LM2902KAVQPWREP Equivalent & Substitute Parts

Part Overview

The LM2902KAVQPWREP 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 LM2902KAVQPWREP serves applications requiring low-power, general-purpose amplification across industrial, consumer, and automotive temperature ranges. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or specific packaging requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
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	60	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	32	V
Operating Temperature	-55 to 125	°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LM2902KAVQPWREP are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Number of Circuits: 4 (all substitutes maintain this requirement)
Package / Case: 14-TSSOP or equivalent 14-pin SSOP variants (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Voltage - Supply Span: Minimum 3V, Maximum ≥32V
RoHS3 Compliance: All substitutes maintain this certification

Performance Parameters Defining Substitution Groups:

Slew Rate: 0.5V/µs (main part specification)
Gain Bandwidth Product: 1.2 MHz (main part specification)
Current - Input Bias: 20 nA (main part specification)
Current - Output / Channel: 60 mA (main part specification)
Operating Temperature Range: -55°C to 125°C (main part specification)

Substitutes are grouped into two categories: direct equivalents maintaining all electrical specifications, and functional alternatives with modified performance characteristics suitable for less demanding applications.

Parameter Comparison

Parameter	LM2902KAVQPWREP	LM2902MTX/NOPB	LM324MT/NOPB	LM324MTX/NOPB	LP324MT/NOPB	LP324MTX/NOPB	AS324GTR-E1	AS324GTR-G1	BA10324AFV-E2	BA2902FV-E2	BA2902SFV-E2
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Diodes Incorporated	Diodes Incorporated	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor
Number of Circuits	4	4	4	4	4	4	4	4	4	4	4
Slew Rate (V/µs)	0.5	—	—	—	0.05	0.05	—	—	0.2	0.2	0.2
Gain Bandwidth Product (MHz)	1.2	1	1	1	0.1	0.1	—	—	0.5	0.5	0.5
Current - Input Bias (nA)	20	45	45	45	2	2	20	20	20	20	20
Voltage - Input Offset (mV)	3	2	2	2	2	2	2	2	2	2	2
Current - Supply (mA)	1.4	1.5	1.5	1.5	0.085	0.085	1	1	0.6	0.7	0.7
Current - Output / Channel (mA)	60	40	40	40	10	10	40	40	35	30	30
Voltage - Supply Span (Min/Max)	3/32	3/32	3/32	3/32	3/32	3/32	3/36	3/36	3/32	3/32	3/32
Operating Temperature (°C)	-55 to 125	-40 to 85	0 to 70	0 to 70	0 to 70	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 125	-40 to 105
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-LSSOP	14-LSSOP	14-LSSOP
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Group 1: Direct Electrical Equivalents (Recommended Primary Substitutes)

LM2902MTX/NOPB, LM324MT/NOPB, and LM324MTX/NOPB maintain the same base electrical architecture as the LM2902KAVQPWREP with 4-circuit general-purpose amplifier configuration. These parts are Active product status and RoHS3 compliant. LM2902MTX/NOPB operates across -40°C to 85°C, suitable for industrial applications. LM324MT/NOPB and LM324MTX/NOPB operate across 0°C to 70°C, appropriate for commercial temperature ranges. All three maintain 3V to 32V supply voltage compatibility and MSL 1 rating.

Group 2: Low-Power Alternatives (Reduced Performance)

LP324MT/NOPB and LP324MTX/NOPB provide 4-circuit general-purpose amplification with significantly reduced power consumption (85µA supply current versus 1.4mA). These parts operate across 0°C to 70°C and maintain 3V to 32V supply voltage compatibility. Gain bandwidth product is reduced to 100 kHz and output current per channel is limited to 10 mA. These substitutes are suitable for battery-powered or ultra-low-power applications where performance trade-offs are acceptable.

Group 3: Alternative Manufacturer Options

AS324GTR-E1 and AS324GTR-G1 (Diodes Incorporated) provide 4-circuit general-purpose amplification with -40°C to 85°C operating range and extended supply voltage to 36V maximum. These parts maintain 20 nA input bias current and 40 mA output current per channel. Moisture sensitivity level is MSL 3 (168 Hours), requiring controlled storage conditions compared to MSL 1 of the main part.

BA10324AFV-E2, BA2902FV-E2, and BA2902SFV-E2 (Rohm Semiconductor) provide 4-circuit general-purpose amplification in 14-LSSOP package variant. BA10324AFV-E2 operates -40°C to 85°C. BA2902FV-E2 operates -40°C to 125°C, matching the extended temperature range of the main part. BA2902SFV-E2 operates -40°C to 105°C. All three maintain MSL 1 rating and 3V to 32V supply voltage compatibility.

All substitute parts maintain RoHS3 compliance and REACH unaffected status, consistent with the main part specifications.

Frequently Asked Questions (FAQ)

Q1: Can LM2902MTX/NOPB directly replace LM2902KAVQPWREP in all applications?

LM2902MTX/NOPB shares the same base product number (LM2902) and maintains 4-circuit general-purpose amplifier configuration in 14-TSSOP package. Both are RoHS3 compliant with MSL 1 rating. The primary difference is operating temperature range: LM2902MTX/NOPB operates -40°C to 85°C versus LM2902KAVQPWREP at -55°C to 125°C. Direct substitution is valid for applications operating within -40°C to 85°C range. Applications requiring -55°C minimum or 125°C maximum operation require verification of alternative parts.

Q2: What is the difference between LM324 and LM2902 base product numbers?

Both LM324 and LM2902 are 4-circuit general-purpose operational amplifiers in 14-TSSOP package from Texas Instruments. The LM2902 series is optimized for lower power consumption and extended temperature operation. LM324 variants (LM324MT/NOPB, LM324MTX/NOPB) operate across 0°C to 70°C commercial temperature range. LM2902 variants maintain extended temperature capability. Both share identical package footprint and pin configuration, enabling mechanical compatibility.

Q3: Why do some substitute parts show "—" for Slew Rate and Gain Bandwidth Product?

Slew Rate and Gain Bandwidth Product are performance specifications not provided in the manufacturer datasheets for certain substitute parts. LM2902MTX/NOPB, LM324MT/NOPB, and LM324MTX/NOPB do not specify these parameters in available documentation, though they maintain the same base architecture. AS324GTR-E1 and AS324GTR-G1 similarly do not specify these parameters. Parts with specified values (LP324 series at 0.05V/µs and 100 kHz; BA series at 0.2V/µs and 500 kHz) represent reduced-performance alternatives.

Q4: What does MSL 3 (168 Hours) mean for AS324GTR variants?

Moisture Sensitivity Level 3 (168 Hours) indicates the part requires controlled storage conditions with maximum 60% relative humidity and 30°C temperature. The part can be exposed to ambient conditions for maximum 168 hours (7 days) before reflow soldering. MSL 1 (Unlimited) parts like LM2902KAVQPWREP and most substitutes have no moisture sensitivity restrictions. AS324GTR variants require desiccant packaging and controlled handling procedures.

Q5: Can LP324 series substitute for LM2902KAVQPWREP in high-speed applications?

LP324MT/NOPB and LP324MTX/NOPB are not suitable for high-speed applications. These parts specify 100 kHz gain bandwidth product and 0.05V/µs slew rate, compared to LM2902KAVQPWREP at 1.2 MHz and 0.5V/µs. LP324 series is optimized for ultra-low-power operation (85µA supply current) with reduced output current capability (10 mA per channel versus 60 mA). Substitution is valid only for low-frequency, battery-powered applications.

Q6: Are 14-TSSOP and 14-LSSOP packages mechanically interchangeable?

14-TSSOP and 14-LSSOP are both 14-pin small-outline packages with 0.173" width and 4.40mm body width. Pin pitch and footprint are identical, enabling mechanical interchangeability on PCB layouts. BA10324AFV-E2, BA2902FV-E2, and BA2902SFV-E2 use 14-LSSOP designation (14-SSOP-B) while LM2902KAVQPWREP uses 14-TSSOP. Both package variants are compatible with standard 14-pin SSOP PCB footprints.

Q7: Which substitute offers the best temperature range match to LM2902KAVQPWREP?

BA2902FV-E2 (Rohm Semiconductor) operates -40°C to 125°C, matching the maximum temperature of LM2902KAVQPWREP. This part maintains 4-circuit general-purpose amplifier configuration, 14-LSSOP package compatibility, MSL 1 rating, and RoHS3 compliance. Operating temperature range is -40°C to 125°C versus -55°C to 125°C for the main part, with -40°C minimum versus -55°C minimum representing the only difference.

Q8: What supply voltage range is common across all substitutes?

All substitute parts maintain minimum 3V supply voltage. Maximum supply voltage is 32V for Texas Instruments and Rohm Semiconductor parts, and 36V for Diodes Incorporated AS324GTR variants. Applications operating within 3V to 32V range are compatible with all substitutes. Applications requiring 32V to 36V operation are limited to AS324GTR-E1 and AS324GTR-G1.

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