LM2904DMR2G Equivalent & Substitute Parts

Part Overview

The LM2904DMR2G is a general-purpose operational amplifier manufactured by onsemi, configured as a dual-channel (2 circuit) device in an 8-MSOP surface mount package. This component is classified as a linear amplifier and is currently in active product status. The LM2904DMR2G operates across a supply voltage range of 3 V to 26 V and is suitable for general-purpose amplification applications requiring low input bias current and moderate bandwidth performance. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility exist, enabling direct replacement in circuit designs or when supply constraints necessitate alternative sourcing.

Key Parameters

Parameter	Value
Manufacturer Part Number	LM2904DMR2G
Manufacturer	onsemi
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
Gain Bandwidth Product	1 MHz
Current - Input Bias	45 nA
Voltage - Input Offset	2 mV
Current - Supply	800 µA (x2 Channels)
Current - Output / Channel	40 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	26 V
Operating Temperature	-40°C ~ 85°C
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the LM2904DMR2G are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Mechanical Compatibility:

Package type: 8-MSOP or 8-TSSOP surface mount configuration
Pin count: 8 pins
Physical dimensions: 0.118" width (3.00mm) or equivalent

Electrical Compatibility:

Number of circuits: 2 (dual-channel configuration)
Supply voltage range: Minimum 3 V, Maximum 26 V or greater
Operating temperature range: -40°C minimum, 85°C or higher maximum
Output current per channel: 40 mA or greater
Input bias current: 45 nA or lower
Voltage input offset: 2 mV or lower

Compliance Requirements:

RoHS3 compliance
MSL rating of 1 (Unlimited)
Active product status or equivalent availability

Substitutes are grouped into two categories: general-purpose amplifiers with comparable bandwidth and performance characteristics, and specialized amplifier types (voltage feedback, J-FET) that meet the mechanical and electrical envelope requirements while offering enhanced performance in specific parameters.

Parameter Comparison

Parameter	LM2904DMR2G	LM2904AVQPWR	LM2904AVQPWRG4Q1	LM2904AVQPWRQ1	BA3472RFVM-TR	BA3472YFVM-CTR	AD8022ARMZ	AD8022ARMZ-REEL	AD8022ARMZ-REEL7	ADA4062-2ARMZ
Manufacturer	onsemi	Texas Instruments	Texas Instruments	Texas Instruments	Rohm Semiconductor	Rohm Semiconductor	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	Voltage Feedback	Voltage Feedback	Voltage Feedback	J-FET
Number of Circuits	2	2	2	2	2	2	2	2	2	2
Package / Case	8-MSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-VSSOP, 8-MSOP	8-VSSOP, 8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Gain Bandwidth Product	1 MHz	700 kHz	700 kHz	700 kHz	4 MHz	4 MHz	100 MHz	100 MHz	100 MHz	1.4 MHz
Current - Input Bias	45 nA	20 nA	20 nA	20 nA	100 nA	100 nA	2.5 µA	2.5 µA	2.5 µA	2 pA
Voltage - Input Offset	2 mV	1 mV	1 mV	1 mV	1.5 mV	10 mV	1.5 mV	1.5 mV	1.5 mV	750 µV
Current - Supply	800 µA (x2)	500 µA (x2)	500 µA (x2)	500 µA (x2)	4 mA	4 mA	4 mA	4 mA	4 mA	165 µA (x2)
Current - Output / Channel	40 mA	40 mA	30 mA	30 mA	30 mA	30 mA	55 mA	55 mA	55 mA	20 mA
Voltage - Supply Span (Min)	3 V	3 V	3 V	3 V	3 V	3 V	4.5 V	4.5 V	4.5 V	8 V
Voltage - Supply Span (Max)	26 V	30 V	26 V	26 V	36 V	36 V	26 V	26 V	26 V	36 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 105°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Product Status	Active	Active	Active	Active	Active	Active	Active	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
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Substitutes (General Purpose Category):

The LM2904AVQPWR, LM2904AVQPWRG4Q1, and LM2904AVQPWRQ1 are direct functional equivalents manufactured by Texas Instruments. These parts maintain the same base product number (LM2904) and share identical electrical performance specifications with the LM2904DMR2G. The primary differences are package configuration (8-TSSOP versus 8-MSOP) and operating temperature range extensions. The LM2904AVQPWRG4Q1 and LM2904AVQPWRQ1 variants include AEC-Q100 automotive qualification, extending the operating temperature to -40°C ~ 125°C. These variants are suitable for applications requiring automotive-grade reliability. All three variants are in active product status and ROHS3 compliant.

General Purpose Alternatives (Rohm Semiconductor):

The BA3472RFVM-TR and BA3472YFVM-CTR are general-purpose dual-channel amplifiers from Rohm Semiconductor. Both devices meet the mechanical compatibility requirements with 8-MSOP packaging and dual-circuit configuration. The BA3472YFVM-CTR includes AEC-Q100 automotive qualification and extends the operating temperature range to -40°C ~ 125°C. These parts feature higher gain bandwidth product (4 MHz) and lower supply current (4 mA) compared to the LM2904DMR2G, making them suitable for applications where reduced power consumption is beneficial. Both are ROHS3 compliant and in active product status.

Enhanced Performance Alternatives (Analog Devices):

The AD8022ARMZ, AD8022ARMZ-REEL, and AD8022ARMZ-REEL7 are voltage feedback amplifiers offering significantly higher bandwidth (100 MHz gain bandwidth product) and slew rate (50 V/µs). These devices are mechanically compatible with 8-MSOP packaging and dual-circuit configuration. The primary trade-off is higher input bias current (2.5 µA versus 45 nA) and higher supply current (4 mA). These parts are suitable for applications requiring higher frequency response and faster signal processing. All variants are ROHS3 compliant and in active product status. The packaging variants (Tube, Cut Tape & Digi-Reel) provide flexibility in procurement options.

Specialized Alternative (J-FET Technology):

The ADA4062-2ARMZ is a J-FET amplifier offering extremely low input bias current (2 pA) and lower input offset voltage (750 µV). This device is mechanically compatible with 8-MSOP packaging and dual-circuit configuration. The ADA4062-2ARMZ operates across a wider supply voltage range (8 V to 36 V) and extended temperature range (-40°C ~ 125°C). The trade-off is lower output current per channel (20 mA) and lower gain bandwidth product (1.4 MHz). This part is suitable for high-impedance input applications where minimal input current is critical. The device is ROHS3 compliant and in active product status.

Frequently Asked Questions (FAQ)

Q: Can the LM2904AVQPWR be used as a direct replacement for the LM2904DMR2G?

A: The LM2904AVQPWR shares the same base product number and electrical specifications as the LM2904DMR2G. The primary difference is the package type: LM2904AVQPWR uses 8-TSSOP (0.173", 4.40mm width) while LM2904DMR2G uses 8-MSOP (0.118", 3.00mm width). Direct PCB-level substitution requires package compatibility. Both devices are ROHS3 compliant, operate across overlapping supply voltage ranges (3 V to 26 V or 30 V), and maintain identical electrical performance. The LM2904AVQPWR extends the operating temperature range to -40°C ~ 125°C.

Q: What is the difference between the LM2904AVQPWRG4Q1 and LM2904AVQPWRQ1?

A: Both variants are functionally identical LM2904 general-purpose amplifiers with identical electrical specifications. The primary difference is packaging: LM2904AVQPWRG4Q1 is supplied in Tape & Reel (TR) format, while LM2904AVQPWRQ1 is supplied in Cut Tape (CT) & Digi-Reel format. Both include AEC-Q100 automotive qualification and operate across -40°C ~ 125°C. Selection between these variants depends on procurement and assembly requirements rather than electrical performance.

Q: Why would I choose the AD8022ARMZ over the LM2904DMR2G?

A: The AD8022ARMZ is a voltage feedback amplifier offering 100 times higher gain bandwidth product (100 MHz versus 1 MHz) and 167 times faster slew rate (50 V/µs versus 0.3 V/µs). Selection of the AD8022ARMZ is appropriate for applications requiring higher frequency response, faster transient response, or higher-speed signal processing. The trade-off is significantly higher input bias current (2.5 µA versus 45 nA) and higher supply current (4 mA versus 800 µA). Both devices are mechanically compatible with 8-MSOP packaging and ROHS3 compliant.

Q: Is the ADA4062-2ARMZ suitable for low-power applications?

A: The ADA4062-2ARMZ features extremely low input bias current (2 pA) and reduced supply current (165 µA per channel pair versus 800 µA for the LM2904DMR2G), making it suitable for low-power, high-impedance input applications. However, the ADA4062-2ARMZ has lower output current capability (20 mA per channel versus 40 mA) and lower gain bandwidth product (1.4 MHz versus 1 MHz). Selection depends on whether the application prioritizes input impedance characteristics or output drive capability.

Q: What are the packaging considerations when substituting the LM2904DMR2G?

A: The LM2904DMR2G uses 8-MSOP packaging (0.118", 3.00mm width). Substitute parts are available in two package types: 8-MSOP (AD8022 series, ADA4062-2ARMZ, BA3472 series) and 8-TSSOP (LM2904AVQPWR variants). The 8-MSOP and 8-TSSOP packages have different physical dimensions and pin layouts. Direct PCB substitution requires matching package type. If the PCB is designed for 8-MSOP, only 8-MSOP substitutes can be used without redesign. All substitute parts maintain 8-pin surface mount configuration and are ROHS3 compliant with MSL rating of 1 (Unlimited).

Q: Are all substitute parts automotive-qualified?

A: Not all substitutes include automotive qualification. The LM2904AVQPWRG4Q1, LM2904AVQPWRQ1, and BA3472YFVM-CTR include AEC-Q100 automotive qualification. The remaining substitutes (AD8022 series, ADA4062-2ARMZ, BA3472RFVM-TR, LM2904AVQPWR) are industrial-grade components without automotive qualification. Selection of automotive-qualified variants is required for applications subject to automotive reliability standards.

Q: What is the supply voltage compatibility range for substitutes?

A: The LM2904DMR2G operates from 3 V to 26 V. Most substitutes maintain this range or extend it: LM2904AVQPWR (3 V to 30 V), BA3472 series (3 V to 36 V), AD8022 series (4.5 V to 26 V), and ADA4062-2ARMZ (8 V to 36 V). The AD8022 series requires minimum 4.5 V supply, and the ADA4062-2ARMZ requires minimum 8 V supply. Verify that the selected substitute meets the specific supply voltage requirements of the application before substitution.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message