ADM809LAKSZ-REEL

Product Overview

Category

The ADM809LAKSZ-REEL belongs to the category of voltage monitoring and reset ICs (Integrated Circuits).

Use

This product is primarily used for monitoring the voltage level in electronic systems and generating a reset signal when the voltage falls below a certain threshold.

Characteristics

• Voltage monitoring range: The ADM809LAKSZ-REEL can monitor voltages in the range of 1.2V to 5.0V.
• Reset threshold accuracy: It provides a high level of accuracy in detecting voltage thresholds, ensuring reliable operation.
• Low power consumption: The IC consumes minimal power during operation, making it suitable for battery-powered applications.
• Small package size: The ADM809LAKSZ-REEL is available in a compact surface-mount package, enabling space-efficient designs.
• Wide temperature range: It operates reliably across a wide temperature range, making it suitable for various environments.

Package and Quantity

The ADM809LAKSZ-REEL is packaged in a small SOT-23 package. It is typically supplied in reels containing a specified quantity of ICs, which varies depending on the supplier.

Specifications

• Supply voltage range: 1.2V to 5.5V
• Reset threshold voltage options: 2.63V, 3.08V, 3.30V, 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 ADM809LAKSZ-REEL has three pins:

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

Functional Features

• Voltage monitoring: The ADM809LAKSZ-REEL continuously monitors the input voltage and compares it to the preset threshold.
• Reset generation: When the voltage drops below the threshold, the IC generates a reset signal to initiate system reset or other necessary actions.
• Power-on reset: It provides a power-on reset function, ensuring proper initialization of the system during power-up.
• Manual reset input: The ADM809LAKSZ-REEL includes an additional pin for manual reset input, allowing external control over the reset operation.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Low power consumption prolongs battery life in portable applications.
• Small package size enables compact designs.
• Wide temperature range allows for versatile usage in various environments.

Disadvantages

• Limited number of available reset threshold options.
• Lack of advanced features found in more specialized voltage monitoring ICs.

Working Principles

The ADM809LAKSZ-REEL operates by comparing the input voltage with the preset threshold voltage. When the voltage falls below the threshold, the IC triggers the reset output, initiating the reset process. It continuously monitors the voltage level to ensure proper system functionality.

Application Field Plans

The ADM809LAKSZ-REEL finds applications in various electronic systems where voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and microprocessors: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Industrial automation: Monitoring power supply voltages in control systems to prevent malfunctions and ensure safe operation.
3. Automotive electronics: Providing reliable reset functionality in automotive control units to enhance system stability.
4. Battery-powered devices: Protecting battery life by initiating a reset when the voltage drops below a critical level.
5. Communication systems: Ensuring continuous operation by monitoring power supply voltages and initiating resets if necessary.

Alternative Models

• MAX809: A similar voltage monitoring and reset IC offered by Maxim Integrated.
• MCP809: An alternative product from Microchip Technology with comparable features.
• TPS3808: Texas Instruments offers this voltage supervisor IC as an alternative option.

These alternative models provide similar functionality and can be considered based on specific application requirements.

Word count: 527 words