AP358SG-13 Equivalent & Substitute Parts

Part Overview

The AP358SG-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, indicating discontinuation from the manufacturer. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this amplifier topology.

Key Parameters

Parameter	Value
Manufacturer Part Number	AP358SG-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
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AP358SG-13 is determined by the following critical parameters that must align with the original design specifications:

Primary Substitution Criteria:

Number of Circuits: 2 (dual amplifier configuration)
Amplifier Type: General Purpose
Mounting Type: Surface Mount
Package Type: 8-SOP or 8-SOIC (physically compatible)
Voltage Supply Range: Minimum 3 V, Maximum ≥ 32 V
Current Output per Channel: ≥ 40 mA
Input Bias Current: ≤ 45 nA
Input Offset Voltage: ≤ 2 mV
Gain Bandwidth Product: ≥ 1 MHz
RoHS3 Compliance: Required
MSL Rating: 1 (Unlimited)

Secondary Considerations:

Operating Temperature Range: 0°C ~ 70°C minimum coverage
Product Status: Active or Last Time Buy preferred over obsolete
Supply Current: ≤ 1 mA for equivalent power consumption

Substitute parts are grouped into two categories based on output type compatibility and performance characteristics:

Group 1 - Standard Output Configuration: BA10358F-E1, BA10358F-E2, LM258DRG3, LM358ADR, LM358ADR2G, LM358ADRG4, LM358ADT, LM358AM/NOPB, LM358AMX/NOPB

Group 2 - Enhanced Performance (Push-Pull Output): BA3404F-E2

Parameter Comparison

Parameter	AP358SG-13	BA10358F-E1	BA10358F-E2	BA3404F-E2	LM258DRG3	LM358ADR	LM358ADR2G	LM358ADRG4	LM358ADT	LM358AM/NOPB	LM358AMX/NOPB
Manufacturer	Diodes Inc.	Rohm Semi.	Rohm Semi.	Rohm Semi.	Texas Inst.	UMW	onsemi	Texas Inst.	STMicro.	Texas Inst.	Texas Inst.
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Output Type	Differential	—	—	Push-Pull	—	—	—	—	—	—	—
Gain Bandwidth Product	1 MHz	500 kHz	500 kHz	1.2 MHz	700 kHz	—	1 MHz	700 kHz	1.1 MHz	1 MHz	1 MHz
Slew Rate	—	0.2 V/µs	0.2 V/µs	1.2 V/µs	0.3 V/µs	—	—	0.3 V/µs	0.6 V/µs	—	—
Current - Input Bias	45 nA	45 nA	45 nA	70 nA	20 nA	45 nA	45 nA	15 nA	20 nA	45 nA	45 nA
Voltage - Input Offset	2 mV	2 mV	2 mV	2 mV	3 mV	2 mV	2 mV	2 mV	1 mV	2 mV	2 mV
Current - Supply	1 mA	700 µA	700 µA	2 mA	500 µA (x2)	1 mA	800 µA (x2)	500 µA (x2)	700 µA (x2)	1 mA	1 mA
Current - Output / Channel	40 mA	20 mA	20 mA	30 mA	40 mA	40 mA	40 mA	40 mA	40 mA	40 mA	40 mA
Voltage - Supply Span (Min)	3 V	3 V	3 V	4 V	3 V	—	3 V	3 V	3 V	3 V	3 V
Voltage - Supply Span (Max)	32 V	32 V	32 V	36 V	32 V	36 V	32 V	30 V	30 V	32 V	32 V
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)
Product Status	Obsolete	Active	Active	Active	Last Time Buy	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
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

LM358ADT (STMicroelectronics) and LM358AM/NOPB (Texas Instruments) are the preferred substitutes for the AP358SG-13. Both parts maintain identical package dimensions (8-SOIC 0.154" width), matching supply voltage range (3 V to 32 V), and output current capability (40 mA per channel). Both are ROHS3 compliant with MSL 1 rating. LM358ADT offers active product status with automotive qualification (AEC-Q100), while LM358AM/NOPB maintains active status with standard industrial qualification. Operating temperature coverage extends to 85°C, exceeding the original 70°C specification.

Secondary Substitutes (Functional Equivalence with Trade-offs):

LM358ADR2G (onsemi) provides functional equivalence with active product status and identical package dimensions. This part maintains the 1 MHz gain bandwidth product and 40 mA output current specification. Operating temperature range matches the original specification (0°C ~ 70°C).

LM258DRG3 (Texas Instruments) offers Last Time Buy status with compatible electrical specifications. This part features improved input bias current (20 nA versus 45 nA) and maintains 40 mA output current capability. Package dimensions are identical (8-SOIC 0.154" width). Note that supply voltage maximum is 32 V, matching the original specification.

Alternative Substitutes (Extended Performance):

BA3404F-E2 (Rohm Semiconductor) provides enhanced performance characteristics with push-pull output configuration, 1.2 MHz gain bandwidth product, and 1.2 V/µs slew rate. This part is suitable for applications requiring higher speed operation. Package dimensions differ slightly (8-SOIC 0.173" width), requiring PCB layout verification. Minimum supply voltage is 4 V, which may impact low-voltage applications.

BA10358F-E2 (Rohm Semiconductor) offers active product status with extended operating temperature range (-40°C ~ 85°C). This part features reduced supply current (700 µA) and lower output current per channel (20 mA), making it suitable for power-constrained applications. Package dimensions differ (8-SOIC 0.173" width). Gain bandwidth product is 500 kHz, which may limit high-frequency performance.

Not Recommended:

LM358ADRG4 (Texas Instruments) is classified as obsolete, similar to the original part. While electrically compatible, this status does not resolve supply chain discontinuation concerns.

Frequently Asked Questions (FAQ)

Q: Can BA10358F-E1 and BA10358F-E2 be used interchangeably with the AP358SG-13?

A: Both Rohm parts are functionally equivalent to the AP358SG-13 with respect to core amplifier specifications (2 circuits, general purpose, 45 nA input bias, 2 mV input offset, 3 V to 32 V supply range). However, package dimensions differ: BA10358 series uses 8-SOIC (0.173", 4.40mm width) versus AP358SG-13 (8-SOIC 0.154", 3.90mm width). PCB layout verification is required before substitution. BA10358F-E2 is preferred over BA10358F-E1 due to higher inventory availability (150,300 pcs versus 17,670 pcs).

Q: What is the significance of the output type difference between AP358SG-13 (Differential) and most substitute parts (standard output)?

A: The AP358SG-13 specifies differential output, while most substitutes do not explicitly list output type. This indicates the substitute parts employ standard single-ended output configuration. For applications requiring true differential output topology, BA3404F-E2 (push-pull output) may be more appropriate. For standard single-ended applications, the output type designation on the original part does not restrict substitution with standard output devices.

Q: Is the LM358ADT suitable for automotive applications?

A: Yes. LM358ADT is qualified to AEC-Q100 automotive standard and carries automotive grade designation. This part is suitable for automotive and industrial applications requiring enhanced reliability and temperature stability. Operating temperature range is 0°C ~ 70°C, matching the original specification.

Q: What are the package compatibility considerations for substitution?

A: The AP358SG-13 uses 8-SOIC package with 0.154" (3.90mm) width. Recommended substitutes LM358ADT, LM358ADR2G, LM358ADRG4, LM358AM/NOPB, and LM358AMX/NOPB maintain identical package dimensions, allowing direct PCB footprint compatibility. BA10358F-E1, BA10358F-E2, and BA3404F-E2 use 8-SOIC (0.173", 4.40mm width), requiring PCB layout verification and potential footprint modification. LM258DRG3 maintains identical package dimensions (8-SOIC 0.154" width).

Q: Which substitute offers the best long-term supply availability?

A: LM358ADT (STMicroelectronics) with 122,279 pcs inventory and active product status provides optimal long-term availability. LM358AM/NOPB (Texas Instruments) with 5,649 pcs and active status is also suitable. BA10358F-E2 (Rohm Semiconductor) offers the highest inventory level (150,300 pcs) but requires package dimension verification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original AP358SG-13 specifications. All parts are suitable for lead-free manufacturing environments.

Q: What is the impact of reduced output current in BA10358 series (20 mA versus 40 mA)?

A: BA10358 series parts provide 20 mA output current per channel, compared to 40 mA for the AP358SG-13. Applications requiring output currents exceeding 20 mA per channel cannot use BA10358 substitutes without additional output buffering. For applications operating within 20 mA per channel limits, BA10358 series provides reduced power consumption (700 µA supply current versus 1 mA).

Q: Can LM258DRG3 be used despite Last Time Buy status?

A: LM258DRG3 is classified as Last Time Buy, indicating the manufacturer will discontinue production after existing inventory is exhausted. While currently available (30,200 pcs), this status indicates limited long-term supply. This part is suitable for immediate production requirements but not recommended for long-term design commitments. LM358ADT or LM358AM/NOPB with active status are preferred for ongoing production.

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