ADM823LYRJ-R7

Product Overview

Category

ADM823LYRJ-R7 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 and reset functionality
• Low power consumption
• Small form factor
• Wide operating temperature range

Package

ADM823LYRJ-R7 is available in a small outline package (SOT-23-3) which is suitable for surface mount applications.

Essence

The essence of ADM823LYRJ-R7 lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: Adjustable from 2.32V to 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 8µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ADM823LYRJ-R7 has three pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin for reset signal.

Functional Features

• Voltage Monitoring: Monitors the supply voltage and compares it with the set threshold voltage.
• Reset Generation: Generates a reset signal when the supply voltage falls below the threshold voltage for a specified timeout period.
• Adjustable Parameters: The threshold voltage and timeout period can be adjusted according to the application requirements.
• Power-On Reset: Provides a reset signal upon power-up to ensure a controlled start-up of the device.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into small electronic devices.
• Wide operating temperature range makes it suitable for various environments.
• Adjustable parameters provide flexibility in different applications.
• Low power consumption helps to conserve battery life.

Disadvantages

• Limited reset timeout period may not be suitable for certain applications requiring longer timeouts.
• Lack of additional features such as hysteresis or watchdog functionality.

Working Principles

ADM823LYRJ-R7 works by continuously monitoring the supply voltage. When the voltage falls below the set threshold voltage for a specified timeout period, the reset signal is activated. This ensures that the device is reset and starts operating from a known state.

Detailed Application Field Plans

ADM823LYRJ-R7 finds applications in various electronic devices where voltage monitoring and reset functions are critical. Some of the potential application fields include:

1. Microcontrollers: Ensures proper operation and resets the microcontroller if the supply voltage drops below a certain level.
2. Industrial Control Systems: Monitors power supply voltages in industrial control systems to prevent malfunctions and ensure reliable operation.
3. Battery-Powered Devices: Protects battery-powered devices from operating at low voltages, preventing damage to the device or data loss.
4. Automotive Electronics: Provides voltage monitoring and reset functionality in automotive electronics to maintain system integrity.

Detailed and Complete Alternative Models

Some alternative models to ADM823LYRJ-R7 with similar functionality include:

1. MAX823: Integrated circuit with adjustable voltage monitor and reset function.
2. MCP809: Voltage supervisor with adjustable threshold and reset timeout.
3. TPS3808: Precision voltage supervisor with programmable delay time and manual reset input.

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

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