The DS1819AR-10-U from Maxim Integrated is a versatile and compact microprocessor (µP) supervisory circuit designed to monitor the power supplies in µP and digital systems. It provides a crucial function by ensuring that the µP boots up in a predictable state each time the system is powered on. This product is an essential component for any system that requires reliable operation over a wide range of voltage levels and temperatures.
Key Features
- Voltage Monitoring: The DS1819AR-10-U operates over a voltage range of 2.5V to 5.5V, making it suitable for a variety of digital systems.
- Reset Threshold: It features a precision factory-set reset threshold of 4.63V, ensuring accurate monitoring of the power supply.
- Reset Output: The active-low reset output is guaranteed to be in the correct state for VCC down to 1.2V, providing a reliable reset signal even during low voltage conditions.
- Low Power Consumption: With its low supply current of 20µA (typical), it minimizes the impact on the overall power budget of the system.
- Package: The device is offered in a compact SOT-23-3 package, allowing for efficient use of board space in space-constrained applications.
Applications
The DS1819AR-10-U is ideal for use in a wide range of applications, including:
- Computers and Servers
- Embedded Systems
- Portable/Battery-Powered Equipment
- Industrial Controllers
- Telecommunications Systems
Product Specifications
| Parameter |
Value |
| Supply Voltage Range |
2.5V to 5.5V |
| Reset Threshold Voltage |
4.63V (typical) |
| Supply Current |
20µA (typical) |
| Package Type |
SOT-23-3 |
| Operating Temperature |
-40°C to +85°C |
With its robust feature set and Maxim Integrated's reputation for high-quality, reliable integrated circuits, the DS1819AR-10-U is a smart choice for system designers looking to enhance the stability and performance of their digital systems.