ADM691ARZ-REEL

Product Overview

Category

ADM691ARZ-REEL 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

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

Essence

The essence of ADM691ARZ-REEL lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels and is available in large quantities.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: Adjustable from 2.32V to 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Push-Pull

Detailed Pin Configuration

ADM691ARZ-REEL has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Active-low reset output

Functional Features

• Voltage Monitoring: ADM691ARZ-REEL continuously monitors the input voltage and compares it with the user-adjustable threshold voltage.
• Reset Generation: When the monitored voltage falls below the threshold voltage, ADM691ARZ-REEL generates an active-low reset signal.
• Manual Reset: The manual reset input allows the user to force a reset regardless of the monitored voltage level.
• Reset Timeout: ADM691ARZ-REEL includes a user-adjustable reset timeout period, after which the reset signal is released.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited reset timeout period options
• Lack of additional advanced features compared to some alternative models

Working Principles

ADM691ARZ-REEL operates by continuously monitoring the input voltage using an internal voltage comparator. When the voltage falls below the user-adjustable threshold, the reset output is activated. The manual reset input provides an override option, allowing the user to force a reset regardless of the monitored voltage level. The reset timeout feature ensures that the reset signal is released after a user-defined period.

Detailed Application Field Plans

ADM691ARZ-REEL finds applications in various electronic devices where reliable voltage monitoring and reset functionality are crucial. Some specific application areas include:

1. Microcontrollers: Ensuring proper operation by monitoring supply voltage and initiating a reset if necessary.
2. Industrial Control Systems: Preventing malfunctions by monitoring power supply voltage and triggering a reset when required.
3. Automotive Electronics: Protecting sensitive components by monitoring voltage levels and initiating a reset in case of voltage fluctuations or failures.
4. Battery-Powered Devices: Extending battery life by monitoring voltage levels and initiating a reset when the battery voltage drops below a certain threshold.

Detailed and Complete Alternative Models

Some alternative models to ADM691ARZ-REEL with similar functionality include:

1. MAX691A: Manufactured by Maxim Integrated, this IC offers voltage monitoring and reset functions with adjustable thresholds and timeout periods.
2. LTC2910: Produced by Linear Technology, this IC provides precision voltage monitoring and reset capabilities with adjustable thresholds and timeout periods.
3. TPS3808: Texas Instruments offers this IC with programmable voltage monitoring and reset features, suitable for a wide range of applications.

These alternative models offer similar functionality to ADM691ARZ-REEL and can be considered as alternatives based on specific requirements.

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