LM2903DTAlternatives & Equivalent Parts
About LM2903DT
LM2903DT is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM2903DTSource | LM2903DR | LM2903D | ATMEGA48PA-MMH |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments | Microchip |
| Package Type | Small Outline Packages | — | SOIC-8 | Quad Flat No-Lead |
| Pin Count | 8 | — | 8 | 28 |
| Temperature Range | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $0.0483 | $0.0930 | $0.0855 | — |
| Electrical Parameters | ||||
| Factory Lead Time | 8 Weeks | — | 8 Weeks | 1 Week |
| YTEOL | 8 | — | 8 | 14 |
| Amplifier Type | COMPARATOR | — | COMPARATOR | — |
| Average Bias Current-Max (IIB) | 0.4 µA | — | 0.4 µA | — |
| Bias Current-Max (IIB) @25C | 0.25 µA | — | 0.25 µA | — |
| Input Offset Voltage-Max | 15000 µV | — | 15000 µV | — |
| JESD-30 Code | R-PDSO-G8 | — | R-PDSO-G8 | S-PQCC-N28 |
| JESD-609 Code | e3 | — | e3 | e4 |
| Number of Functions | 2 | — | 2 | — |
| Output Type | OPEN-COLLECTOR | — | OPEN-COLLECTOR | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 | — | SOP8,.3 | LCC28,.16SQ,18 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | — | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR; TUBE | — | TUBE | — |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | — |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified |
| Response Time-Nom | 1300 ns | — | 1300 ns | — |
| Supply Current-Max | 2.5 mA | — | 2.5 mA | 2.7 mA |
| Supply Voltage Limit-Max | 36 V | — | 36 V | — |
| Supply Voltage-Nom (Vsup) | 5 V | — | 5 V | — |
| Surface Mount | YES | — | YES | YES |
| Technology | BIPOLAR | — | BIPOLAR | CMOS |
| Temperature Grade | AUTOMOTIVE | — | AUTOMOTIVE | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed | — | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | — | GULL WING | NO LEAD |
| Terminal Pitch | 1.27 mm | — | 1.27 mm | 0.45 mm |
| Terminal Position | DUAL | — | DUAL | QUAD |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | 30 | — |
| ## LM2903DT Alternates Showing results | Image | — | — | — |
| ## LM2903D Alternates Showing results | — | — | Image | — |
| Pbfree Code | — | — | — | Yes |
| Manufacturer Package Code | — | — | — | VQFN-28 |
| Has ADC | — | — | — | YES |
| Additional Feature | — | — | — | IT ALSO OPERATES 1.8V AT 4 MHZ |
| Bit Size | — | — | — | 8 |
| Boundary Scan | — | — | — | NO |
| CPU Family | — | — | — | AVR RISC |
| Clock Frequency-Max | — | — | — | 20 MHz |
| DAC Channels | — | — | — | NO |
| DMA Channels | — | — | — | NO |
| Format | — | — | — | FIXED POINT |
| Integrated Cache | — | — | — | NO |
| Low Power Mode | — | — | — | YES |
| Number of External Interrupts | — | — | — | 2 |
| Number of I/O Lines | — | — | — | 23 |
| Number of Serial I/Os | — | — | — | 1 |
| Number of Timers | — | — | — | 3 |
| On Chip Data RAM Width | — | — | — | 8 |
| On Chip Program ROM Width | — | — | — | 8 |
| PWM Channels | — | — | — | YES |
| RAM (bytes) | — | — | — | 512 |
| RAM (words) | — | — | — | 512 |
| ROM (words) | — | — | — | 4096 |
| ROM Programmability | — | — | — | FLASH |
| Speed | — | — | — | 20 MHz |
| Supply Voltage-Max | — | — | — | 5.5 V |
| Supply Voltage-Min | — | — | — | 5 V |
| Supply Voltage-Nom | — | — | — | 5 V |
| uPs/uCs/Peripheral ICs Type | — | — | — | MICROCONTROLLER, RISC |
| ## ATMEGA48PA-MMH Alternates Showing results | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM2903DT 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 LM2903DT 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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Request Alternatives for LM2903DTFAQ
What is equivalent to LM2903DT?
Known equivalents for LM2903DT include LM2903DR, LM2903D, ATMEGA48PA-MMH. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2903DT?
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 LM2903DT 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.