ADM6321AY43ARJZ-R7

Product Overview

Category

ADM6321AY43ARJZ-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
• Wide operating voltage range
• Small package size
• High accuracy

Package

ADM6321AY43ARJZ-R7 is available in a small form factor package, typically a 4-pin SOT-23 package.

Essence

The essence of ADM6321AY43ARJZ-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 usually packaged in reels or tubes, with a typical quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 4.3V
• Reset Timeout Period: 140ms
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ADM6321AY43ARJZ-R7 has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output

Functional Features

• Voltage Monitoring: The ADM6321AY43ARJZ-R7 continuously monitors the supply voltage and compares it to the preset threshold voltage.
• Reset Generation: When the supply voltage drops below the threshold voltage, the ADM6321AY43ARJZ-R7 asserts the reset signal, indicating that the device should be reset.
• Manual Reset: The MR pin allows for manual reset, overriding the automatic reset functionality.
• Reset Timeout: The reset signal remains asserted for a fixed timeout period after the supply voltage rises above the threshold voltage.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Low power consumption
• Wide operating voltage range allows for versatile applications
• Small package size enables space-saving designs
• High accuracy ensures precise voltage monitoring

Disadvantages

• Limited number of pins may restrict additional functionalities
• Manual reset feature may require external circuitry

Working Principles

ADM6321AY43ARJZ-R7 operates by continuously monitoring the supply voltage using an internal voltage comparator. When the voltage drops below the preset threshold, the reset output is asserted. The reset signal remains active for a fixed timeout period after the voltage rises above the threshold. The manual reset input allows for user-initiated resets.

Detailed Application Field Plans

ADM6321AY43ARJZ-R7 finds applications in various electronic devices where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper operation and system integrity by monitoring the supply voltage and initiating resets when necessary.
2. Industrial Control Systems: Providing voltage monitoring and reset capabilities to maintain stable operation of critical equipment.
3. Automotive Electronics: Monitoring battery voltage and initiating resets to prevent malfunctions or damage to electronic systems.
4. Power Management: Enabling efficient power management by monitoring supply voltages and controlling power-up sequences.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ADM6321AY43ARJZ-R7 are:

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

These alternative models provide voltage monitoring and reset functionality, but may have different specifications and package options. It is important to consider the specific requirements of the application when selecting an alternative model.

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