ADM809RARTZ-REEL7

Product Overview

Category

ADM809RARTZ-REEL7 belongs to the category of electronic components.

Use

It is commonly used in various electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: ADM809RARTZ-REEL7 monitors the supply voltage and provides a reset signal when the voltage drops below a certain threshold.
• Reset function: It ensures that the microcontroller or other integrated circuits start in a known state after power-up or voltage fluctuations.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide range of supply voltages, typically from 1.1V to 5.5V.
• Small package size: ADM809RARTZ-REEL7 is available in a compact SOT-23 package.

Packaging/Quantity

The product is typically packaged in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 1.1V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Pin Configuration

ADM809RARTZ-REEL7 has three pins:

1. VCC: Connect this pin to the positive supply voltage.
2. GND: Connect this pin to the ground or negative supply voltage.
3. RESET: This pin outputs the reset signal to the microcontroller or other integrated circuits.

Functional Features

• Voltage Monitoring: ADM809RARTZ-REEL7 continuously monitors the supply voltage.
• Reset Generation: When the supply voltage drops below the specified threshold, the device generates a reset signal.
• Reset Timeout: The reset signal remains active for a specific timeout period after the voltage rises above the threshold again.
• Manual Reset Input: An external push-button can be connected to the RESET pin to manually trigger a reset.

Advantages and Disadvantages

Advantages

• Provides reliable voltage monitoring and reset functionality.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with various systems.
• Compact package size enables space-saving designs.

Disadvantages

• Limited reset threshold voltage options may not cover all application requirements.
• The reset timeout period is fixed and cannot be adjusted.

Working Principles

ADM809RARTZ-REEL7 operates based on a voltage comparator circuit. It compares the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the comparator triggers the reset signal. The reset signal remains active for a specific timeout period after the voltage rises above the threshold again. This ensures that the microcontroller or other integrated circuits start in a known state.

Application Field Plans

ADM809RARTZ-REEL7 finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontrollers.
2. Embedded Systems: Providing voltage monitoring and reset capabilities in embedded systems.
3. Power Management: Protecting sensitive components from voltage fluctuations in power management circuits.
4. Industrial Control Systems: Maintaining system integrity by monitoring supply voltage in industrial control systems.
5. Automotive Electronics: Ensuring stable operation of automotive electronics by monitoring voltage levels.

Alternative Models

There are several alternative models available in the market that offer similar functionality to ADM809RARTZ-REEL7. Some popular alternatives include:

1. MAX809: Manufactured by Maxim Integrated, it offers various reset threshold voltage options.
2. MCP100: Produced by Microchip Technology, it provides adjustable reset timeout period.
3. TPS3808: Offered by Texas Instruments, it features a wide operating temperature range.

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

In conclusion, ADM809RARTZ-REEL7 is an electronic component used for voltage monitoring and reset functions. It offers reliable performance, low power consumption, and a compact package size. While it has some limitations, it finds applications in various fields and has alternative models available in the market.