MAX809TEUR

The MAX809TEUR is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor-based systems. It ensures that the system operates correctly by asserting a reset signal whenever the supply voltage drops below a specified threshold, thereby preventing erroneous operations during low-voltage conditions. The device is part of the MAX809 series, known for its precision voltage monitoring and low power consumption.
Key features of the MAX809TEUR include:
1. Voltage Monitoring: It monitors a single voltage rail and has a fixed threshold for detecting undervoltage conditions.
2. Reset Functionality: When the monitored voltage drops below the threshold, the MAX809TEUR generates a reset signal which remains active for a specified duration after the voltage returns to normal levels.
3. Low Power Consumption: Its efficient design ensures minimal power usage, making it suitable for battery-powered applications.
4. SOT-23 Package: The compact SOT-23 package makes it convenient for space-constrained designs.
This makes the MAX809TEUR suitable for a wide range of applications, including consumer electronics, automotive systems, and industrial equipment, where reliable operation is essential.

The MAX809TEUR is a microprocessor supervisory circuit designed to monitor the power supply in microprocessor-based systems. Key features include:
1. Supply Voltage Monitoring: It monitors the system's supply voltage and asserts a reset signal whenever the supply voltage falls below a preset threshold, ensuring safe and reliable system operation.
2. Reset Output: It provides an active-low reset output, which remains asserted for a specified timeout period after the voltage returns to the acceptable range, allowing the system to stabilize before normal operation resumes.
3. Threshold Voltage: The device is factory-trimmed to various threshold voltages, accommodating different system requirements.
4. Low Supply Current: The MAX809TEUR features a low quiescent current, making it suitable for battery-powered applications.
5. Precision Monitoring: It offers highly accurate voltage detection, critical for protecting microprocessors and digital circuits from under-voltage conditions.
6. Small Package: The device is available in compact surface-mount packages, facilitating integration into space-constrained designs.
By ensuring reliable power supply monitoring and reset functionality, the MAX809TEUR helps maintain system stability and prevent data corruption in various electronic applications.

The MAX809TEUR is a voltage monitoring IC. Its package type is SOT-23-3, which is a small-outline transistor package with three pins.

The MAX809TEUR is a microprocessor supervisory circuit manufactured by Maxim Integrated. It is typically used to monitor supply voltages in digital systems and provide a reset signal to the microprocessor during power-up, power-down, and brownout conditions.
The MAX809 is a 3-pin device. The pin functions are as follows:
1. GND (Pin 1): Ground pin, connected to the system ground.
2. RESET (Pin 2): Active-low reset output. This pin remains low when the monitored voltage is below the specified threshold, ensuring that the microprocessor is held in a reset state. When the voltage exceeds the threshold, the RESET signal is released after a fixed timeout period.
3. VCC (Pin 3): Supply voltage input, where the monitored voltage is applied. The device monitors this pin to determine whether to assert or de-assert the RESET signal.
This configuration allows the MAX809TEUR to provide a reliable reset signal, ensuring proper microprocessor initialization and preventing erroneous operation during power supply fluctuations.

The MAX809TEUR is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a company specializing in designing, manufacturing, and marketing analog and mixed-signal integrated circuits. They provide various solutions for industrial, communications, automotive, and consumer markets. Known for their innovative power management and battery management solutions, Maxim Integrated plays a significant role in the semiconductor industry, especially in developing components that enhance the efficiency and reliability of electronic devices.

The MAX809TEUR is a microprocessor supervisory circuit used primarily in applications requiring reliable system monitoring and reset. It is commonly used in embedded systems, microcontrollers, and processors to ensure proper operation by monitoring supply voltage and providing a reset signal when the voltage falls below a predefined threshold. This prevents erratic system behavior and ensures a reliable startup. Typical application areas include consumer electronics, automotive electronics, industrial controls, and communication equipment.

Equivalent products to the MAX809TEUR chip include the ADM809 series from Analog Devices, the MCP130 series from Microchip Technology, the STM809 series from STMicroelectronics, and the TPS3809 series from Texas Instruments. These are all microprocessor supervisory circuits that offer similar functionalities such as reset threshold voltage and active-low reset output. Always verify the specific features and parameters to ensure compatibility.