LM358M Equivalent & Substitute Parts

Part Overview

The LM358M is a general-purpose operational amplifier featuring two independent circuits in an 8-SOIC surface mount package. Manufactured by onsemi, this device operates across a supply voltage range of 3V to 32V with a gain bandwidth product of 1 MHz and input bias current of 45 nA. The LM358M is classified as obsolete product status. Due to its obsolete classification, identifying equivalent and substitute parts with active product status is necessary to ensure design continuity, supply chain reliability, and long-term component availability for new designs and production requirements.

Key Parameters

Parameter	LM358M Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Gain Bandwidth Product	1	MHz
Current - Input Bias	45	nA
Voltage - Input Offset	2	mV
Current - Supply (x2 Channels)	800	µA
Current - Output / Channel	40	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	32	V
Operating Temperature	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution logic for the LM358M is based on the following critical parameters that must align for functional equivalence:

Primary Substitution Criteria:

Amplifier Type: General Purpose
Number of Circuits: 2
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Gain Bandwidth Product: 1 MHz (baseline specification)
Current - Input Bias: 45 nA (baseline specification)
Voltage - Input Offset: 2 mV (baseline specification)
Current - Supply: 800µA (x2 Channels) (baseline specification)
Current - Output / Channel: 40 mA (baseline specification)
Voltage - Supply Span: 3V to 32V (operating range)

Substitution Categories:

Category 1: Direct Functional Equivalents (Active Status) Parts that maintain identical electrical specifications and package format with active product status. These parts are pin-compatible and electrically interchangeable without circuit modification.

Category 2: Enhanced Performance Variants (Active Status) Parts that share the same package and core functionality but feature improved electrical characteristics such as higher gain bandwidth product, lower input offset voltage, or extended temperature range. These parts are backward compatible but offer superior performance margins.

Category 3: Alternative Manufacturer Solutions (Active Status) Parts from different manufacturers that meet the same functional requirements and package specifications, providing supply chain diversification and alternative sourcing options.

Parameter Comparison

Part Number	Manufacturer	Product Status	GBW (MHz)	Input Bias (nA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Temp Range (°C)	RoHS Status
LM358M	onsemi	Obsolete	1	45	2	800	40	0 to 70	Non-compliant
LM258DR2G	onsemi	Active	1	45	2	800	40	-25 to 85	ROHS3 Compliant
LM2904DR2G	onsemi	Active	1	45	2	800	40	-40 to 85	ROHS3 Compliant
LM2904VDR2G	onsemi	Active	1	45	7	1500	40	-40 to 125	ROHS3 Compliant
LM358ADR2G	onsemi	Active	1	45	2	800	40	0 to 70	ROHS3 Compliant
MC34072ADR2G	onsemi	Active	4.5	100	0.5	1900	30	0 to 70	ROHS3 Compliant
MC34072DR2G	onsemi	Active	4.5	100	1	1900	30	0 to 70	ROHS3 Compliant
MC34072VDR2G	onsemi	Active	4.5	100	1	1900	30	-40 to 125	ROHS3 Compliant
NCV2904DR2G	onsemi	Active	1	45	7	1500	40	-40 to 125	ROHS3 Compliant
OPA2237UA	Texas Instruments	Active	1.5	10	0.25	170	8	-40 to 85	ROHS3 Compliant
BA2904YF-LBH2	Rohm Semiconductor	Active	0.5	20	2	500	30	-40 to 125	ROHS3 Compliant

Engineering Selection Recommendations

Tier 1: Direct Replacement (Identical Specifications)

LM358ADR2G is the primary direct replacement for LM358M. Both parts maintain identical electrical specifications including 1 MHz gain bandwidth product, 45 nA input bias current, 2 mV input offset voltage, and 800µA supply current. LM358ADR2G carries active product status and ROHS3 compliance, addressing the obsolescence and regulatory requirements of the original part. Operating temperature range remains 0°C to 70°C, matching the original specification.

LM258DR2G provides an alternative direct replacement with identical core electrical specifications. This part extends the operating temperature range to -25°C to 85°C while maintaining all other parameters. ROHS3 compliance and active product status are confirmed.

Tier 2: Extended Temperature Range Variants

LM2904DR2G maintains identical electrical specifications with extended operating temperature range of -40°C to 85°C. This part is suitable for applications requiring broader temperature operation while preserving the baseline electrical performance. Maximum supply voltage is 26V, which is within the 32V specification of the original part.

NCV2904DR2G extends the operating temperature to -40°C to 125°C with active product status and ROHS3 compliance. Input offset voltage increases to 7 mV and supply current increases to 1.5mA, representing acceptable parameter variations for applications not requiring the tighter specifications of the original part.

Tier 3: Enhanced Performance Alternatives

MC34072ADR2G, MC34072DR2G, and MC34072VDR2G offer enhanced performance with 4.5 MHz gain bandwidth product, lower input offset voltage (0.5 to 1 mV), and improved input bias current characteristics (100 nA). These parts are suitable for applications requiring higher bandwidth performance. Output current per channel is 30 mA, which is lower than the original 40 mA specification.

Tier 4: Alternative Manufacturer Solution

OPA2237UA from Texas Instruments provides an alternative sourcing option with active product status and ROHS3 compliance. This part features 1.5 MHz gain bandwidth product, significantly lower input bias current (10 nA), and reduced supply current (170µA). Output current per channel is 8 mA, representing a significant reduction from the original 40 mA specification. This part is suitable for low-power applications where the reduced output current is acceptable.

Tier 5: Low-Power Alternative

BA2904YF-LBH2 from Rohm Semiconductor offers the lowest supply current consumption at 500µA with extended temperature range of -40°C to 125°C. Gain bandwidth product is 500 kHz, representing a reduction from the original 1 MHz specification. This part is suitable for ultra-low-power applications where bandwidth reduction is acceptable.

Compliance Considerations:

All recommended substitute parts carry ROHS3 compliance status, addressing regulatory requirements. The original LM358M is RoHS non-compliant. All substitute parts maintain the 8-SOIC surface mount package format with 0.154" (3.90mm) width, ensuring mechanical compatibility with existing PCB layouts.

Frequently Asked Questions (FAQ)

Q1: Can LM358ADR2G be used as a direct drop-in replacement for LM358M?

A: Yes. LM358ADR2G maintains identical electrical specifications including gain bandwidth product (1 MHz), input bias current (45 nA), input offset voltage (2 mV), supply current (800µA), and output current (40 mA). Both parts use the 8-SOIC package with 0.154" width. The primary difference is product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No circuit modifications are required.

Q2: What is the difference between LM258DR2G and LM2904DR2G?

A: Both parts maintain identical electrical specifications as the LM358M. The primary difference is operating temperature range: LM258DR2G operates from -25°C to 85°C, while LM2904DR2G operates from -40°C to 85°C. LM2904DR2G provides a wider low-temperature operating range. Maximum supply voltage for LM2904DR2G is 26V compared to 32V for LM258DR2G.

Q3: Why would I select MC34072ADR2G over LM358ADR2G?

A: MC34072ADR2G offers enhanced performance characteristics including 4.5 MHz gain bandwidth product (versus 1 MHz), lower input offset voltage (0.5 mV versus 2 mV), and improved input bias current (100 nA versus 45 nA). Selection depends on application requirements for bandwidth and precision. Output current per channel is 30 mA versus 40 mA for LM358ADR2G.

Q4: Is OPA2237UA compatible with LM358M in all applications?

A: OPA2237UA shares the 8-SOIC package and general-purpose amplifier classification. However, output current per channel is significantly reduced to 8 mA compared to 40 mA for LM358M. This part is suitable only for applications where output current requirements do not exceed 8 mA per channel. Supply current is also significantly lower at 170µA, making this part suitable for low-power designs.

Q5: What are the package considerations when substituting these parts?

A: All recommended substitute parts use the 8-SOIC surface mount package with 0.154" (3.90mm) width. This ensures mechanical and electrical pin compatibility with existing PCB layouts designed for LM358M. No PCB modifications are required for package compatibility.

Q6: Which substitute part offers the best low-temperature performance?

A: MC34072VDR2G and NCV2904DR2G both extend operating temperature to -40°C to 125°C, providing the widest temperature range. BA2904YF-LBH2 also operates to -40°C to 125°C. Selection among these parts depends on specific electrical parameter requirements for your application.

Q7: Are all substitute parts RoHS compliant?

A: Yes. All recommended substitute parts carry ROHS3 compliance status. The original LM358M is RoHS non-compliant. If RoHS compliance is a design requirement, any of the recommended substitute parts satisfy this requirement.

Q8: What is the key parameter that determines substitution compatibility?

A: The 8-SOIC package format with 0.154" width is the primary mechanical constraint. Electrically, the gain bandwidth product (1 MHz baseline), input bias current (45 nA baseline), and supply voltage range (3V to 32V) are the critical parameters. Parts that maintain these specifications are direct functional equivalents. Parts with enhanced specifications (higher bandwidth, lower offset voltage) are backward compatible but offer improved performance margins.

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