LM2902KAVMPWREP Equivalent & Substitute Parts

Part Overview

The LM2902KAVMPWREP 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 Active product status and is ROHS3 compliant. The LM2902KAVMPWREP serves applications requiring low-power, general-purpose amplification across industrial, consumer, and automotive domains. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and supply voltage specifications align with the original component's operational requirements.

Key Parameters

Parameter	Value	Unit
Manufacturer	Texas Instruments
Part Number	LM2902KAVMPWREP
Category	Linear, Amplifiers
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
Slew Rate	0.5	V/µs
Gain Bandwidth Product	1.2	MHz
Current - Input Bias	20	nA
Voltage - Input Offset	3	mV
Current - Supply	1.4	mA (x4 Channels)
Current - Output / Channel	60	mA
Operating Temperature	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the LM2902KAVMPWREP are identified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Substitution Criteria:

Package type: 14-TSSOP surface mount configuration
Number of circuits: 4-channel operational amplifier
Supply voltage range: Minimum 3V, Maximum 32V or higher
Amplifier classification: General Purpose
RoHS3 compliance and MSL rating

Secondary Compatibility Parameters:

Slew rate performance (0.5V/µs baseline)
Gain bandwidth product (1.2 MHz baseline)
Input bias current (20 nA baseline)
Input offset voltage (3 mV baseline)
Output current per channel (60 mA baseline)
Operating temperature range (-55°C to 125°C baseline)

Substitute parts are grouped into three categories based on performance alignment:

Category A - Direct Equivalents (Texas Instruments LM2902/LM324 Series): Parts maintaining identical or superior electrical specifications within the same supply voltage envelope. These include LM2902MTX/NOPB, LM324MT/NOPB, LM324MTX/NOPB, and LP324MT/NOPB variants.

Category B - Extended Supply Range Substitutes (Diodes Incorporated AS324GTR-G1): Parts offering compatible electrical performance with extended maximum supply voltage (36V vs. 32V).

Category C - Alternative Manufacturer Equivalents (Rohm Semiconductor BA Series): Parts from alternative manufacturers providing comparable 4-circuit general-purpose amplification in 14-TSSOP or 14-SSOP-B packages with performance trade-offs in specific parameters.

Parameter Comparison

Parameter	LM2902KAVMPWREP	LM2902MTX/NOPB	LM324MTX/NOPB	AS324GTR-G1	BA10324AFV-E2	BA2902FV-E2	BA3474FVJ-E2
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Diodes Incorporated	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor
Number of Circuits	4	4	4	4	4	4	4
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-LSSOP	14-LSSOP	14-TSSOP
Voltage - Supply Span (Min)	3V	3V	3V	3V	3V	3V	3V
Voltage - Supply Span (Max)	32V	32V	32V	36V	32V	32V	36V
Slew Rate	0.5 V/µs	Not specified	Not specified	Not specified	0.2 V/µs	0.2 V/µs	10 V/µs
Gain Bandwidth Product	1.2 MHz	1 MHz	1 MHz	Not specified	500 kHz	500 kHz	4 MHz
Current - Input Bias	20 nA	45 nA	45 nA	20 nA	20 nA	20 nA	100 nA
Voltage - Input Offset	3 mV	2 mV	2 mV	2 mV	2 mV	2 mV	1.5 mV
Current - Supply	1.4 mA	1.5 mA	1.5 mA	1 mA	600 µA	700 µA	8 mA
Current - Output / Channel	60 mA	40 mA	40 mA	40 mA	35 mA	30 mA	30 mA
Operating Temperature	-55°C ~ 125°C	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Texas Instruments LM2902MTX/NOPB and LM324MTX/NOPB

These parts represent the closest functional equivalents to the LM2902KAVMPWREP within the Texas Instruments product family. Both maintain the 14-TSSOP package configuration, 4-circuit architecture, and 3V to 32V supply voltage range. The LM2902MTX/NOPB is packaged in Tape & Reel format with 2900 units in stock, while LM324MTX/NOPB is supplied in Cut Tape & Digi-Reel format with 21,068 units available. Both are ROHS3 compliant with MSL rating of 1 (Unlimited). The primary trade-off is reduced operating temperature range (-40°C to 85°C or 0°C to 70°C versus -55°C to 125°C) and slightly lower output current per channel (40 mA versus 60 mA).

Diodes Incorporated AS324GTR-G1

This part offers identical input bias current (20 nA) and input offset voltage (2 mV) specifications with extended maximum supply voltage capability (36V versus 32V). The 14-TSSOP package maintains mechanical compatibility. However, the operating temperature range is limited to -40°C to 85°C, and the MSL rating is 3 (168 Hours) versus 1 (Unlimited). Supply current is reduced to 1 mA, and output current per channel is 40 mA. This part is suitable for applications requiring extended supply voltage headroom with standard temperature operating conditions.

Rohm Semiconductor BA10324AFV-E2 and BA2902FV-E2

These parts provide alternative manufacturer sourcing with comparable 4-circuit general-purpose amplification. Both are supplied in Cut Tape & Digi-Reel packaging with high inventory availability (27,661 and 10,300 units respectively). The BA10324AFV-E2 operates across -40°C to 85°C with 500 kHz gain bandwidth product, while BA2902FV-E2 extends to -40°C to 125°C. Both use 14-LSSOP (14-SSOP-B) package configuration, which differs mechanically from the 14-TSSOP. Supply current is significantly reduced (600-700 µA), and output current per channel is lower (30-35 mA). These parts are suitable for applications where package footprint compatibility is not critical and lower power consumption is beneficial.

Rohm Semiconductor BA3474FVJ-E2

This part offers significantly enhanced performance with 10 V/µs slew rate and 4 MHz gain bandwidth product, representing a higher-performance alternative. The 14-TSSOP package maintains mechanical compatibility. Extended supply voltage (36V maximum) and ROHS3 compliance are provided. However, input bias current is elevated to 100 nA, supply current is substantially higher at 8 mA, and output current per channel is reduced to 30 mA. This part is suitable for applications requiring faster signal processing and higher bandwidth performance.

Texas Instruments LP324MT/NOPB and LP324MTX/NOPB

These low-power variants provide reduced supply current (85 µA) and input bias current (2 nA) with 100 kHz gain bandwidth product. Operating temperature range is limited to 0°C to 70°C. Output current per channel is significantly reduced to 10 mA. These parts are suitable for battery-powered or ultra-low-power applications where bandwidth and output drive requirements are modest.

All substitute parts maintain ROHS3 compliance and Active product status, ensuring long-term availability and regulatory alignment with the original LM2902KAVMPWREP specification.

Frequently Asked Questions (FAQ)

Q1: Can LM2902MTX/NOPB directly replace LM2902KAVMPWREP in all applications?

The LM2902MTX/NOPB maintains identical package type (14-TSSOP), circuit count (4), and supply voltage range (3V to 32V). However, the operating temperature range is reduced from -55°C to 125°C to -40°C to 85°C, and output current per channel is reduced from 60 mA to 40 mA. Direct substitution is valid for applications operating within -40°C to 85°C with output current requirements not exceeding 40 mA per channel.

Q2: What is the difference between 14-TSSOP and 14-LSSOP packages?

Both package types are surface mount configurations with 14 pins and 0.173" width (4.40mm). The primary difference is in the lead pitch and body dimensions. 14-TSSOP (Thin Shrink Small Outline Package) and 14-LSSOP (Low-profile Shrink Small Outline Package) have different mechanical footprints. PCB layout and reflow profiles may differ. Parts specified in 14-LSSOP (such as BA10324AFV-E2) require verification of PCB footprint compatibility before substitution.

Q3: Why does AS324GTR-G1 have MSL rating of 3 instead of 1?

MSL (Moisture Sensitivity Level) rating of 3 indicates the part requires controlled moisture exposure for 168 hours maximum before soldering. MSL rating of 1 (Unlimited) indicates no moisture sensitivity restrictions. Parts with MSL 3 require dry storage conditions and may require baking before reflow soldering. This affects supply chain handling and manufacturing processes but does not impact electrical performance.

Q4: Is BA3474FVJ-E2 a direct substitute for higher-speed applications?

BA3474FVJ-E2 offers 10 V/µs slew rate and 4 MHz gain bandwidth product compared to LM2902KAVMPWREP's 0.5 V/µs and 1.2 MHz. The 14-TSSOP package is mechanically compatible. However, supply current increases from 1.4 mA to 8 mA, and output current per channel decreases from 60 mA to 30 mA. This part is suitable for applications requiring faster signal processing but with lower output drive capability and higher power consumption.

Q5: Can LP324MT/NOPB be used in battery-powered applications?

LP324MT/NOPB provides ultra-low supply current of 85 µA compared to 1.4 mA for LM2902KAVMPWREP, making it suitable for battery-powered designs. However, the 100 kHz gain bandwidth product is significantly reduced, and output current per channel is limited to 10 mA. Operating temperature range is restricted to 0°C to 70°C. Substitution is valid only for applications with modest bandwidth and output current requirements within the specified temperature range.

Q6: What are the inventory considerations for substitute selection?

LM324MTX/NOPB offers the highest inventory availability at 21,068 units, followed by BA10324AFV-E2 at 27,661 units. LM2902MTX/NOPB provides 2,900 units, while BA3474FVJ-E2 has limited availability at 958 units. For applications requiring immediate supply or high-volume production, LM324MTX/NOPB or BA10324AFV-E2 are preferred. For specialized applications, BA3474FVJ-E2 availability should be confirmed with the supplier.

Q7: Are all substitute parts ROHS3 compliant?

All substitute parts listed are ROHS3 compliant, matching the original LM2902KAVMPWREP specification. REACH status is "REACH Unaffected" for all parts, and ECCN classification is EAR99 for all parts. This ensures regulatory alignment across all substitute options.

Q8: What is the impact of reduced output current per channel on circuit design?

Output current per channel determines the maximum load current that can be driven by each amplifier circuit. LM2902KAVMPWREP provides 60 mA per channel. Substitutes range from 10 mA (LP324 series) to 40 mA (LM324/AS324 series) to 30 mA (BA series). Applications requiring output currents exceeding the substitute part's specification will require external buffering or current amplification stages.

Q9: How does input bias current affect circuit performance?

Input bias current (20 nA for LM2902KAVMPWREP) represents the DC current flowing into the amplifier inputs. Higher input bias current (45 nA for LM324MTX/NOPB, 100 nA for BA3474FVJ-E2) can introduce offset errors in high-impedance circuits. Lower input bias current (2 nA for LP324 series) reduces offset errors. For applications with input impedances exceeding 1 MΩ, input bias current becomes a critical selection parameter.

Q10: What is the significance of gain bandwidth product in substitute selection?

Gain bandwidth product (GBW) defines the frequency response of the amplifier. LM2902KAVMPWREP provides 1.2 MHz GBW. Substitutes range from 100 kHz (LP324 series) to 4 MHz (BA3474FVJ-E2). Lower GBW limits the maximum frequency at which the amplifier can operate with specified gain. Higher GBW enables faster signal processing but may introduce stability issues in certain circuit configurations. GBW selection must align with the application's frequency requirements and stability margins.

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