. The difference is packaging format: AP4310AMTR-AG1 is supplied in Tape & Reel format, while AP4310AMTR-G1 is supplied in Cut Tape & Digi-Reel format. Selection depends on your procurement and assembly process requirements.
Q: Are all substitute parts available in the same 8-SOIC package as the LM258AYDT?
A: All substitute parts listed are surface-mount devices in 8-SOIC packaging with 0.154" (3.90mm) width, matching the LM258AYDT mechanical footprint. Package compatibility is confirmed across all substitutes.
Q: What is the significance of the MSL (Moisture Sensitivity Level) rating difference between substitute parts?
A: MSL 1 (Unlimited) indicates the component has unlimited shelf life without moisture control. MSL 3 (168 Hours) indicates the component must be used within 168 hours of opening the moisture barrier bag. The LM258AYDT has MSL 1 rating. Substitute parts with MSL 3 (such as AP4310AMTR-G1 and AS358AMTR-G1) require moisture control during storage and handling but are otherwise functionally equivalent.
Q: Can I substitute the LM258AYDT with the BA3472F-E2 if my application requires low supply current?
A: No. The BA3472F-E2 has supply current consumption of 4 mA (x2 channels), compared to the LM258AYDT's 700 µA (x2 channels). This represents approximately 5.7 times higher current consumption. If your application has strict power budget constraints, the BA3472F-E2 is not suitable. The AP4310 series offers lower supply current (150 µA) and is a better choice for power-constrained applications.
Q: What is the operating temperature limitation when using AS358AMTR series as a substitute?
A: The AS358AMTR-E1 and AS358AMTR-G1 have maximum operating temperature of 85°C, compared to the LM258AYDT's 105°C. If your application requires operation above 85°C, the AS358AMTR series is not suitable. The AP4310 series, BA4558RFJ-GE2, and ADTL082ARZ series all support 105°C or higher operation.
Q: Are all substitute parts RoHS3 compliant like the LM258AYDT?
A: Yes. All substitute parts listed in this reference are ROHS3 compliant and REACH unaffected, matching the LM258AYDT compliance status.
Q: Which substitute offers the best performance upgrade for high-speed applications?
A: The ADTL082ARZ series provides the highest performance upgrade with 20 V/µs slew rate and 5 MHz gain-bandwidth product, compared to the LM258AYDT's 0.6 V/µs and 1.1 MHz. However, the 8 V minimum supply voltage requirement must be verified for your application. The BA3472F-E2 offers moderate performance enhancement (10 V/µs slew rate, 4 MHz bandwidth) with 3 V minimum supply voltage compatibility.
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