Our high-speed comparators offer nanosecond propagation delay with the lowest power consumption on the market, available in space-saving SOT-23 and SC-70 packages.
Rail-to-rail, open-drain 5 V comparator with Power-on Reset
Combining a wide supply range (1.7 to 5.5 V) with ultra‑low power consumption (90 μA typ.) and a fast 60 ns propagation delay, the TS3121P delivers accurate, high-speed threshold detection without compromising efficiency.
Its embedded Power‑on Reset (PoR) guarantees a known, glitch‑free output during supply ramp-up, enabling repetitive on/off measurement cycles and helping reduce overall system power in energy‑saving designs.
With rail‑to‑rail inputs, open-drain output, high ESD robustness (4 kV HBM) and an extended temperature range from -40 °C to +125 °C, the TS3121P is perfectly suited for controllers, sensors, power tools, and overcurrent protection circuits. Its compact package helps minimize PCB area and cost, while functional safety documentation supports safety‑critical system design.
eDesignSuite
eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.
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Estimate
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