ADM811SARTZ-REEL

Product Overview

Category

The ADM811SARTZ-REEL belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: The ADM811SARTZ-REEL is designed to monitor the supply voltage of a system and provide a reset signal when the voltage falls below a specified threshold.
• Reset function: It ensures that the system is properly initialized after power-up or when the voltage drops below the threshold.
• Low power consumption: The IC operates with low power requirements, making it suitable for battery-powered devices.
• Small package size: The ADM811SARTZ-REEL is available in a compact SOT-23 package, allowing for space-efficient integration into various applications.
• RoHS compliant: This product meets the Restriction of Hazardous Substances directive, ensuring its environmental friendliness.

Packaging/Quantity

The ADM811SARTZ-REEL is typically packaged in reels, containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Threshold voltage options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset timeout period: 140ms (typical)
• Operating temperature range: -40°C to +85°C
• Quiescent current: 7µA (typical)

Detailed Pin Configuration

The ADM811SARTZ-REEL has three pins:

1. VCC: Connect this pin to the positive supply voltage.
2. GND: Connect this pin to the ground reference.
3. RESET: This pin outputs a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage monitoring: The ADM811SARTZ-REEL continuously monitors the supply voltage.
• Reset signal generation: When the voltage drops below the specified threshold, the IC generates a reset signal.
• Precision: The device provides accurate voltage monitoring and reliable reset functionality.
• Power-on reset: It ensures proper initialization of the system during power-up.
• Manual reset input: An external push-button can be connected to the RESET pin for manual reset control.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption, suitable for battery-powered devices.
• Compact package size allows for space-efficient integration.
• RoHS compliant, environmentally friendly.

Disadvantages

• Limited threshold voltage options may not cover all application requirements.
• Lack of advanced features found in more specialized voltage monitoring ICs.

Working Principles

The ADM811SARTZ-REEL operates based on a voltage comparator circuit. It compares the supply voltage with the internally set threshold voltage. When the supply voltage falls below the threshold, the comparator triggers the reset signal, which remains active until the voltage rises above the threshold or a manual reset is applied.

Detailed Application Field Plans

The ADM811SARTZ-REEL finds applications in various electronic devices that require reliable voltage monitoring and reset functions. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and safe operation of microcontroller-based systems.
2. Embedded systems: Providing voltage supervision and reset capabilities for embedded systems.
3. Industrial automation: Monitoring power supply voltages in industrial control systems.
4. Consumer electronics: Incorporating voltage monitoring and reset functionality in portable devices, such as smartphones and tablets.
5. Automotive electronics: Safeguarding critical automotive systems by monitoring supply voltages.

Detailed and Complete Alternative Models

1. MAX809: A similar voltage monitoring and reset IC with adjustable threshold voltage options.
2. MCP101: Offers additional features like power-on reset delay and manual reset input.
3. TPS3808: Provides a wide range of threshold voltage options and includes a watchdog timer.

These alternative models offer similar functionality to the ADM811SARTZ-REEL and can be considered based on specific application requirements.

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