ADM810LARTZ-REEL

Product Overview

Category

The ADM810LARTZ-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 ADM810LARTZ-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 device operates with low power requirements, making it suitable for battery-powered applications.
• Small package size: The ADM810LARTZ-REEL comes in a compact package, allowing for space-efficient integration into various electronic designs.

Package and Quantity

The ADM810LARTZ-REEL is available in a small SOT-23 package. It is typically sold in reels containing a specific quantity of units, such as 3000 pieces per reel.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Threshold voltage options: 2.93V, 3.08V, 3.15V, 4.38V, and 4.63V
• Reset timeout period: 140ms (typical)
• Quiescent current: 7µA (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

The ADM810LARTZ-REEL has three pins:

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

Functional Features

• Undervoltage detection: The ADM810LARTZ-REEL continuously monitors the supply voltage and detects when it drops below the specified threshold.
• Reset signal generation: When an undervoltage condition is detected, the device generates a reset signal on the RESET pin, indicating that the system should be reset or initialized.
• Adjustable threshold: The ADM810LARTZ-REEL offers multiple threshold voltage options, allowing flexibility in setting the desired voltage level for triggering the reset signal.
• Precision voltage reference: The device utilizes an accurate internal voltage reference to ensure reliable monitoring and precise threshold detection.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption, suitable for battery-powered applications.
• Compact package size enables space-efficient integration.
• Multiple threshold voltage options provide flexibility.

Disadvantages

• Limited to voltage monitoring and reset functions, not suitable for other complex tasks.
• Requires external components for proper operation.

Working Principles

The ADM810LARTZ-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 generation of a reset signal. This signal remains active until the supply voltage rises above the threshold and stabilizes.

Application Field Plans

The ADM810LARTZ-REEL finds application in various electronic systems where voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and microprocessors: Ensuring proper initialization and reliable operation of these devices.
2. Embedded systems: Providing a reset signal to restart the system in case of power fluctuations or failures.
3. Industrial control systems: Monitoring voltage levels to prevent malfunctions and ensure system stability.
4. Automotive electronics: Resetting critical components in case of voltage drops to maintain safe and reliable operation.

Alternative Models

Several alternative models offer similar functionality to the ADM810LARTZ-REEL. Some notable alternatives include:

1. MAX809: Manufactured by Maxim Integrated, this IC provides voltage monitoring and reset functions with adjustable threshold options.
2. MCP100: Produced by Microchip Technology, it offers similar features and comes in various package options.
3. TPS3808: Texas Instruments' product with programmable threshold voltage and additional power-on reset delay options.

These alternative models can be considered based on specific application requirements and design constraints.

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