ADM1816-R22ARTZ-R7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOT-23-3
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.2V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 5µA (typical)

Detailed Pin Configuration

The ADM1816-R22ARTZ-R7 has three pins in a SOT-23-3 package: 1. VCC: Connects to the positive supply voltage. 2. GND: Connects to the ground reference. 3. RESET: Provides the reset output signal.

Functional Features

• Precision Monitoring: The ADM1816-R22ARTZ-R7 accurately monitors the supply voltage and triggers a reset signal when it falls below the specified threshold.
• Low Power Consumption: With a quiescent current of only 5µA, this IC minimizes power consumption, making it suitable for battery-powered applications.
• Adjustable Reset Timeout: The reset timeout period can be adjusted using external components, allowing flexibility in system design.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Low power consumption extends battery life. - Adjustable reset timeout allows customization for specific applications.

Disadvantages: - Limited threshold voltage options may not suit all voltage monitoring requirements. - Single reset output limits its use in complex systems requiring multiple reset signals.

Working Principles

The ADM1816-R22ARTZ-R7 operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold, the reset output is activated. The reset remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The ADM1816-R22ARTZ-R7 is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some typical application fields include: - Microcontrollers and Microprocessors: Ensures proper system initialization and prevents erratic behavior during power-up or brownout conditions. - Communication Systems: Provides a reset signal to restart the system in case of power supply disturbances. - Industrial Control Systems: Monitors power supply integrity and initiates a system reset if necessary. - Automotive Electronics: Protects sensitive electronic components from voltage fluctuations and ensures safe operation.

Detailed and Complete Alternative Models

1. ADM1815-R23ARTZ-R7: Similar to ADM1816-R22ARTZ-R7 but with a different threshold voltage option (2.3V).
2. ADM1817-R24ARTZ-R7: Similar to ADM1816-R22ARTZ-R7 but with a different threshold voltage option (2.4V).
3. ADM1818-R25ARTZ-R7: Similar to ADM1816-R22ARTZ-R7 but with a different threshold voltage option (2.5V).

These alternative models provide flexibility in choosing the appropriate threshold voltage for specific voltage monitoring requirements.

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