LM2903DAlternatives & Equivalent Parts
About LM2903D
LM2903D is a comparators component manufactured by Texas Instruments. It comes in a SOIC-8 package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LM2903DSource | TS393IDT | LM2903DR | LM2903QDG4 | LM2903P | LM2903N/NOPB | MC74LCX08DTR2G | LM2903DT | LM2903M | LM2903N | LM2901D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | ON Semiconductor | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOIC-8 | Small Outline Packages | — | Small Outline Packages | — | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | — | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 8 | 8 | — | 8 | — | 8 | 14 | 8 | — | 8 | 14 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.0855 | $0.2800 | $0.0930 | $0.5050 | $0.1266 | $0.1113 | $0.1284 | $0.0483 | $0.6833 | $0.1113 | $0.0750 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | |||||||||||
| Factory Lead Time | 8 Weeks | 8 Weeks | — | — | — | — | — | 8 Weeks | — | — | 8 Weeks |
| YTEOL | 8 | 5.85 | — | 0 | — | 15 | 6 | 8 | — | 0 | 8 |
| Amplifier Type | COMPARATOR | COMPARATOR | — | COMPARATOR | — | COMPARATOR | — | COMPARATOR | — | COMPARATOR | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.4 µA | 0.0006 µA | — | 0.5 µA | — | 0.5 µA | — | 0.4 µA | — | 0.4 µA | 0.4 µA |
| Bias Current-Max (IIB) @25C | 0.25 µA | 0.0006 µA | — | 0.05 µA | — | 0.25 µA | — | 0.25 µA | — | 0.25 µA | 0.25 µA |
| Input Offset Voltage-Max | 15000 µV | 6500 µV | — | 7000 µV | — | 7000 µV | — | 15000 µV | — | 15000 µV | 15000 µV |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | — | R-PDSO-G8 | — | R-PDIP-T8 | R-PDSO-G14 | R-PDSO-G8 | — | R-PDIP-T8 | R-PDSO-G14 |
| JESD-609 Code | e3 | e3 | — | e4 | — | e4 | — | e3 | — | e3 | e3 |
| Number of Functions | 2 | 2 | — | 2 | — | 2 | 4 | 2 | — | 2 | 4 |
| Output Type | OPEN-COLLECTOR | OPEN-DRAIN | — | OPEN-COLLECTOR; OPEN-DRAIN | — | OPEN-COLLECTOR; OPEN-DRAIN | — | OPEN-COLLECTOR | — | OPEN-COLLECTOR | OPEN-COLLECTOR |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.3 | SOP8,.25 | — | SOP8,.25 | — | DIP8,.3 | TSSOP14,.25 | TSSOP8,.25 | — | DIP8,.3 | SOP14,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE | — | IN-LINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | — | IN-LINE | SMALL OUTLINE |
| Packing Method | TUBE | TR | — | TR | — | TUBE | TR | TR; TUBE | — | TUBE | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | — | — | — | 260 | — | — | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified |
| Response Time-Nom | 1300 ns | 1500 ns | — | 1300 ns | — | 1500 ns | — | 1300 ns | — | 1300 ns | 1300 ns |
| Supply Current-Max | 2.5 mA | 0.05 mA | — | 1 mA | — | 1 mA | — | 2.5 mA | — | 2.5 mA | 2.5 mA |
| Supply Voltage Limit-Max | 36 V | 18 V | — | 36 V | — | 36 V | — | 36 V | — | 36 V | 36 V |
| Supply Voltage-Nom (Vsup) | 5 V | 3 V | — | 5 V | — | 5 V | 3.3 V | 5 V | — | 5 V | 5 V |
| Surface Mount | YES | YES | — | YES | — | NO | YES | YES | — | NO | YES |
| Technology | BIPOLAR | CMOS | — | BIPOLAR | — | BIPOLAR | CMOS | BIPOLAR | — | BIPOLAR | BIPOLAR |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | AUTOMOTIVE | — | INDUSTRIAL | — | AUTOMOTIVE | — | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) - annealed | — | MATTE TIN | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | — | GULL WING | — | THROUGH-HOLE | GULL WING | GULL WING | — | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | 1.27 mm | — | 2.54 mm | 0.65 mm | 1.27 mm | — | 2.54 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | — | DUAL | DUAL | DUAL | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | NOT SPECIFIED | — | — | — | NOT SPECIFIED | — | — | NOT SPECIFIED |
| ## LM2903D Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — |
| Neg Supply Voltage Limit-Max | — | -18 V | — | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | — | Yes | — | Yes | Yes | — | — | — | — |
| Date Of Intro | — | — | — | 1988-04-01 | — | — | — | — | — | — | — |
| Subcategory | — | — | — | Comparator | — | Comparator | — | — | — | — | Comparator |
| ## LM2903QDG4 Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — |
| ## LM2903N/NOPB Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — |
| Manufacturer Package Code | — | — | — | — | — | — | 948G | — | — | — | — |
| Family | — | — | — | — | — | — | LVC/LCX/Z | — | — | — | — |
| Load Capacitance (CL) | — | — | — | — | — | — | 50 pF | — | — | — | — |
| Logic IC Type | — | — | — | — | — | — | AND GATE | — | — | — | — |
| Max I(ol) | — | — | — | — | — | — | 0.032 A | — | — | — | — |
| Number of Inputs | — | — | — | — | — | — | 2 | — | — | — | — |
| Power Supply Current-Max (ICC) | — | — | — | — | — | — | 0.01 mA | — | — | — | — |
| Prop. Delay@Nom-Sup | — | — | — | — | — | — | 5.5 ns | — | — | — | — |
| Propagation Delay (tpd) | — | — | — | — | — | — | 9.8 ns | — | — | — | — |
| Schmitt Trigger | — | — | — | — | — | — | NO | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | — | 3.6 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | — | 1.65 V | — | — | — | — |
| ## LM2903DT Alternates Showing results | — | — | — | — | — | — | — | Image | — | — | — |
| ## LM2901D Alternates Showing results | — | — | — | — | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 10 alternatives for LM2903D — response within 24 hours.
Quick Links
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Comparator, 2 Func, 15000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8
Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8
Why Look for Alternatives?
Finding alternatives for LM2903D is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LM2903D replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to LM2903D?
Known equivalents for LM2903D include TS393IDT, LM2903DR, LM2903QDG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2903D?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LM2903D alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.