ADM691AARW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Generator
• Characteristics: Low-power, precision voltage monitoring, reset generation
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides reliable voltage monitoring and reset generation for electronic systems
• Packaging/Quantity: Available in tape and reel packaging, quantity per reel varies

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 4.63V, 4.38V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +85°C
• Input Current: 25µA (typical)

Detailed Pin Configuration

The ADM691AARW features a 16-pin SOIC package with the following pin configuration:

1. VCC: Supply Voltage Input
2. GND: Ground
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
9. RESET: Active-Low Reset Output
10. RESET: Active-Low Reset Output
11. RESET: Active-Low Reset Output
12. RESET: Active-Low Reset Output
13. RESET: Active-Low Reset Output
14. RESET: Active-Low Reset Output
15. RESET: Active-Low Reset Output
16. RESET: Active-Low Reset Output

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides a manual reset input for immediate system reset.
• Offers multiple active-low reset outputs for driving various system components.
• Low-power consumption makes it suitable for battery-powered applications.
• Precision voltage monitoring ensures accurate detection of supply voltage variations.

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring and reset generation for electronic systems. - Wide supply voltage range allows compatibility with various power sources. - Multiple reset outputs enable flexible system integration. - Low-power operation prolongs battery life in portable devices. - Precision voltage monitoring ensures system stability.

Disadvantages: - Limited threshold voltage options may not cover all application requirements. - Lack of active-high reset output may limit compatibility with certain system components. - Manual reset input may require external circuitry for proper functionality in some cases.

Working Principles

The ADM691AARW operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold, the IC generates an active-low reset signal. This signal can be used to initiate a system reset or trigger specific actions in the system. The manual reset input allows for immediate system reset when required.

Detailed Application Field Plans

The ADM691AARW finds applications in various electronic systems that require reliable voltage monitoring and reset generation. Some potential application fields include:

1. Microcontroller-based Systems: Ensures proper system initialization and recovery after power disruptions.
2. Industrial Control Systems: Provides fault detection and system recovery capabilities.
3. Automotive Electronics: Monitors critical voltages and initiates system resets in case of voltage drops.
4. Medical Devices: Ensures safe operation and quick recovery from power-related issues.
5. Consumer Electronics: Enhances system reliability and protects against unstable power conditions.

Detailed and Complete Alternative Models

1. ADM708AARW: Similar voltage monitor and reset generator with additional features.
2. MAX809R: Low-power microprocessor reset circuit with adjustable threshold voltage.
3. TPS3808G: Precision voltage supervisor with programmable delay time and manual reset input.

These alternative models offer similar functionality to the ADM691AARW and can be considered based on specific application requirements.

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