Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 3.08V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| ResetTimeout | 140ms Minimum |
| OperatingTemperature | -40°C ~ 105°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
Overview
Description
The MAX809TEUR+T is a microprocessor supervisory circuit designed to monitor power supply voltages in electronic systems. It ensures reliable system operation by providing a reset signal whenever the supply voltage drops below a certain threshold, thereby preventing erratic behavior or device damage. This particular model is part of the MAX809 series, which offers various threshold voltage options to accommodate different system requirements.
Key features of the MAX809TEUR+T include low supply current, typically around 1µA, ensuring minimal power consumption. It offers a precision voltage monitor with an accuracy of ±2% over the full temperature range, making it suitable for applications that demand high reliability. The device also provides a reset output, which is active low and remains asserted for a fixed period after the supply voltage returns to an acceptable level, allowing the system to stabilize.
The MAX809TEUR+T is available in a compact SOT-23 package, facilitating easy integration into space-constrained designs. It is commonly used in consumer electronics, automotive applications, and industrial systems to enhance performance and reliability.
Key features of the MAX809TEUR+T include low supply current, typically around 1µA, ensuring minimal power consumption. It offers a precision voltage monitor with an accuracy of ±2% over the full temperature range, making it suitable for applications that demand high reliability. The device also provides a reset output, which is active low and remains asserted for a fixed period after the supply voltage returns to an acceptable level, allowing the system to stabilize.
The MAX809TEUR+T is available in a compact SOT-23 package, facilitating easy integration into space-constrained designs. It is commonly used in consumer electronics, automotive applications, and industrial systems to enhance performance and reliability.
Equivalent
The MAX809TEUR+T is a microprocessor reset circuit. Equivalent products include the Microchip MCP130T-300I/TT, Texas Instruments TPS3809K33DBVR, ON Semiconductor NCP300HSN30T1G, and Analog Devices ADM809TARTZ-REEL7. These are similar in function, providing voltage monitoring and reset functions for microprocessors. Always verify specifications to ensure compatibility with your specific application.
Features
The MAX809TEUR+T is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor-based systems. It features:
1. Voltage Monitoring: Monitors a single voltage input and asserts a reset signal whenever the voltage falls below a preset threshold, ensuring reliable operation of the system.
2. Reset Output: Provides a push-pull, active-low reset output. This reset output remains asserted for a fixed time delay after the voltage exceeds the threshold, ensuring proper system initialization.
3. Low Supply Current: Consumes minimal power, typically around 1µA, making it suitable for battery-powered applications.
4. Precision Threshold: The device features a precise voltage detection threshold with minimal variance.
5. Low Cost and Small Package: Available in a small SOT-23 package, it offers a cost-effective solution for space-constrained designs.
6. Temperature Range: Operates over an extended temperature range, typically -40°C to +85°C, suitable for various environmental conditions.
These features make the MAX809TEUR+T ideal for ensuring the reliable operation of microprocessor and digital systems by handling power supply disruptions effectively.
1. Voltage Monitoring: Monitors a single voltage input and asserts a reset signal whenever the voltage falls below a preset threshold, ensuring reliable operation of the system.
2. Reset Output: Provides a push-pull, active-low reset output. This reset output remains asserted for a fixed time delay after the voltage exceeds the threshold, ensuring proper system initialization.
3. Low Supply Current: Consumes minimal power, typically around 1µA, making it suitable for battery-powered applications.
4. Precision Threshold: The device features a precise voltage detection threshold with minimal variance.
5. Low Cost and Small Package: Available in a small SOT-23 package, it offers a cost-effective solution for space-constrained designs.
6. Temperature Range: Operates over an extended temperature range, typically -40°C to +85°C, suitable for various environmental conditions.
These features make the MAX809TEUR+T ideal for ensuring the reliable operation of microprocessor and digital systems by handling power supply disruptions effectively.
Pinout
The MAX809TEUR+T is a microprocessor supervisory circuit designed to monitor the supply voltage in microprocessor systems. It typically comes in a 3-pin SOT-23 package. The pin functions are as follows:
1. VCC (Pin 3): This pin is connected to the supply voltage that needs to be monitored. The device monitors this voltage and triggers a reset if it drops below a specified threshold.
2. GND (Pin 2): This is the ground pin and serves as the reference point for the supply voltage.
3. RESET (Pin 1): This output pin provides a reset signal to the microprocessor. It is an active-low signal, meaning it goes low to indicate a reset condition when the monitored voltage falls below the threshold.
The MAX809TEUR+T is designed to provide a reset output during power-up, power-down, and brownout conditions, ensuring reliable operation of the microprocessor by preventing incorrect execution.
1. VCC (Pin 3): This pin is connected to the supply voltage that needs to be monitored. The device monitors this voltage and triggers a reset if it drops below a specified threshold.
2. GND (Pin 2): This is the ground pin and serves as the reference point for the supply voltage.
3. RESET (Pin 1): This output pin provides a reset signal to the microprocessor. It is an active-low signal, meaning it goes low to indicate a reset condition when the monitored voltage falls below the threshold.
The MAX809TEUR+T is designed to provide a reset output during power-up, power-down, and brownout conditions, ensuring reliable operation of the microprocessor by preventing incorrect execution.
Manufacturer
The MAX809TEUR+T is manufactured by Analog Devices, Inc. This company is a leading multinational semiconductor firm that designs, manufactures, and markets a broad portfolio of high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment. Analog Devices serves a wide range of industries, including industrial, automotive, communications, and consumer electronics. The company provides solutions that are essential for applications in areas such as data conversion, signal processing, power management, and more.
Application
The MAX809TEUR+T is a microprocessor supervisory circuit designed for monitoring power supplies and generating reset signals in various applications. Its primary application areas include:
1. Embedded Systems: Ensures microcontrollers and microprocessors operate reliably by preventing code execution errors during power fluctuations.
2. Consumer Electronics: Offers power monitoring and reset functions in devices like televisions, gaming consoles, and smart appliances.
3. Industrial Control Systems: Enhances system stability by supervising critical power supply levels in PLCs and other control units.
4. Networking Equipment: Maintains reliable operations in routers and switches by monitoring supply voltages.
5. Automotive Electronics: Supports vehicle electronic systems by ensuring proper microcontroller operation during voltage drops.
1. Embedded Systems: Ensures microcontrollers and microprocessors operate reliably by preventing code execution errors during power fluctuations.
2. Consumer Electronics: Offers power monitoring and reset functions in devices like televisions, gaming consoles, and smart appliances.
3. Industrial Control Systems: Enhances system stability by supervising critical power supply levels in PLCs and other control units.
4. Networking Equipment: Maintains reliable operations in routers and switches by monitoring supply voltages.
5. Automotive Electronics: Supports vehicle electronic systems by ensuring proper microcontroller operation during voltage drops.
Package
The MAX809TEUR+T is a voltage monitoring IC in a SOT-23-3 package. This package type is a small-outline transistor (SOT) with three leads, designed for surface mounting on a circuit board, commonly used for compact electronics applications.
