LP2902PWR Equivalent & Substitute Parts Reference

Part Overview

The LP2902PWR is a general-purpose operational amplifier manufactured by Texas Instruments, configured as a 4-circuit integrated circuit in 14-TSSOP surface mount packaging. This device is classified as Active product status and is RoHS3 compliant. The LP2902PWR serves applications requiring low-power, general-purpose amplification with extended supply voltage range. Substitute parts are identified based on matching functional category, circuit count, package type, and critical electrical parameters that ensure direct functional equivalence in circuit applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	LP2902PWR	—
Manufacturer	Texas Instruments	—
Category	Linear, Amplifiers	—
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	0.05	V/µs
Gain Bandwidth Product	100	kHz
Current - Input Bias	2	nA
Voltage - Input Offset	2	mV
Current - Supply (x4 Channels)	85	µA
Current - Output / Channel	10	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	32	V
Operating Temperature	-40°C ~ 85°C	—
Packaging	Tape & Reel (TR)	—
Product Status	Active	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LP2902PWR are identified through strict parameter matching across the following critical criteria:

Primary Matching Criteria:

Amplifier Type: General Purpose
Number of Circuits: 4
Package / Case: 14-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Voltage - Supply Span (Min): 3 V
Voltage - Supply Span (Max): 32 V or greater
Product Status: Active
RoHS Compliance: ROHS3 Compliant

Secondary Compatibility Parameters:

Current - Input Bias: 2 nA to 100 nA range
Voltage - Input Offset: 1.5 mV to 2 mV range
Current - Output / Channel: 10 mA to 40 mA range
Operating Temperature: Must include -40°C minimum and 85°C maximum or extended range

Substitutes are grouped into two categories: Direct Electrical Equivalents (matching LP2902 electrical specifications) and Functional Equivalents (matching LM324/LM2902 base series with enhanced performance parameters).

Parameter Comparison

Part Number	Manufacturer	Slew Rate (V/µs)	GBW (kHz)	Input Bias (nA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Temp Range (°C)	Package	Inventory
LP2902PWR	Texas Instruments	0.05	100	2	2	85	10	-40 ~ 85	14-TSSOP	23390
LM2902MTX/NOPB	Texas Instruments	—	1000	45	2	1500	40	-40 ~ 85	14-TSSOP	2900
LM324MT/NOPB	Texas Instruments	—	1000	45	2	1500	40	0 ~ 70	14-TSSOP	2316
LM324MTX/NOPB	Texas Instruments	—	1000	45	2	1500	40	0 ~ 70	14-TSSOP	21068
LP324MT/NOPB	Texas Instruments	0.05	100	2	2	85	10	0 ~ 70	14-TSSOP	1467
LP324MTX/NOPB	Texas Instruments	0.05	100	2	2	85	10	0 ~ 70	14-TSSOP	2264
AS324GTR-E1	Diodes Incorporated	—	—	20	2	1000	40	-40 ~ 85	14-TSSOP	8200
AS324GTR-G1	Diodes Incorporated	—	—	20	2	1000	40	-40 ~ 85	14-TSSOP	9667
BA10324AFV-E2	Rohm Semiconductor	0.2	500	20	2	600	35	-40 ~ 85	14-LSSOP	27661
BA2902FV-E2	Rohm Semiconductor	0.2	500	20	2	700	30	-40 ~ 125	14-LSSOP	10300
BA3474FVJ-E2	Rohm Semiconductor	10	4000	100	1.5	8000	30	-40 ~ 85	14-TSSOP	958

Engineering Selection Recommendations

Direct Electrical Equivalents (Identical Specifications):

LP324MT/NOPB and LP324MTX/NOPB are direct electrical equivalents to LP2902PWR, sharing identical slew rate (0.05 V/µs), gain bandwidth product (100 kHz), input bias current (2 nA), and output current per channel (10 mA). Both devices are Active status and RoHS3 compliant. The primary difference is operating temperature range: LP324 series operates 0°C ~ 70°C versus LP2902PWR at -40°C ~ 85°C. Selection of LP324 variants is appropriate for applications within the 0°C ~ 70°C temperature window. LP324MTX/NOPB offers higher inventory availability (21068 units) compared to LP324MT/NOPB (1467 units).

Enhanced Performance Substitutes (LM2902/LM324 Series):

LM2902MTX/NOPB, LM324MT/NOPB, and LM324MTX/NOPB represent the LinCMOS™ series with enhanced gain bandwidth product (1 MHz versus 100 kHz) and higher output current capability (40 mA versus 10 mA). These devices maintain identical supply voltage range (3 V to 32 V), input offset voltage (2 mV), and RoHS3 compliance. LM2902MTX/NOPB extends operating temperature to -40°C ~ 85°C, matching LP2902PWR temperature range. LM324 variants operate 0°C ~ 70°C. Selection of LM2902/LM324 series is appropriate when higher bandwidth and output current are required within the same package footprint.

Alternative Manufacturer Substitutes:

AS324GTR-E1 and AS324GTR-G1 (Diodes Incorporated) provide -40°C ~ 85°C operating range with 20 nA input bias current and 1 mA supply current per channel. Supply voltage range extends to 36 V maximum. Both devices are Active status and RoHS3 compliant with MSL 3 rating. BA10324AFV-E2 and BA2902FV-E2 (Rohm Semiconductor) offer intermediate performance with 0.2 V/µs slew rate and 500 kHz bandwidth. BA2902FV-E2 extends operating temperature to -40°C ~ 125°C. BA3474FVJ-E2 (Rohm Semiconductor) provides high-performance characteristics with 10 V/µs slew rate and 4 MHz bandwidth, suitable for applications requiring enhanced dynamic response.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and EAR99 ECCN classification. Moisture sensitivity levels range from MSL 1 (Unlimited) to MSL 3 (168 Hours). Selection should account for storage and handling requirements based on MSL rating.

Frequently Asked Questions (FAQ)

Q: Can LM2902MTX/NOPB directly replace LP2902PWR in all applications?

A: LM2902MTX/NOPB is functionally compatible with LP2902PWR within the -40°C ~ 85°C operating range. Both devices share identical supply voltage range (3 V to 32 V), input offset voltage (2 mV), and package footprint (14-TSSOP). LM2902MTX/NOPB provides enhanced gain bandwidth product (1 MHz versus 100 kHz) and higher output current (40 mA versus 10 mA). Applications designed for LP2902PWR specifications will operate with LM2902MTX/NOPB; however, circuit behavior may differ due to increased bandwidth and output current capability.

Q: What is the difference between LP324 and LM324 series?

A: LP324 series maintains the original LP2902PWR electrical specifications: 0.05 V/µs slew rate, 100 kHz gain bandwidth product, and 2 nA input bias current. LM324 series (LinCMOS™) provides enhanced performance with 1 MHz gain bandwidth product and 45 nA input bias current. Both series share identical supply voltage range and package footprint. LP324 is appropriate for applications requiring low-power operation; LM324 is appropriate for applications requiring higher bandwidth.

Q: Are Rohm Semiconductor BA10324AFV-E2 and BA2902FV-E2 compatible with LP2902PWR?

A: BA10324AFV-E2 and BA2902FV-E2 are functionally compatible within the -40°C ~ 85°C operating range and 3 V to 32 V supply voltage range. Both devices feature 14-LSSOP package (0.173", 4.40mm Width), which is mechanically compatible with 14-TSSOP footprint. Electrical differences include 0.2 V/µs slew rate (versus 0.05 V/µs) and 500 kHz gain bandwidth product (versus 100 kHz). BA2902FV-E2 extends operating temperature to -40°C ~ 125°C. Selection is appropriate when intermediate performance and extended temperature range are required.

Q: What is the significance of MSL rating in substitute selection?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient conditions (30°C, 85% relative humidity) before soldering. LP2902PWR carries MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. AS324GTR-E1 and AS324GTR-G1 carry MSL 3 (168 Hours), requiring storage in dry conditions and limiting exposure time before reflow soldering. Selection should account for manufacturing process requirements and storage capabilities.

Q: Can BA3474FVJ-E2 replace LP2902PWR?

A: BA3474FVJ-E2 is functionally compatible within the -40°C ~ 85°C operating range and 3 V to 36 V supply voltage range. However, BA3474FVJ-E2 provides significantly enhanced performance: 10 V/µs slew rate (versus 0.05 V/µs), 4 MHz gain bandwidth product (versus 100 kHz), and 100 nA input bias current (versus 2 nA). These performance enhancements may alter circuit behavior in applications designed for LP2902PWR specifications. Selection is appropriate only when high-speed operation and enhanced dynamic response are required.

Q: What packaging differences exist among substitute parts?

A: LP2902PWR is supplied in 14-TSSOP package with Tape & Reel (TR) packaging. Substitute parts are available in multiple package formats: 14-TSSOP (LM2902MTX/NOPB, LM324MTX/NOPB, LP324MTX/NOPB, AS324GTR-E1, AS324GTR-G1, BA3474FVJ-E2), 14-TSSOP with Tube packaging (LM324MT/NOPB, LP324MT/NOPB), and 14-LSSOP (BA10324AFV-E2, BA2902FV-E2). All variants maintain identical 0.173" (4.40mm) width and are mechanically compatible with standard 14-pin TSSOP/LSSOP footprints. Packaging format selection depends on manufacturing process requirements (tape reel for automated assembly, tube for manual handling).

Q: Which substitute offers the best inventory availability?

A: BA10324AFV-E2 (Rohm Semiconductor) offers the highest inventory availability at 27661 units. LM324MTX/NOPB (Texas Instruments) provides 21068 units. AS324GTR-G1 (Diodes Incorporated) provides 9667 units. LP2902PWR maintains 23390 units in stock. Selection based on inventory should consider lead time requirements and supply chain continuity.

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