Request Quote
(Ships tomorrow)
LM2902D Equivalent & Substitute Parts
Part Overview
The LM2902D is a general-purpose operational amplifier integrated circuit manufactured by Texas Instruments, configured as a 4-circuit device in 14-SOIC surface mount packaging. This component is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The LM2902D operates across a wide supply voltage range of 3V to 26V and maintains functionality across industrial temperature ranges from -40°C to 125°C. Equivalent and substitute parts are necessary due to inventory constraints and product lifecycle status, ensuring design continuity and long-term component availability for production environments.
Substiute Parts
Key Parameters
| Parameter | LM2902D 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 | 30 | mA |
| Voltage - Supply Span (Min) | 3 | V |
| Voltage - Supply Span (Max) | 26 | V |
| Operating Temperature | -40 to 125 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution logic for the LM2902D is determined by the following critical parameters: number of circuits (4), package type (14-SOIC surface mount), supply voltage range compatibility, operating temperature range, and electrical performance specifications including slew rate, gain bandwidth product, input bias current, and output current capability.
Substitute parts are grouped into three categories based on functional equivalence:
Category 1: Direct Functional Equivalents (LM2902 Base Series) Parts sharing the LM2902 base product number with identical circuit count, package footprint, and comparable electrical performance. These include LM2902M/NOPB, LM2902MX/NOPB, LM2902DR, and LP2902M/NOPB variants. These parts maintain the same pinout and electrical interface, differing primarily in packaging format (Tube, Cut Tape, or Tape & Reel) and product status.
Category 2: Extended Temperature Range Equivalents (LM324 Series) Parts based on the LM324 product line offering identical circuit count and package configuration with extended maximum supply voltage (32V versus 26V) and reduced operating temperature range (0°C to 70°C). These include LM324AM/NOPB, LM324AMX/NOPB, LM324M/NOPB, and LM324MX/NOPB. These parts are suitable for applications not requiring the full -40°C to 125°C temperature range of the LM2902D.
Category 3: Low-Power Alternatives (LP2902 Series) Parts designated LP2902M/NOPB and LP2902MX/NOPB provide reduced power consumption (85µA supply current versus 1.4mA) with lower slew rate (0.05V/µs) and reduced gain bandwidth product (100kHz). These are applicable only to applications where power efficiency is prioritized over high-frequency performance.
Category 4: Alternative Manufacturer Equivalents Parts from Rohm Semiconductor including LM2902DR and BA10324AF-E2 offering comparable functionality with different package specifications or electrical performance trade-offs.
Parameter Comparison
| Parameter | LM2902D | LM2902M/NOPB | LM2902MX/NOPB | LM2902DR | LM324AM/NOPB | LM324AMX/NOPB | LP2902M/NOPB | LP2902MX/NOPB | BA10324AF-E2 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Rohm Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Rohm Semiconductor |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Slew Rate (V/µs) | 0.5 | — | — | 0.3 | — | — | 0.05 | 0.05 | 0.2 |
| Gain Bandwidth Product (MHz) | 1.2 | 1 | 1 | 1.2 | 1 | 1 | 0.1 | 0.1 | 0.5 |
| Current - Input Bias (nA) | 20 | 45 | 45 | 20 | 45 | 45 | 2 | 2 | 20 |
| Voltage - Input Offset (mV) | 3 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 |
| Current - Supply (mA) | 1.4 | 1.5 | 1.5 | 1 | 1.5 | 1.5 | 0.085 | 0.085 | 0.6 |
| Current - Output / Channel (mA) | 30 | 40 | 40 | 30 | 40 | 40 | 10 | 10 | 35 |
| Voltage - Supply Span Min (V) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Voltage - Supply Span Max (V) | 26 | 32 | 32 | 32 | 32 | 32 | 26 | 26 | 32 |
| Operating Temperature (°C) | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | 0 to 70 | 0 to 70 | -40 to 85 | -40 to 85 | -40 to 85 |
| Package / Case | 14-SOIC (0.154", 3.90mm) | 14-SOIC (0.154", 3.90mm) | 14-SOIC (0.154", 3.90mm) | 14-SOPJ | 14-SOIC (0.154", 3.90mm) | 14-SOIC (0.154", 3.90mm) | 14-SOIC (0.154", 3.90mm) | 14-SOIC (0.154", 3.90mm) | 14-SOP (0.173", 4.40mm) |
| RoHS Status | 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) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Last Time Buy | Active | Active | Obsolete | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Primary Substitutes for Direct Replacement:
LM2902M/NOPB and LM2902MX/NOPB are the preferred direct substitutes for LM2902D. Both parts maintain identical pinout, package footprint (14-SOIC 0.154" width), and circuit configuration. These parts are currently in Active product status with substantial inventory availability (2,640 and 1,499 units respectively). The primary trade-off is reduced operating temperature range (-40°C to 85°C versus -40°C to 125°C) and slightly elevated input bias current (45nA versus 20nA). These parts are suitable for applications not requiring the full industrial temperature range of the LM2902D. Both are ROHS3 compliant with MSL 1 rating.
Extended Supply Voltage Alternative:
LM324AM/NOPB, LM324AMX/NOPB, LM324M/NOPB, and LM324MX/NOPB offer extended maximum supply voltage capability (32V versus 26V) with identical circuit count and package configuration. These parts operate within 0°C to 70°C temperature range, restricting use to commercial temperature applications. Inventory availability is substantial (105,684, 36,756, 1,922, and 50,513 units respectively). These substitutes are appropriate for designs requiring higher supply voltage headroom within commercial temperature specifications.
Low-Power Alternative:
LP2902M/NOPB and LP2902MX/NOPB provide significant power consumption reduction (85µA versus 1.4mA supply current) with identical package and circuit count. These parts are restricted to applications where slew rate (0.05V/µs) and gain bandwidth product (100kHz) are sufficient. Operating temperature range extends to -40°C to 85°C. These substitutes are applicable only to low-frequency, power-constrained applications.
Alternative Manufacturer Option:
LM2902DR from Rohm Semiconductor maintains identical circuit count and comparable electrical performance with 0.3V/µs slew rate and 1.2MHz gain bandwidth product. Package designation differs (14-SOPJ versus 14-SOIC), requiring PCB layout verification for mechanical compatibility. Operating temperature range matches LM2902D (-40°C to 125°C). This option provides extended supply voltage (32V maximum) and is suitable for designs with flexible packaging requirements.
Compliance Verification:
All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols. REACH status is unaffected for all listed substitutes. ECCN classification remains EAR99 across all alternatives.
Frequently Asked Questions (FAQ)
Q: Can LM2902M/NOPB directly replace LM2902D in existing PCB designs?
A: Yes, LM2902M/NOPB maintains identical pinout and 14-SOIC package footprint (0.154" width) as LM2902D. No PCB layout modifications are required. The primary electrical difference is reduced operating temperature range (-40°C to 85°C versus -40°C to 125°C) and slightly higher input bias current (45nA versus 20nA). Verify that your application does not require operation above 85°C or depend on the lower input bias current specification.
Q: What is the difference between LM2902M/NOPB and LM2902MX/NOPB?
A: Both parts are electrically identical with identical specifications. The difference is packaging format: LM2902M/NOPB is supplied in Tube packaging, while LM2902MX/NOPB is supplied in Cut Tape (CT) & Digi-Reel® format. Select based on your procurement and assembly process requirements.
Q: Why would I choose LM324 series over LM2902 series?
A: LM324 series parts offer extended maximum supply voltage (32V versus 26V), enabling designs requiring higher voltage headroom. However, LM324 parts operate within 0°C to 70°C commercial temperature range, restricting use to non-industrial applications. Select LM324 only if your design requires supply voltages above 26V and operates within commercial temperature specifications.
Q: Is BA10324AF-E2 from Rohm Semiconductor a suitable substitute?
A: BA10324AF-E2 provides 4-circuit general-purpose amplifier functionality with comparable electrical performance. However, the package differs (14-SOP 0.173" width versus 14-SOIC 0.154" width), requiring PCB layout verification for mechanical compatibility. Slew rate is reduced (0.2V/µs versus 0.5V/µs) and gain bandwidth product is lower (500kHz versus 1.2MHz). This substitute is suitable only for applications with flexible packaging requirements and lower frequency performance needs.
Q: When should I use LP2902 series parts?
A: LP2902M/NOPB and LP2902MX/NOPB are appropriate exclusively for low-frequency, power-constrained applications. Supply current is reduced to 85µA (versus 1.4mA), but slew rate drops to 0.05V/µs and gain bandwidth product reduces to 100kHz. Output current per channel is limited to 10mA versus 30mA. These parts are unsuitable for high-frequency signal processing or applications requiring high output current capability.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. All parts maintain REACH unaffected status and EAR99 ECCN classification, ensuring compatibility with standard manufacturing, storage, and export protocols.
Q: What is the inventory status of substitute parts?
A: LM2902M/NOPB (2,640 units), LM2902MX/NOPB (1,499 units), LM324AM/NOPB (105,684 units), LM324AMX/NOPB (36,756 units), LM324M/NOPB (1,922 units), LM324MX/NOPB (50,513 units), LP2902M/NOPB (747 units), and LP2902MX/NOPB (2,700 units) are currently in stock. LM2902DR from Rohm Semiconductor has 90,223 units available. Verify current inventory status with your supplier before finalizing design decisions.
Q: Can I use LM2902DR (Rohm) as a drop-in replacement?
A: LM2902DR maintains identical circuit count and comparable electrical performance with -40°C to 125°C operating temperature range. However, the package designation differs (14-SOPJ versus 14-SOIC), requiring verification that PCB footprint accommodates the alternative package. Electrical performance is comparable with 0.3V/µs slew rate and 1.2MHz gain bandwidth product. This substitute is suitable for designs with flexible packaging requirements.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts