The LM393B and LM2903B devices are the next generation versions of the industry-standard LM393 and LM2903 comparator family. These next generation B-version comparators feature lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, lower propagation delay, and improved 2 kV ESD performance and input ruggedness through dedicated ESD clamps. The LM393B and LM2903B can drop-in replace the LM293, LM393 and LM2903, for both "A" and "V" grades.
All devices consist of two independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Quiescent current is independent of the supply voltage.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators datasheet (Rev. AF) | PDF | HTML | 14 Aug 2023 |
| Application note | Application Design Guidelines for LM339, LM393, TL331 Family Comparators Including the New B-versions (Rev. F) | PDF | HTML | 12 Dec 2024 |
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| SOT-23-THN (DDF) | 8 | Ultra Librarian |
| TSSOP (PW) | 8 | Ultra Librarian |
| VSSOP (DGK) | 8 | Ultra Librarian |
| WSON (DSG) | 8 | Ultra Librarian |
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