AP358SL-13 Equivalent & Substitute Parts

Part Overview

The AP358SL-13 is a general purpose operational amplifier manufactured by Diodes Incorporated, configured as a 2-circuit differential output device in an 8-SOP surface mount package. This component is classified as obsolete, which necessitates identification of functionally equivalent active alternatives for new designs and ongoing production requirements. The part operates across a 3V to 32V supply range with a 1 MHz gain bandwidth product and is suitable for general signal conditioning and amplification applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	AP358SL-13
Manufacturer	Diodes Incorporated
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Differential
Gain Bandwidth Product	1 MHz
Current - Input Bias	45 nA
Voltage - Input Offset	2 mV
Current - Supply	1 mA
Current - Output / Channel	40 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	32 V
Operating Temperature	0°C ~ 70°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AP358SL-13 is determined by the following critical parameters:

Electrical Compatibility Criteria:

Number of circuits: 2 (dual amplifier configuration)
Gain bandwidth product: 1 MHz (defines frequency response capability)
Current - Input Bias: 45 nA (input impedance characteristic)
Voltage - Input Offset: 2 mV (DC accuracy specification)
Current - Output / Channel: 40 mA (output drive capability)
Voltage - Supply Span: 3V to 32V (operating voltage range)
Current - Supply: 1 mA (power consumption specification)

Mechanical Compatibility Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width) (physical footprint and pinout)
Mounting Type: Surface Mount (assembly process compatibility)

Compliance Criteria:

RoHS3 Compliant (environmental regulation requirement)
Moisture Sensitivity Level: 1 (Unlimited) (handling and storage requirement)

Substitute parts are grouped based on matching or exceeding these parameters. Parts with active product status are prioritized for new designs. Electrical parameters may vary within acceptable engineering tolerances provided the core functionality remains equivalent.

Parameter Comparison

Parameter	AP358SL-13	LM158WDT	LM258D	LM258DR	LM258DRG4	LM258DT	LM2904M/NOPB	LM2904MX	LM2904WHDT	LM2904YDT	LM358ADR2G
Manufacturer	Diodes Inc.	STMicroelectronics	STMicroelectronics	UMW	Texas Instruments	STMicroelectronics	Texas Instruments	Rohm Semiconductor	STMicroelectronics	STMicroelectronics	onsemi
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Gain Bandwidth Product	1 MHz	1.1 MHz	1.1 MHz	—	700 kHz	1.1 MHz	1 MHz	1 MHz	1.1 MHz	700 kHz	1 MHz
Current - Input Bias	45 nA	20 nA	20 nA	45 nA	20 nA	20 nA	45 nA	20 nA	20 nA	20 nA	45 nA
Voltage - Input Offset	2 mV	2 mV	5 mV	2 mV	3 mV	5 mV	2 mV	3 mV	2 mV	2 mV	2 mV
Current - Supply	1 mA	700 µA	700 µA (x2)	1 mA	500 µA (x2)	700 µA (x2)	1 mA	1 mA	700 µA	700 µA	800 µA (x2)
Current - Output / Channel	40 mA	40 mA	40 mA	40 mA	40 mA	40 mA	40 mA	40 mA	40 mA	30 mA	40 mA
Voltage - Supply Span (Min)	3 V	3 V	3 V	—	3 V	3 V	3 V	3 V	3 V	3 V	3 V
Voltage - Supply Span (Max)	32 V	30 V	30 V	32 V	32 V	30 V	32 V	26 V	30 V	30 V	32 V
Operating Temperature	0°C ~ 70°C	-55°C ~ 125°C	-40°C ~ 105°C	-25°C ~ 85°C	-25°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 85°C	-40°C ~ 70°C	-40°C ~ 150°C	-40°C ~ 125°C	0°C ~ 70°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active	Discontinued at DiGi Electronics	Active	Active	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes for Active Production:

The following parts are recommended as direct substitutes based on active product status and full parameter compatibility:

LM258DT (STMicroelectronics) - Highest inventory availability (125,300 pcs) with active product status. Electrical parameters match the AP358SL-13 within acceptable tolerances. Extended operating temperature range (-40°C to 105°C) provides margin beyond the original specification. Suitable for new designs and production continuity.

LM2904WHDT (STMicroelectronics) - Active product status with extended operating temperature range (-40°C to 150°C). Slew rate specification (0.6V/µs) and gain bandwidth product (1.1 MHz) exceed original requirements. Single-ended output configuration differs from differential output of AP358SL-13 but maintains functional equivalence for general purpose amplification.

LM2904M/NOPB (Texas Instruments) - Largest inventory (5,000,200 pcs) with active product status. Electrical specifications match AP358SL-13 exactly. Tube packaging provides standard handling compatibility.

LM358ADR2G (onsemi) - Active product status with matching electrical specifications. Operating temperature range (0°C to 70°C) aligns with original part specification.

Secondary Substitutes (Limited Availability or Discontinued Status):

LM258DR (UMW) - Highest inventory among secondary options (455,100 pcs) with active product status. Electrical parameters match original specification. Suitable for high-volume applications where supply continuity is critical.

LM2904MX (Rohm Semiconductor) - Obsolete status limits suitability for new designs. Inventory available (5,200 pcs) for legacy system support only.

LM258DRG4 (Texas Instruments) - Discontinued at DiGi Electronics. Inventory available (22,700 pcs) but sourcing may be restricted. Gain bandwidth product (700 kHz) is reduced compared to original specification.

LM2904YDT (STMicroelectronics) - Active product status with automotive qualification (AEC-Q100). Current output per channel (30 mA) is reduced compared to original 40 mA specification. Suitable for automotive applications requiring qualified components.

LM158WDT (STMicroelectronics) - Active product status with automotive qualification (AEC-Q100). Extended operating temperature range (-55°C to 125°C). Suitable for automotive and extended temperature applications.

LM258D (STMicroelectronics) - Active product status with extended operating temperature range (-40°C to 105°C). Inventory available (3,175 pcs). Input offset voltage (5 mV) exceeds original specification (2 mV).

All recommended substitutes maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can LM258DT be used as a direct replacement for AP358SL-13 in existing designs?

A: LM258DT is electrically compatible with AP358SL-13 within the specified parameter ranges. Both devices are dual general purpose operational amplifiers in 8-SOIC packages with matching supply voltage ranges (3V to 32V), output current capability (40 mA per channel), and input offset voltage (2 mV). The primary difference is the extended operating temperature range of LM258DT (-40°C to 105°C versus 0°C to 70°C). Pinout compatibility must be verified against the specific application schematic.

Q: What is the difference between differential and single-ended output configurations?

A: The AP358SL-13 specifies differential output type, while most substitute parts list output type as either single-ended or unspecified. In operational amplifier configurations, this designation typically refers to the internal output stage architecture. For general purpose amplification applications, both configurations provide functionally equivalent performance when used in standard feedback configurations. Application-specific requirements should be evaluated based on the intended circuit topology.

Q: Why do some substitute parts have lower current output specifications?

A: LM2904YDT specifies 30 mA output current per channel compared to the 40 mA of AP358SL-13. This reduced specification reflects the device design and is suitable for applications requiring less than 30 mA output drive. Applications requiring the full 40 mA output capability should select alternatives with matching or higher current specifications.

Q: Are automotive-qualified parts suitable for non-automotive applications?

A: Automotive-qualified parts such as LM158WDT and LM2904YDT (both AEC-Q100 qualified) are suitable for non-automotive applications. Automotive qualification indicates additional testing and reliability requirements that exceed standard commercial specifications. These parts can be used in any application where their electrical specifications meet the design requirements.

Q: What is the significance of product status (Active, Obsolete, Discontinued)?

A: Product status indicates the manufacturer's commitment to supply and support. Active status means the part is in current production with ongoing availability. Obsolete status indicates the manufacturer has discontinued production, and supply is limited to existing inventory. Discontinued at DiGi Electronics indicates the distributor has ceased stocking, though the manufacturer may continue production. For new designs, active status parts are recommended to ensure long-term supply continuity.

Q: Can parts with different gain bandwidth products be substituted?

A: Gain bandwidth product defines the frequency response capability of the amplifier. The AP358SL-13 specifies 1 MHz. Substitute parts with equal or higher gain bandwidth product (such as LM258DT at 1.1 MHz) are directly compatible. Parts with lower gain bandwidth product (such as LM258DRG4 at 700 kHz) may be used if the application bandwidth requirements do not exceed the lower specification. Application frequency response analysis is required to confirm compatibility.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in multiple packaging formats: Cut Tape (CT) & Digi-Reel for automated assembly, Tube for manual handling, and Tape & Reel (TR) for high-volume production. The physical package (8-SOIC) remains consistent across all substitutes, ensuring PCB footprint compatibility. Packaging selection depends on production volume and assembly process requirements.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed are RoHS3 compliant, matching the environmental compliance status of the AP358SL-13. This ensures compatibility with regulatory requirements for electronic equipment in regulated markets.

Q: What is Moisture Sensitivity Level (MSL) and why is it important?

A: Moisture Sensitivity Level (MSL) indicates the component's susceptibility to moisture absorption during storage and handling. MSL Level 1 (Unlimited) means the component has unlimited shelf life and does not require special moisture control during storage or assembly. All substitute parts maintain MSL Level 1 status, ensuring compatibility with standard manufacturing processes.

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