The S-80720SN-DH-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. It's designed to monitor voltage levels within a system and provide a reset signal when the voltage drops below a certain threshold. This is crucial for preventing malfunctions in microcontrollers, microprocessors, and other sensitive electronic components.

Applications

• Microcontroller reset circuits
• CPU reset circuits
• Power-on reset (POR) circuits
• Battery voltage monitoring
• Overvoltage/Undervoltage protection

Features

• High-precision voltage detection
• Low current consumption
• Built-in hysteresis
• Small package size
• Wide operating temperature range

Benefits

• Ensures reliable microcontroller operation by preventing erroneous code execution during voltage drops.
• Extends battery life in portable devices due to minimal current draw.
• Prevents oscillation of the reset signal near the threshold voltage, ensuring clean reset behavior.
• Easy integration into space-constrained applications due to its compact size.
• Suitable for use in a wide range of environments due to its wide operating temperature range.

Detailed Specifications

The S-80720SN-DH-T2 features a precise detection voltage of 2.0V. The IC consumes very little current, making it ideal for battery-powered applications. The built-in hysteresis prevents the output from oscillating when the input voltage is near the detection threshold. The small package size allows for easy integration into various applications. The operating temperature range is from -40°C to +85°C. The output is an N-channel open drain output.

The detector monitors the supply voltage to ensure a clean power supply to critical components. If the voltage drops below the threshold, the reset output is activated, preventing errant operation. Upon voltage recovery, the reset is deasserted allowing normal operation to resume. The hysteresis ensures glitch-free operation and improves system stability.