ADM811SART-REEL

Product Overview

Category

The ADM811SART-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 ADM811SART-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 voltage fluctuations.
• Low power consumption: The IC operates with low power requirements, making it suitable for battery-powered applications.
• Small package size: The ADM811SART-REEL is available in a compact surface-mount package, allowing for space-efficient designs.
• RoHS compliant: This product meets the Restriction of Hazardous Substances directive, ensuring environmental friendliness.

Package and Quantity

The ADM811SART-REEL is packaged in a small SOT-23 package. It is typically sold in reels containing a specific quantity, such as 3000 units per reel.

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)
• Quiescent current: 7µA (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

The ADM811SART-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 drops below the threshold.

Functional Features

• Undervoltage detection: The ADM811SART-REEL continuously monitors the supply voltage and detects when it falls below the specified threshold.
• Reset signal generation: When an undervoltage condition is detected, the IC asserts the RESET pin, providing a reset signal to the system.
• Reset timeout: After power-up or voltage recovery, the reset signal remains asserted for a specific period (140ms typical) to ensure proper system initialization.
• Hysteresis: The IC incorporates hysteresis to prevent oscillation of the reset signal during voltage fluctuations near the threshold.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited threshold voltage options may not cover all application requirements.
• Lack of additional features such as adjustable timeout period.

Working Principles

The ADM811SART-REEL operates by comparing the supply voltage with the internally set threshold voltage. When the supply voltage drops below the threshold, the IC generates a reset signal. This signal remains active for a specific timeout period to ensure proper system initialization after power-up or voltage fluctuations.

Application Field Plans

The ADM811SART-REEL finds applications in various electronic devices where reliable voltage monitoring and reset functions are required. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontroller-based systems.
2. Embedded Systems: Providing voltage monitoring and reset functionality in embedded systems for enhanced reliability.
3. Power Management: Incorporating the ADM811SART-REEL in power management circuits to protect sensitive components from voltage fluctuations.
4. Industrial Control Systems: Utilizing the IC in industrial control systems to maintain stable operation and prevent data corruption during power disturbances.

Alternative Models

For those seeking alternative options, the following models can be considered:

1. ADM812SART-REEL: Similar to ADM811SART-REEL but with adjustable reset timeout period.
2. ADM810SART-REEL: Provides a push-pull output instead of an open-drain output.
3. MAX811SART-REEL: An alternative IC from a different manufacturer with similar functionality.

These alternative models offer similar voltage monitoring and reset features, providing flexibility for different application requirements.

Word count: 534 words