ADM824SYKSZ-REEL7

Product Overview

Category

ADM824SYKSZ-REEL7 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: ADM824SYKSZ-REEL7 is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a certain threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry is properly reset when the power supply voltage drops to an unacceptable level.
• Package: ADM824SYKSZ-REEL7 is available in a surface-mount package, making it suitable for compact electronic designs.
• Essence: The essence of this product lies in its ability to ensure reliable operation of electronic devices by monitoring and resetting the power supply voltage.

Packaging/Quantity

ADM824SYKSZ-REEL7 is typically packaged in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Various threshold voltage options are available to suit different applications.
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: Typically less than 10µA
• Output Type: Active-low reset output
• Reset Timeout Period: Adjustable timeout period to prevent false resets

Detailed Pin Configuration

ADM824SYKSZ-REEL7 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. MR: Manual reset input
4. RESET: Active-low reset output

Functional Features

1. Voltage Monitoring: ADM824SYKSZ-REEL7 continuously monitors the power supply voltage and compares it to the preset threshold voltage.
2. Reset Signal Generation: When the power supply voltage falls below the threshold, ADM824SYKSZ-REEL7 generates an active-low reset signal.
3. Adjustable Timeout Period: The reset signal remains active for a programmable timeout period after the voltage rises above the threshold, preventing false resets during power fluctuations.
4. Manual Reset Input: ADM824SYKSZ-REEL7 includes a manual reset input (MR) that allows for external control of the reset function.

Advantages and Disadvantages

Advantages

• Reliable Voltage Monitoring: Ensures proper operation of electronic devices by monitoring the power supply voltage.
• Prevents Data Corruption: Generates a reset signal to prevent data corruption or improper functioning when the voltage drops below the threshold.
• Adjustable Timeout Period: Allows customization of the reset timeout period to suit specific application requirements.
• Compact Design: Surface-mount package enables integration into space-constrained designs.

Disadvantages

• Limited Voltage Range: Suitable for applications with supply voltages ranging from 1.6V to 5.5V only.
• External Components Required: May require additional external components for proper functionality in certain applications.

Working Principles

ADM824SYKSZ-REEL7 operates based on a voltage comparator circuit. It continuously compares the power supply voltage with the preset threshold voltage. When the voltage falls below the threshold, the internal circuitry generates an active-low reset signal. This signal remains active for a programmable timeout period after the voltage rises above the threshold, ensuring stability during power fluctuations. The manual reset input allows for external control of the reset function.

Detailed Application Field Plans

ADM824SYKSZ-REEL7 finds applications in various electronic devices where reliable voltage monitoring and reset functions are crucial. Some potential application fields include:

1. Microcontrollers: Ensures proper reset and stable operation of microcontrollers in embedded systems.
2. Industrial Control Systems: Provides voltage monitoring and reset functionality for critical control systems in industrial environments.
3. Power Supply Units: Protects sensitive electronic components by generating a reset signal when the power supply voltage drops below acceptable levels.
4. Automotive Electronics: Ensures reliable operation of automotive electronics by monitoring and resetting the power supply voltage.

Detailed and Complete Alternative Models

1. ADM823SYKSZ-REEL7: Similar to ADM824SYKSZ-REEL7, but with a fixed timeout period.
2. ADM825SYKSZ-REEL7: Offers additional features such as watchdog timer functionality.
3. ADM826SYKSZ-REEL7: Provides adjustable threshold voltage options for more precise voltage monitoring.

These alternative models offer similar voltage monitoring and reset functions, but with slight variations in features and specifications.

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