ADM1818-R23AKSZ-R7

Basic Information Overview

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

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.3V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADM1818-R23AKSZ-R7 has the following pin configuration: 1. GND (Ground) 2. RESET (Reset Output) 3. VCC (Supply Voltage)

Functional Features

• Precision Monitoring: The ADM1818-R23AKSZ-R7 accurately monitors the supply voltage and triggers a reset signal when it falls below the specified threshold.
• Low Power Consumption: This IC operates with low power consumption, making it suitable for battery-powered applications.
• Adjustable Reset Timeout: The reset timeout period can be adjusted according to the application requirements.
• Active-Low Reset Output: The reset output is active-low, indicating a system reset when pulled low.

Advantages

• Reliable Voltage Supervision: The ADM1818-R23AKSZ-R7 ensures reliable voltage supervision, preventing system malfunctions due to low voltage conditions.
• Small Package Size: The SOT-23 package offers a compact form factor, saving board space in applications with size constraints.
• Wide Supply Voltage Range: The IC can operate within a wide supply voltage range, providing flexibility in various system designs.

Disadvantages

• Single Threshold Voltage Option: The ADM1818-R23AKSZ-R7 only offers a fixed threshold voltage of 2.3V, limiting its compatibility with systems requiring different threshold levels.
• Limited Reset Timeout Range: Although the reset timeout period is adjustable, it has a maximum limit of 640ms, which may not be sufficient for certain applications.

Working Principles

The ADM1818-R23AKSZ-R7 works by comparing the supply voltage with the specified threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a system reset. The reset output remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The ADM1818-R23AKSZ-R7 is commonly used in various electronic systems that require reliable voltage monitoring and reset functionality. Some application fields include: - Microcontrollers and Microprocessors - Embedded Systems - Power Management Circuits - Industrial Control Systems - Automotive Electronics

Detailed and Complete Alternative Models

• ADM1815-R23AKSZ-R7
• ADM1816-R23AKSZ-R7
• ADM1817-R23AKSZ-R7
• ADM1819-R23AKSZ-R7

These alternative models offer similar voltage supervision and reset features, but with different threshold voltage options or additional functionalities.

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