The TL331B and TL391B devices are the next generation versions of the industry-standard TL331 comparator. These next generation devices provide outstanding value for cost-sensitive applications, with features including lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, lower propagation delay, wider temperature range and improved 2kV ESD performance with drop-in replacement convenience. The TL331B is a drop-in improved replacement for both the TL331I and TL331K versions, while the TL391B provides an alternate pinout of the TL331B to replace competitive devices.
Operation from dual supplies also is possible as long as the difference between the two supplies is within 2V to 36V, and VCC is at least 1.5V more positive than the input common-mode voltage. Current drain is independent of the supply voltage. The outputs can be connected to other open-collector outputs to achieve wired-AND relationships.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TL331B, TL391B and TL331 Single Comparators datasheet (Rev. L) | PDF | HTML | 13 Nov 2024 |
| Application note | Application Design Guidelines for LM339, LM393, TL331 Family Comparators Including the New B-versions (Rev. E) | PDF | HTML | 06 Jun 2024 | |
| Technical article | Solving top comparator challenges: Negative inputs and phase reversal | PDF | HTML | 18 Jan 2022 | |
| Technical article | Solving top comparator challenges: Violating input common-mode range | PDF | HTML | 23 Nov 2021 | |
| E-book | The Signal e-book: A compendium of blog posts on op amp design topics | 28 Mar 2017 |
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The amplifier performance development kit (PDK) is an evaluation module (EVM) kit to test common operational amplifier (op amp) parameters and is compatible with most op amps and comparators. The EVM kit offers a main board with several socketed daughtercard options to fit package needs, allowing (...)
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-23 (DBV) | 5 | Ultra Librarian |
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