ADM691AARNZ-REEL

Product Overview

Category

ADM691AARNZ-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

ADM691AARNZ-REEL 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 proper functioning of electronic devices.

Packaging/Quantity

ADM691AARNZ-REEL is typically packaged in reels and is available in large quantities to meet the demands of electronic manufacturers.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: Adjustable from 2.32V to 4.63V
• Reset Timeout Period: Fixed at 140ms
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low
• Quiescent Current: 10µA (typical)

Pin Configuration

ADM691AARNZ-REEL has a total of 8 pins:

1. VCC: Power supply input
2. GND: Ground connection
3. MR: Manual reset input
4. RESET: Active-low reset output
5. RESET#: Complementary reset output
6. VTH: Voltage threshold adjust
7. CT: Capacitor connection for reset timeout adjustment
8. VREF: Reference voltage output

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the adjustable threshold voltage.
• Provides a manual reset option through the MR pin.
• Offers a fixed reset timeout period to ensure proper system recovery.
• Generates an active-low reset output signal for interfacing with other components.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various electronic devices.
• Adjustable threshold voltage provides flexibility in different applications.
• Low power consumption helps conserve energy.
• Small package size enables space-saving designs.
• High accuracy ensures reliable voltage monitoring.

Disadvantages

• Fixed reset timeout period may not be suitable for all applications requiring longer or shorter timeouts.
• Lack of complementary reset output (RESET#) in some versions may limit compatibility with certain systems.

Working Principles

ADM691AARNZ-REEL operates by continuously monitoring the supply voltage. When the voltage falls below the adjustable threshold, the IC generates a reset signal. This signal remains active until the voltage rises above the threshold or a manual reset is triggered.

The reset timeout period ensures that the system remains in a reset state for a specific duration, allowing sufficient time for stabilization before normal operation resumes.

Detailed Application Field Plans

ADM691AARNZ-REEL finds applications in various electronic devices where voltage monitoring and reset functionality are crucial. Some common application fields include:

1. Microcontrollers: Ensures proper initialization and reliable operation of microcontroller-based systems.
2. Embedded Systems: Provides a reset signal to ensure stable operation of embedded systems.
3. Power Management: Monitors voltage levels in power management circuits to prevent damage due to undervoltage conditions.
4. Industrial Control Systems: Facilitates safe and controlled operation of industrial control systems by resetting them during voltage fluctuations.
5. Automotive Electronics: Ensures the integrity of automotive electronics by monitoring voltage levels and initiating resets when necessary.

Detailed and Complete Alternative Models

1. ADM708ARZ: Similar voltage monitoring and reset IC with adjustable threshold voltage and fixed reset timeout period.
2. ADM6320CZ29ARJZ-R7: Voltage monitoring and reset IC with fixed threshold voltage and adjustable reset timeout period.
3. MAX809REUR+T: Low-power microprocessor reset circuit with fixed threshold voltage and adjustable reset timeout period.

These alternative models offer similar functionality to ADM691AARNZ-REEL and can be considered as alternatives based on specific application requirements.

Word count: 526 words