The DS1811R-15 is a reliable processor supervisory circuit designed and manufactured by Maxim Integrated, a leader in analog and mixed-signal engineering. This compact and efficient component is engineered to monitor the system voltage and processor activity, ensuring optimal operation of electronic systems.
At the heart of the DS1811R-15 lies its ability to precisely monitor power supplies. With a factory-trimmed reset threshold of 1.5V, it serves as a watchdog for systems that require a high degree of stability and accuracy. This feature is particularly useful in preventing system failures and data corruption during instances of under-voltage conditions.
Key Features:
- Accurate Monitoring: The DS1811R-15 boasts a ±2% reset threshold accuracy over a temperature range of -40°C to +85°C, ensuring reliable performance across diverse operating conditions.
- Low Power Consumption: This device is designed for efficiency, with a typical supply current of only 4µA, making it ideal for power-sensitive applications.
- Minimal External Components: The circuit's design simplicity allows for a reduction in the number of external components required, facilitating a compact system design and cost savings.
- Active-Low Reset: The output of the DS1811R-15 is an active-low, push-pull reset signal, providing a direct interface to the reset pin of microprocessors, microcontrollers, and other ICs without the need for external transistors.
- Push-Pull Output: The push-pull output eliminates the need for external pull-up resistors, further simplifying the design and reducing component count.
The DS1811R-15 is available in a compact SOT-23 package, making it suitable for space-constrained applications. Its ease of integration into various electronic systems, along with its robust feature set, makes it an excellent choice for managing system integrity in complex electronic products.
Whether you're designing a new system or upgrading an existing one, the DS1811R-15 from Maxim Integrated provides the reliability and performance needed to maintain system stability and extend product lifespan.