AP4310AMTR-AG1 Equivalent & Substitute Parts

Part Overview

The AP4310AMTR-AG1 is a general purpose operational amplifier manufactured by Diodes Incorporated, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This linear amplifier is designed for general-purpose signal conditioning and amplification applications requiring moderate bandwidth and low power consumption. The part is currently in active production status with 1390 units in stock.

Substitute parts become necessary when the AP4310AMTR-AG1 reaches end-of-life status, when alternative packaging formats are required for manufacturing compatibility, or when design requirements necessitate different electrical performance characteristics such as higher slew rate, lower input bias current, or extended temperature range operation.

Substiute Parts

AP4310AMTR-AG1

Diodes IncorporatedIn Stock: 1464AP4310AMTR-AG1 Datasheet

Current PartRFQ

LM258ADR

Texas InstrumentsIn Stock: 27613LM258ADR Datasheet

MFR RecommendedRFQ

LM258DG4

Texas InstrumentsIn Stock: 1476LM258DG4 Datasheet

MFR RecommendedRFQ

LM258DRG3

Texas InstrumentsIn Stock: 30302LM258DRG3 Datasheet

MFR RecommendedRFQ

OPA2137U

Texas InstrumentsIn Stock: 1673OPA2137U Datasheet

MFR RecommendedRFQ

TL062BCD

Texas InstrumentsIn Stock: 2813TL062BCD Datasheet

MFR RecommendedRFQ

TL103WID

Texas InstrumentsIn Stock: 3334TL103WID Datasheet

MFR RecommendedRFQ

TLE2061CD

Texas InstrumentsIn Stock: 2281TLE2061CD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AP4310AMTR-AG1 is determined by the following critical parameters:

Primary Substitution Criteria:

• Amplifier Type (General Purpose vs. J-FET)
• Number of Circuits (must be 2 for direct substitution)
• Package / Case (8-SOIC form factor required for PCB compatibility)
• Mounting Type (Surface Mount)
• Voltage Supply Span compatibility (minimum 3V, maximum 36V or higher)
• Operating Temperature range (must encompass application requirements)

Secondary Compatibility Parameters:

• Slew Rate (0.5 V/µs baseline; higher values acceptable for faster applications)
• Gain Bandwidth Product (1 MHz baseline; higher values acceptable)
• Current - Input Bias (20 nA baseline; lower values acceptable)
• Voltage - Input Offset (500 µV baseline; lower values acceptable)
• Current - Supply (150 µA baseline; higher values acceptable within power budget)
• Current - Output / Channel (40 mA baseline; equal or higher values acceptable)

Substitutes are grouped into two categories:

Category A: General Purpose Amplifiers (Direct Functional Equivalents)

• LM258ADR, LM258DG4, LM258DRG3, TL103WID
• These parts maintain the general purpose amplifier classification and dual-channel configuration
• All feature 8-SOIC packaging and surface mount compatibility
• Voltage supply spans accommodate the 3V to 36V range of the AP4310AMTR-AG1

Category B: J-FET Amplifiers (Enhanced Performance Alternatives)

• OPA2137U, TL062BCD, TLE2061CD
• These parts offer superior input bias current performance and higher slew rates
• TLE2061CD is a single-circuit device and requires circuit redesign for dual-channel applications
• J-FET topology provides lower input bias current (5 pA to 30 pA vs. 20 nA) and higher slew rates (3.4 to 3.5 V/µs vs. 0.5 V/µs)

Parameter Comparison

Engineering Selection Recommendations

For Direct Functional Replacement (General Purpose Amplifier Applications):

LM258ADR is the primary recommended substitute. This part is currently in active production status with 27,600 units in stock, ensuring long-term availability. It maintains the dual-channel general purpose amplifier configuration in 8-SOIC packaging. The LM258ADR operates across the 3V to 32V supply range, which encompasses the AP4310AMTR-AG1 operating window. The operating temperature range of -25°C to 85°C is narrower than the AP4310AMTR-AG1 (-40°C to 105°C), requiring verification for applications requiring extended temperature operation. The LM258ADR features lower input bias current (15 nA) and is ROHS3 compliant with MSL 1 rating, providing superior moisture handling characteristics.

LM258DRG3 is a secondary general purpose substitute with 30,200 units in stock and Last Time Buy status. This part provides identical electrical performance to the LM258ADR with the same supply voltage range and operating temperature limitations. The Last Time Buy status indicates this part will be discontinued; procurement should prioritize the LM258ADR for new designs.

TL103WID is an alternative general purpose substitute with extended temperature range (-40°C to 105°C) matching the AP4310AMTR-AG1. This part maintains compatibility across the full operating temperature specification. However, TL103WID carries Last Time Buy status with 3,300 units in stock, indicating limited future availability.

For Enhanced Performance Applications (J-FET Topology):

OPA2137U is recommended for applications requiring superior input bias current performance (5 pA vs. 20 nA) and higher slew rate (3.5 V/µs vs. 0.5 V/µs). This J-FET amplifier maintains dual-channel configuration and 8-SOIC packaging. The OPA2137U operates across 4.5V to 36V supply range and -40°C to 85°C temperature range. The higher supply voltage minimum (4.5V vs. 3V) requires verification for low-voltage applications. OPA2137U carries Last Time Buy status with 1,625 units in stock.

TL062BCD provides J-FET performance with 3.5 V/µs slew rate and 1 MHz gain bandwidth product. However, the minimum supply voltage requirement of 10V and operating temperature range of 0°C to 70°C significantly restrict application scope compared to the AP4310AMTR-AG1. This part is suitable only for applications with supply voltages above 10V and operating temperatures between 0°C and 70°C.

TLE2061CD is a single-circuit J-FET amplifier with superior performance characteristics (3.4 V/µs slew rate, 2 MHz gain bandwidth product, 4 pA input bias current). This part requires circuit redesign to accommodate single-channel operation and is not suitable for direct substitution in dual-channel applications. The 7V minimum supply voltage and 0°C to 70°C operating temperature range further restrict applicability.

For New Design Considerations:

All substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The LM258ADR is the only substitute currently in active production status, making it the preferred choice for designs requiring long-term component availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the LM258ADR directly replace the AP4310AMTR-AG1 in all applications?

A: The LM258ADR is functionally compatible for applications operating within -25°C to 85°C temperature range and 3V to 32V supply voltage. Applications requiring operation below -25°C or above 85°C, or supply voltages above 32V, require alternative substitutes such as TL103WID or OPA2137U. Pin-to-pin compatibility is maintained across all recommended general purpose substitutes in 8-SOIC packaging.

Q: What is the difference between general purpose and J-FET amplifier types?

A: General purpose amplifiers (AP4310AMTR-AG1, LM258 series, TL103WID) use bipolar input stages and are suitable for standard signal conditioning applications. J-FET amplifiers (OPA2137U, TL062BCD, TLE2061CD) use field-effect transistor input stages, providing significantly lower input bias current (picoamperes vs. nanoamperes) and higher slew rates. J-FET devices are preferred for high-impedance signal sources and applications requiring fast transient response.

Q: Why do some substitutes have Last Time Buy status?

A: Last Time Buy status indicates the manufacturer has announced end-of-life for the part. Existing inventory will be sold until depletion, after which the part becomes unavailable. For new designs, parts with Active status (LM258ADR) should be prioritized to ensure long-term supply chain continuity.

Q: Is the 8-SOIC package compatible across all listed substitutes?

A: Yes. All recommended substitutes use the 8-SOIC (0.154", 3.90mm Width) package, ensuring mechanical and electrical pin compatibility. Surface mount assembly processes and PCB layouts designed for the AP4310AMTR-AG1 are directly compatible with all listed substitutes.

Q: What is the significance of Moisture Sensitivity Level (MSL) ratings?

A: MSL 3 (168 Hours) indicates the component can be exposed to ambient conditions for a maximum of 168 hours before soldering. MSL 1 (Unlimited) indicates no time restriction. The AP4310AMTR-AG1 has MSL 3 rating, requiring controlled storage and handling. Most substitutes (LM258 series, TL103WID, TL062BCD, TLE2061CD) have MSL 1 rating, providing superior moisture tolerance and simplified inventory management.

Q: Can TLE2061CD be used as a substitute despite being a single-circuit device?

A: TLE2061CD is not suitable for direct substitution in applications requiring dual-channel operation. This part contains only one amplifier circuit, whereas the AP4310AMTR-AG1 contains two. Circuit redesign would be required, potentially using two TLE2061CD devices to achieve dual-channel functionality. This approach increases component count, PCB area, and cost.

Q: What supply voltage considerations apply when selecting a substitute?

A: The AP4310AMTR-AG1 operates across 3V to 36V. LM258 series substitutes operate across 3V to 32V, requiring verification for applications using supply voltages between 32V and 36V. OPA2137U operates across 4.5V to 36V, requiring verification for applications using supply voltages below 4.5V. TL062BCD requires minimum 10V supply. TLE2061CD requires minimum 7V supply. Verify substitute supply voltage range compatibility before implementation.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitutes (LM258ADR, LM258DG4, LM258DRG3, TL103WID, OPA2137U, TL062BCD, TLE2061CD) are ROHS3 compliant and REACH unaffected, meeting current environmental regulations for electronic components.