ADM691ARZ-REEL7

Product Overview

Category

ADM691ARZ-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 and reset functionality
• Low power consumption
• Wide operating voltage range
• Small form factor
• High accuracy

Package

ADM691ARZ-REEL7 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring reliable operation of electronic systems.

Packaging/Quantity

ADM691ARZ-REEL7 is typically packaged in reels containing a specified quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 4.63V, or adjustable
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-low reset signal

Pin Configuration

ADM691ARZ-REEL7 features an 8-pin SOIC package with the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Active-low reset output
5. RESET: Active-low reset output
6. RESET: Active-low reset output
7. RESET: Active-low reset output
8. RESET: Active-low reset output

Functional Features

• Voltage Monitoring: ADM691ARZ-REEL7 continuously monitors the supply voltage and compares it to the preset threshold voltage.
• Reset Generation: When the supply voltage falls below the threshold, the device generates an active-low reset signal.
• Manual Reset: The manual reset input (MR) allows for a forced reset regardless of the monitored voltage level.
• Reset Timeout: After the supply voltage rises above the threshold, the reset signal remains active for a specified timeout period to ensure stable system operation.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Wide operating voltage range allows for versatile applications
• Low power consumption enhances energy efficiency
• Small form factor enables integration into compact electronic devices
• High accuracy ensures precise voltage monitoring

Disadvantages

• Limited number of reset outputs may restrict certain system configurations
• Lack of adjustable reset timeout duration may not suit all application requirements

Working Principles

ADM691ARZ-REEL7 operates based on a voltage comparator circuit. It compares the supply voltage with the preset threshold voltage. If the supply voltage drops below the threshold, the device triggers the reset signal. The reset signal remains active for a specific timeout period after the supply voltage rises above the threshold, ensuring stable system operation.

Detailed Application Field Plans

ADM691ARZ-REEL7 finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing erratic behavior due to voltage fluctuations.
2. Industrial Control Systems: Providing reliable reset functionality to maintain system integrity and prevent data corruption during power disruptions.
3. Automotive Electronics: Monitoring critical voltage levels to protect sensitive components and ensure safe operation.
4. Power Supply Units: Enabling automatic restart or shutdown sequences based on voltage conditions to protect connected devices.

Detailed and Complete Alternative Models

1. ADM708ARZ: Similar voltage monitoring and reset IC with adjustable reset timeout period.
2. MAX809R: Low-power microprocessor reset IC with a wide range of reset threshold voltage options.
3. MCP101T: Voltage supervisor IC with adjustable reset threshold and manual reset input.

These alternative models offer similar functionality to ADM691ARZ-REEL7 and can be considered based on specific application requirements.

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