The DS1811R-10/T&R is a robust, precision microprocessor (μP) supervisory circuit, expertly designed and manufactured by Maxim Integrated to monitor the power supplies in μP and digital systems. It provides a significant level of system reliability and accuracy required in critical applications by ensuring that the μP boots up in a predictable state every time.

Key Features

• Voltage Monitoring: The DS1811R-10/T&R monitors the system voltage and maintains a reset signal to the μP until that voltage reaches an acceptable level for reliable system operation, thus ensuring a proper startup sequence.
• Reset Timeout: It features an active-low reset with a timeout of typically 150ms, which holds the processor in the reset state for a fixed duration to guarantee a stable system reset.
• Temperature Range: This device operates over a wide temperature range, making it suitable for various industrial and commercial applications.
• Supply Voltage: Designed for a supply voltage of 2.88V, it is ideal for use in low-voltage operations, which is a common requirement in modern electronic devices.
• Compact Packaging: The DS1811R-10/T&R comes in a compact SOT-23 package, which is beneficial for space-constrained applications.
• Tape and Reel: The suffix ‘T&R’ indicates that the product is provided in a tape and reel format, facilitating automated assembly processes for high-volume production.

Applications

This supervisory circuit is versatile and can be integrated into a wide array of applications. It is particularly useful in systems that require a dependable power-on reset control, such as computers, controllers, intelligent instruments, portable/battery-powered products, and other digital systems that need precise power monitoring.

Quality and Reliability

Maxim Integrated is known for its commitment to quality, and the DS1811R-10/T&R is no exception. It is built to meet high industry standards, ensuring performance and reliability for critical system operations. Engineers and system designers can trust this component to maintain the integrity of their systems and extend the operational lifespan of their products.