ADM809MARTZ-REEL

Product Overview

Category

ADM809MARTZ-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: ADM809MARTZ-REEL is designed to monitor the power supply voltage and provide a reset signal when it falls below a certain threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts in a known state after power-up or voltage drop.
• Low power consumption: The IC operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide range of input voltages, typically from 1.1V to 5.0V.
• Small package size: ADM809MARTZ-REEL is available in a compact SOT-23 package.

Packaging/Quantity

The ADM809MARTZ-REEL is typically packaged in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 1.1V to 5.0V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Quiescent Current: 7µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Detailed Pin Configuration

ADM809MARTZ-REEL has three pins:

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

Functional Features

• Voltage Monitoring: ADM809MARTZ-REEL continuously monitors the supply voltage.
• Reset Generation: When the voltage falls below the specified threshold, the RESET pin becomes active, generating a reset signal.
• Precision: The IC provides accurate voltage monitoring and precise reset generation.
• Power-On Reset Delay: It ensures that the reset signal remains active for a specific duration after power is applied or restored.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption, 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.
• Lack of adjustable reset delay time limits customization possibilities.

Working Principles

ADM809MARTZ-REEL operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold, the internal circuitry triggers the RESET pin, generating a reset signal. This ensures that the connected microcontroller or digital circuit starts in a known state.

Detailed Application Field Plans

ADM809MARTZ-REEL finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some common application fields include:

1. Microcontrollers: Ensures proper initialization and reliable operation of microcontrollers upon power-up or voltage drop.
2. Embedded Systems: Provides a reset signal to ensure correct system behavior during power fluctuations.
3. Industrial Control Systems: Monitors power supply voltage to prevent data corruption or improper functioning of control systems.
4. Battery-Powered Devices: Helps conserve battery life by initiating a reset when the voltage drops below a certain level.
5. Automotive Electronics: Ensures stable operation of automotive electronics by monitoring the power supply voltage.

Detailed and Complete Alternative Models

1. ADM803/ADM809: These are similar voltage monitoring and reset ICs offered by Analog Devices. They provide additional features such as adjustable reset delay time and watchdog timer functionality.
2. MAX809: A voltage monitoring and reset IC manufactured by Maxim Integrated. It offers various reset threshold voltage options and adjustable reset delay time.
3. MCP101/102: Voltage supervisor ICs from Microchip Technology, providing voltage monitoring and reset functions with adjustable reset delay time.

These alternative models offer similar functionalities to ADM809MARTZ-REEL and can be considered based on specific application requirements.

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