ADM6820ARJZ-REEL7

Product Overview

Category

ADM6820ARJZ-REEL7 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: ADM6820ARJZ-REEL7 monitors the supply voltage and provides a reset signal when the voltage 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 brownout conditions.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered applications.
• Small package size: ADM6820ARJZ-REEL7 is available in a small SOT-23 package, which saves board space.

Package

ADM6820ARJZ-REEL7 is packaged in a SOT-23 package.

Essence

The essence of ADM6820ARJZ-REEL7 lies in its ability to monitor the supply voltage and provide a reset signal, ensuring reliable operation of digital circuitry.

Packaging/Quantity

This product is typically sold in reels containing a specific quantity, such as 3000 units per reel.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Reset threshold voltage options: 2.93V, 3.08V, 4.63V, and 4.38V
• Reset timeout period: 140ms (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

ADM6820ARJZ-REEL7 has three pins:

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

Functional Features

1. Voltage Monitoring: ADM6820ARJZ-REEL7 continuously monitors the supply voltage and compares it to the preset threshold voltage.
2. Reset Signal Generation: When the supply voltage drops below the threshold, the IC generates a reset signal on the RESET pin.
3. Reset Timeout: The reset signal remains active for a specific timeout period after the supply voltage rises above the threshold, ensuring a stable reset condition.
4. Power-On Reset: ADM6820ARJZ-REEL7 provides a power-on reset function, ensuring proper initialization of digital circuitry during power-up.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption.
• Small package size saves board space.
• Wide operating voltage range.
• Power-on reset ensures proper initialization.

Disadvantages

• Limited options for reset threshold voltages.
• Not suitable for applications requiring precise voltage monitoring.

Working Principles

ADM6820ARJZ-REEL7 operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage falls below the threshold, the IC generates a reset signal. The reset signal remains active for a specific timeout period after the supply voltage rises above the threshold, ensuring a stable reset condition.

Detailed Application Field Plans

ADM6820ARJZ-REEL7 finds applications in various electronic devices where reliable voltage monitoring and reset functions are required. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontrollers.
2. Embedded Systems: Providing a reset signal to ensure the correct startup of embedded systems.
3. Battery-Powered Devices: Monitoring battery voltage and initiating a reset when the voltage drops below a certain level.
4. Industrial Control Systems: Maintaining stable operation of control systems by monitoring the power supply voltage.

Detailed and Complete Alternative Models

1. ADM6821ARJZ-REEL7: Similar to ADM6820ARJZ-REEL7 but with different reset threshold voltage options.
2. ADM6822ARJZ-REEL7: Another variant with additional features such as watchdog timer functionality.
3. MAX6820UK: A similar IC from Maxim Integrated with comparable specifications.

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