LM2904S-13 Equivalent & Substitute Parts

Part Overview

The LM2904S-13 is a general-purpose operational amplifier manufactured by Diodes Incorporated, featuring dual circuits in an 8-SOIC surface mount package. This device is actively produced and widely used in analog signal processing applications requiring low-cost, general-purpose amplification across industrial and commercial temperature ranges.

Substitute parts become necessary when the LM2904S-13 reaches end-of-life status, when alternative packaging formats are required for specific PCB layouts, or when enhanced performance characteristics are needed for particular circuit requirements. The parts listed below maintain functional compatibility through equivalent circuit topology, matching pin configurations, and overlapping electrical specifications.

Key Parameters

Parameter	LM2904S-13 Value	Unit	Substitution Relevance
Amplifier Type	General Purpose	—	Core functional classification
Number of Circuits	2	Circuits	Pin count and functional density
Slew Rate	0.3	V/µs	Signal fidelity and frequency response
Gain Bandwidth Product	700	kHz	Frequency response capability
Current - Input Bias	20	nA	Input impedance characteristics
Voltage - Input Offset	2	mV	DC accuracy and precision
Current - Supply	700	µA (x2 Channels)	Power consumption per channel
Current - Output / Channel	40	mA	Load driving capability
Voltage - Supply Span (Min)	3	V	Minimum operating voltage
Voltage - Supply Span (Max)	36	V	Maximum operating voltage
Operating Temperature	-40 to 125	°C	Environmental operating range
Package / Case	8-SOIC (0.154", 3.90mm Width)	—	Physical footprint and PCB compatibility
RoHS Status	ROHS3 Compliant	—	Environmental and regulatory compliance
Moisture Sensitivity Level (MSL)	3 (168 Hours)	—	Handling and storage requirements

Substitute Part Grouping Explanation

Substitution compatibility for the LM2904S-13 is determined by the following critical parameters:

Functional Equivalence: All substitute parts must be dual-circuit general-purpose operational amplifiers with identical pin configurations (8-pin SOIC package family).

Electrical Performance: Substitute parts must operate within the supply voltage range of 3 V to 36 V minimum. Slew rate, gain bandwidth product, input bias current, and output current specifications determine whether a substitute can perform the same circuit function without performance degradation.

Thermal Operating Range: The LM2904S-13 operates from -40°C to 125°C. Substitutes with narrower temperature ranges (such as 0°C to 70°C) are suitable only for applications not requiring the full industrial temperature specification.

Package Compatibility: Physical package dimensions must accommodate the PCB layout. The 8-SOIC family includes variants with different body widths (0.154", 0.173", 0.209"). Substitutes with matching 0.154" width maintain direct footprint compatibility; wider packages require PCB redesign.

Regulatory Compliance: All listed substitutes maintain ROHS3 compliance and EAR99 export classification, matching the original part's regulatory status.

Product Status: Active and Last Time Buy parts are suitable for new designs. Obsolete and Not For New Designs parts are restricted to legacy system maintenance only.

Parameter Comparison

Parameter	LM2904S-13	BA10358F-E2	BA10358FJ-GE2	LM2904EDR2G	LM2904PSR	LM2904WDT	LM358DR	LM358DRG3	LM358PSR	THS4062CDR
Manufacturer	Diodes Inc.	Rohm Semi.	Rohm Semi.	onsemi	TI	Rohm Semi.	Rohm Semi.	TI	TI	TI
Product Status	Active	Active	Active	Active	Last Time Buy	Obsolete	Not For New Designs	Last Time Buy	Last Time Buy	Active
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	Voltage Feedback
Number of Circuits	2	2	2	2	2	2	2	2	2	2
Slew Rate (V/µs)	0.3	0.2	0.2	0.6	0.3	0.3	0.3	0.3	0.3	400
Gain Bandwidth Product (kHz)	700	500	500	1000	700	1100	700	700	700	180000
Current - Input Bias (nA)	20	45	45	45	20	20	20	20	20	3000
Voltage - Input Offset (mV)	2	2	2	2	3	1	1	3	3	2.5
Current - Supply (µA)	700 (x2)	700	500	1500 (x2)	500 (x2)	600	600	500 (x2)	500 (x2)	7800 (x2)
Current - Output / Channel (mA)	40	20	20	40	40	40	40	40	40	115
Voltage - Supply Span Min (V)	3	3	3	3	3	3	3	3	3	9
Voltage - Supply Span Max (V)	36	32	32	32	26	32	32	30	30	32
Operating Temperature (°C)	-40 to 125	-40 to 85	-40 to 85	-40 to 105	-40 to 125	-40 to 125	-40 to 85	0 to 70	0 to 70	0 to 70
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.209", 5.30mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.209", 5.30mm)	8-SOIC (0.154", 3.90mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Footprint Substitutes (8-SOIC 0.154" Width)

The following parts maintain identical physical footprint compatibility with the LM2904S-13 and require no PCB layout modifications:

BA10358FJ-GE2 (Rohm Semiconductor): Active product status with matching 0.154" package width. Electrical performance is reduced (500 kHz bandwidth vs. 700 kHz, 0.2 V/µs slew rate vs. 0.3 V/µs), suitable for applications not requiring maximum speed. Operating temperature range limited to -40°C to 85°C. MSL rating of 1 provides superior moisture handling compared to the original part's MSL 3 rating.

LM2904EDR2G (onsemi): Active product with enhanced performance characteristics (1 MHz bandwidth, 0.6 V/µs slew rate). Maintains 40 mA output current and 3 V to 32 V supply range. Operating temperature extends to 105°C. Tape & Reel packaging format. Direct pin-compatible replacement with improved frequency response.

LM2904WDT (Rohm Semiconductor): Obsolete product status restricts use to legacy system maintenance only. Enhanced specifications (1.1 MHz bandwidth, 0.3 V/µs slew rate, 1 mV input offset). Not suitable for new designs.

LM358DR (Rohm Semiconductor): Not For New Designs status limits application to existing product support. Equivalent electrical performance to LM2904S-13 (700 kHz bandwidth, 0.3 V/µs slew rate). Operating temperature range -40°C to 85°C. Base product LM358 differs from LM2904 series.

LM358DRG3 (Texas Instruments): Last Time Buy status indicates limited availability. Restricted operating temperature range (0°C to 70°C) eliminates industrial temperature applications. Maximum supply voltage 30 V vs. 36 V on original part. Suitable only for commercial temperature range applications.

Wider Package Alternatives (Requires PCB Redesign)

BA10358F-E2 (Rohm Semiconductor): 0.173" package width requires PCB layout modification. Active product with reduced performance (500 kHz bandwidth). Output current limited to 20 mA vs. 40 mA on original part. Not recommended for high-current applications.

LM2904PSR (Texas Instruments): Last Time Buy status with 0.209" package width. Identical electrical performance to LM2904S-13 (700 kHz bandwidth, 0.3 V/µs slew rate). Maximum supply voltage reduced to 26 V. Requires PCB redesign due to wider package.

LM358PSR (Texas Instruments): Last Time Buy status with 0.209" package width. Restricted operating temperature (0°C to 70°C). Maximum supply voltage 30 V. Requires PCB redesign.

Performance Enhancement Alternative

THS4062CDR (Texas Instruments): Active product with fundamentally different amplifier architecture (Voltage Feedback vs. General Purpose). Extreme performance enhancement (400 V/µs slew rate, 180 MHz bandwidth) introduces significant design changes. Minimum supply voltage 9 V vs. 3 V on original part. Output current 115 mA vs. 40 mA. Input bias current 3 µA vs. 20 nA. Suitable only for high-speed applications requiring complete circuit redesign. Not a direct functional substitute.

Frequently Asked Questions (FAQ)

Q: Can I use BA10358F-E2 as a direct replacement for LM2904S-13 without PCB modifications?

A: No. The BA10358F-E2 has a 0.173" package width compared to the LM2904S-13's 0.154" width. This 0.019" difference exceeds typical PCB trace spacing tolerances and requires PCB redesign. Additionally, the output current is reduced to 20 mA, which may be insufficient for applications requiring the original 40 mA capability.

Q: What is the difference between LM2904 and LM358 series parts?

A: Both are dual general-purpose operational amplifiers with identical pin configurations and similar electrical performance. The LM358 series is a legacy product line with Not For New Designs status. The LM2904 series is the current recommended replacement. Functionally, they are interchangeable in most applications, but new designs should use LM2904 variants.

Q: Why does LM2904EDR2G have higher supply current (1.5 mA x2 Channels) than the original LM2904S-13 (700 µA x2 Channels)?

A: The LM2904EDR2G achieves enhanced performance specifications (1 MHz bandwidth vs. 700 kHz, 0.6 V/µs slew rate vs. 0.3 V/µs) through different internal circuit design. Higher supply current is the trade-off for improved frequency response. This is acceptable in applications where power consumption is not critical but signal fidelity is important.

Q: Can I use THS4062CDR in place of LM2904S-13?

A: No. The THS4062CDR is a voltage feedback amplifier with fundamentally different performance characteristics and operating requirements. The 9 V minimum supply voltage eliminates compatibility with 3 V to 8 V applications. The 3 µA input bias current is 150 times higher than the LM2904S-13, causing significant errors in high-impedance circuits. Complete circuit redesign is required.

Q: What does MSL 3 (168 Hours) mean on the LM2904S-13?

A: Moisture Sensitivity Level 3 indicates the component can absorb moisture during storage and requires baking before reflow soldering if exposed to humidity for more than 168 hours. Substitute parts with MSL 1 (Unlimited) do not require moisture baking and provide superior handling convenience. This is a manufacturing process consideration, not a functional limitation.

Q: Which substitute part is best for industrial temperature applications (-40°C to 125°C)?

A: Only LM2904PSR and LM2904WDT maintain the full -40°C to 125°C operating range. LM2904PSR is Last Time Buy status with limited availability. LM2904WDT is Obsolete and restricted to legacy system maintenance. For new designs requiring full industrial temperature range, the original LM2904S-13 remains the recommended choice.

Q: Can I use LM358DRG3 in a -40°C application?

A: No. The LM358DRG3 operating temperature range is 0°C to 70°C. It is not rated for operation below 0°C and will not function reliably at -40°C. This part is suitable only for commercial temperature range applications (0°C to 70°C).

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging provides individual component strips suitable for manual assembly or small-volume production. Tape & Reel packaging provides continuous reels for automated pick-and-place assembly equipment. Both formats contain identical components; the difference is in delivery and handling format. Select based on assembly process requirements, not electrical performance.

Q: Is LM2904EDR2G a direct pin-for-pin replacement?

A: Yes. The LM2904EDR2G maintains identical 8-pin SOIC pinout and 0.154" package width as the LM2904S-13. It is a direct pin-for-pin replacement with enhanced performance specifications. No PCB modifications are required.

Q: Why is LM2904WDT marked as Obsolete if it has better specifications than LM2904S-13?

A: Obsolete status indicates the manufacturer has discontinued production and will not accept new orders. Enhanced specifications do not override end-of-life status. Obsolete parts are available only from existing inventory and are restricted to legacy system maintenance. New designs must use Active or Last Time Buy products.

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