ADM809RAKS-REEL7

Product Overview

Category

ADM809RAKS-REEL7 belongs to the category of voltage monitoring and reset circuits.

Use

This product is primarily used in electronic devices to monitor the power supply voltage and ensure proper system operation. It provides a reset signal when the voltage falls below a certain threshold, preventing erratic behavior or data corruption.

Characteristics

• Voltage monitoring: ADM809RAKS-REEL7 monitors the power supply voltage and generates a reset signal when it drops below a specified level.
• Low power consumption: This circuit operates with low power requirements, making it suitable for battery-powered devices.
• Small package size: The product comes in a compact package, allowing for easy integration into various electronic systems.
• Wide operating voltage range: ADM809RAKS-REEL7 can operate within a wide voltage range, accommodating different power supply configurations.

Package and Quantity

ADM809RAKS-REEL7 is available 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: 1.2V to 5.5V
• Reset threshold voltage options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V
• Reset timeout period: 140ms (minimum)
• Quiescent current: 10µA (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

ADM809RAKS-REEL7 has three pins:

1. VCC: Power supply input pin (+)
2. GND: Ground pin (-)
3. RESET: Output pin that provides the reset signal

Functional Features

• Voltage monitoring: ADM809RAKS-REEL7 continuously monitors the power supply voltage.
• Reset signal generation: When the voltage drops below the specified threshold, the circuit generates a reset signal on the RESET pin.
• Reset timeout: The reset signal remains active for a minimum period of 140ms after the voltage rises above the threshold.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring: ADM809RAKS-REEL7 ensures stable system operation by accurately monitoring the power supply voltage.
• Low power consumption: The circuit operates with minimal power requirements, making it suitable for energy-efficient devices.
• Small form factor: The compact package allows for easy integration into space-constrained designs.

Disadvantages

• Limited reset threshold options: The available reset threshold voltage options may not cover all specific application requirements.
• Lack of adjustable timeout period: The reset timeout period is fixed at 140ms, which may not be ideal for all applications.

Working Principles

ADM809RAKS-REEL7 utilizes a voltage comparator to monitor the power supply voltage. When the voltage falls below the specified threshold, the comparator triggers the generation of a reset signal. This signal remains active for a minimum period of 140ms after the voltage rises above the threshold, ensuring proper system initialization.

Application Field Plans

ADM809RAKS-REEL7 finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Industrial control systems: Providing reliable reset functionality to maintain system integrity.
3. Automotive electronics: Monitoring voltage levels to prevent malfunctions and ensure safe operation.
4. Battery-powered devices: Protecting against undervoltage conditions and preserving battery life.

Alternative Models

For those seeking alternative options, the following models offer similar functionality:

1. MAX809: Manufactured by Maxim Integrated, this voltage monitoring and reset circuit provides adjustable threshold options.
2. MCP809: Produced by Microchip Technology, this product offers a wide range of reset timeout periods for increased flexibility.

These alternative models can be considered based on specific application requirements and desired features.

In conclusion, ADM809RAKS-REEL7 is a voltage monitoring and reset circuit used in various electronic systems. Its compact size, low power consumption, and reliable functionality make it suitable for a wide range of applications. However, the limited reset threshold options and fixed reset timeout period should be taken into consideration when selecting this product.