LM2902PWRG4 Equivalent & Substitute Parts

Part Overview

The LM2902PWRG4 is a general-purpose operational amplifier integrated circuit manufactured by Texas Instruments, configured as a 4-circuit device in a 14-TSSOP surface mount package. This part is classified as obsolete, indicating that direct procurement from the original manufacturer may be limited or unavailable. The device operates across a wide supply voltage range of 3V to 26V and maintains performance across an extended temperature range of -40°C to 125°C. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain production schedules, and access adequate inventory for current and future applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	LM2902PWRG4	—
Manufacturer	Texas Instruments	—
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	0.5	V/µs
Gain Bandwidth Product	1.2	MHz
Current - Input Bias	20	nA
Voltage - Input Offset	3	mV
Current - Supply (x4 Channels)	1.4	mA
Current - Output / Channel	30	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	26	V
Operating Temperature	-40 to 125	°C
Product Status	Obsolete	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LM2902PWRG4 are grouped based on strict compatibility criteria derived from the allowed electrical and mechanical parameters. The primary substitution logic is as follows:

Critical Compatibility Parameters:

Number of Circuits: 4 (all substitutes must maintain quad-channel configuration)
Package Type: 14-TSSOP or equivalent 14-pin surface mount packages
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 3V, Maximum ≥26V
Operating Temperature Range: Must encompass or exceed -40°C to 125°C
Amplifier Type: General Purpose

Substitution Categories:

Category 1 – Direct Functional Equivalents (14-TSSOP Package, Extended Temperature Range) Parts that maintain the 14-TSSOP package, support the full -40°C to 125°C temperature range, and provide equivalent or superior electrical performance. These include LM2902PWR, LM2902PT, BA2902FV-E2, and BA2902SFV-E2.

Category 2 – Active Alternatives with Modified Temperature Range (14-TSSOP Package, Reduced Temperature Range) Parts that maintain the 14-TSSOP package and active product status but operate within a narrower temperature range (0°C to 70°C or -40°C to 85°C). These include LM2902MT/NOPB, LM2902MTX/NOPB, LM324MT/NOPB, and LM324MTX/NOPB.

Category 3 – Alternative Package Variants (14-LSSOP Package) Parts that provide equivalent functionality but use a 14-LSSOP package instead of 14-TSSOP. These include BA10324AFV-E2, BA2902FV-E2, and BA2902SFV-E2.

Category 4 – Active Variants with Modified Electrical Characteristics Parts that maintain core functionality but exhibit variations in slew rate, gain bandwidth product, or supply current. These include LM2902DTBR2G.

Parameter Comparison

Part Number	Manufacturer	Product Status	Package	Circuits	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)
LM2902PWRG4	Texas Instruments	Obsolete	14-TSSOP	4	0.5	1.2	20	3	1.4	30	3	26	-40 to 125
LM2902PWR	Rohm Semiconductor	Obsolete	14-TSSOP	4	0.3	1.2	20	3	1.4	30	3	26	-40 to 125
LM2902MT/NOPB	Texas Instruments	Active	14-TSSOP	4	—	1	45	2	1.5	40	3	32	-40 to 85
LM2902MTX/NOPB	Texas Instruments	Active	14-TSSOP	4	—	1	45	2	1.5	40	3	32	-40 to 85
LM324MT/NOPB	Texas Instruments	Active	14-TSSOP	4	—	1	45	2	1.5	40	3	32	0 to 70
LM324MTX/NOPB	Texas Instruments	Active	14-TSSOP	4	—	1	45	2	1.5	40	3	32	0 to 70
BA10324AFV-E2	Rohm Semiconductor	Active	14-LSSOP	4	0.2	0.5	20	2	0.6	35	3	32	-40 to 85
BA2902FV-E2	Rohm Semiconductor	Active	14-LSSOP	4	0.2	0.5	20	2	0.7	30	3	32	-40 to 125
BA2902SFV-E2	Rohm Semiconductor	Active	14-LSSOP	4	0.2	0.5	20	2	0.7	30	3	32	-40 to 105
LM2902DTBR2G	onsemi	Active	14-TSSOP	4	—	1	90	2	—	40	3	32	-40 to 105
LM2902PT	Rohm Semiconductor	Obsolete	14-TSSOP	4	0.3	1.3	20	1	1	30	3	32	-40 to 125

Engineering Selection Recommendations

Selection of substitute parts for the LM2902PWRG4 must be based on the following engineering criteria:

For Applications Requiring Extended Temperature Range (-40°C to 125°C): LM2902PWR, BA2902FV-E2, BA2902SFV-E2, and LM2902PT are suitable substitutes. These parts maintain the full temperature range of the original device. LM2902PWR and LM2902PT are obsolete but available in inventory. BA2902FV-E2 and BA2902SFV-E2 are active products with extended temperature support, though they use a 14-LSSOP package variant instead of 14-TSSOP.

For Applications Permitting Reduced Temperature Range (-40°C to 85°C or 0°C to 70°C): LM2902MT/NOPB, LM2902MTX/NOPB, LM324MT/NOPB, and LM324MTX/NOPB are active alternatives. These parts are currently in production and offer superior inventory availability. LM2902MT/NOPB and LM2902MTX/NOPB support -40°C to 85°C operation. LM324MT/NOPB and LM324MTX/NOPB support 0°C to 70°C operation and are suitable only for commercial temperature range applications.

For Applications with Modified Electrical Specifications: LM2902DTBR2G is an active product manufactured by onsemi that maintains the 14-TSSOP package and supports -40°C to 105°C operation. This part exhibits higher input bias current (90 nA versus 20 nA) and should be evaluated for applications where input bias current is not a critical parameter.

Compliance Considerations: All substitute parts listed are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating. These certifications ensure regulatory compliance across industrial and commercial applications.

Packaging Considerations: The original LM2902PWRG4 uses a 14-TSSOP package. Substitutes BA10324AFV-E2, BA2902FV-E2, and BA2902SFV-E2 use a 14-LSSOP package, which is mechanically compatible with 14-TSSOP footprints but may require verification of PCB layout and thermal characteristics for specific applications.

Frequently Asked Questions (FAQ)

Q1: Can LM2902MT/NOPB or LM2902MTX/NOPB be used as direct replacements for LM2902PWRG4?

A: LM2902MT/NOPB and LM2902MTX/NOPB are functionally compatible substitutes that maintain the 14-TSSOP package and 4-circuit configuration. However, the operating temperature range is reduced from -40°C to 125°C to -40°C to 85°C. These parts are suitable for applications operating within the -40°C to 85°C range. Both parts are active products with superior inventory availability compared to the obsolete LM2902PWRG4.

Q2: What is the difference between LM2902MT/NOPB and LM2902MTX/NOPB?

A: Both parts are manufactured by Texas Instruments and share identical electrical specifications. The primary difference is packaging: LM2902MT/NOPB is supplied in Tube packaging, while LM2902MTX/NOPB is supplied in Cut Tape (CT) & Digi-Reel® packaging. Selection depends on manufacturing process requirements and inventory management preferences.

Q3: Why do BA2902FV-E2 and BA2902SFV-E2 use a 14-LSSOP package instead of 14-TSSOP?

A: BA2902FV-E2 and BA2902SFV-E2 are manufactured by Rohm Semiconductor and use the 14-LSSOP package variant. The 14-LSSOP package is mechanically and electrically compatible with 14-TSSOP footprints for surface mount applications. Both parts maintain the extended temperature range (-40°C to 125°C for BA2902FV-E2 and -40°C to 105°C for BA2902SFV-E2) required for demanding applications.

Q4: Is LM324MT/NOPB or LM324MTX/NOPB suitable for applications requiring -40°C to 125°C operation?

A: No. LM324MT/NOPB and LM324MTX/NOPB operate within a commercial temperature range of 0°C to 70°C. These parts are not suitable for applications requiring extended temperature operation below 0°C or above 70°C. For extended temperature requirements, select LM2902MT/NOPB, LM2902MTX/NOPB, BA2902FV-E2, or BA2902SFV-E2.

Q5: What are the key electrical differences between LM2902PWRG4 and LM2902DTBR2G?

A: LM2902DTBR2G, manufactured by onsemi, exhibits higher input bias current (90 nA versus 20 nA) and lower gain bandwidth product (1 MHz versus 1.2 MHz). The slew rate specification is not provided for LM2902DTBR2G. This part is suitable for applications where input bias current is not a limiting factor and operates across -40°C to 105°C. LM2902DTBR2G is an active product with current inventory availability.

Q6: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage practices.

Q7: Which substitute offers the best inventory availability?

A: LM324MTX/NOPB offers the highest inventory availability with 21,068 pieces in stock. LM2902MTX/NOPB provides 2,900 pieces. If extended temperature range is required, BA2902FV-E2 and BA2902SFV-E2 offer 10,300 and 9,400 pieces respectively. Inventory levels should be verified with suppliers for current availability.

Q8: Can LM2902PWR be used as a substitute despite being classified as obsolete?

A: LM2902PWR is classified as obsolete but maintains full compatibility with LM2902PWRG4, including the extended temperature range (-40°C to 125°C) and 14-TSSOP package. This part is available in inventory (89,100 pieces). Use of obsolete parts should be evaluated based on long-term supply chain requirements and design lifecycle planning.

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