ADM708AN

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Precision monitoring, low power consumption, small package size
• Package: 8-pin DIP (Dual In-line Package)
• Essence: Monitors the voltage level of a system and provides a reset signal when necessary
• Packaging/Quantity: Available in reels or tubes, quantity depends on supplier

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.6V to 4.6V
• Reset Timeout Period: Fixed at 140ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output
5. RESET: Reset output
6. RESET: Reset output
7. RESET: Reset output
8. RESET: Reset output

Functional Features

• Monitors the supply voltage and asserts the reset signal when it falls below the threshold voltage.
• Provides a manual reset input for immediate system reset.
• Multiple reset outputs for different system components.
• Low power consumption, suitable for battery-powered applications.
• Precision monitoring ensures accurate detection of voltage levels.

Advantages

• Small package size allows for space-saving integration into compact designs.
• Wide supply voltage range enables compatibility with various systems.
• Adjustable reset threshold voltage offers flexibility in different applications.
• Fixed reset timeout period ensures reliable system reset.
• Multiple reset outputs cater to complex system architectures.

Disadvantages

• Fixed reset timeout period may not be suitable for all applications requiring longer timeouts.
• Limited number of reset outputs may restrict usage in highly complex systems.
• Lack of built-in protection features against voltage spikes or transients.

Working Principles

ADM708AN operates by continuously monitoring the supply voltage. When the voltage falls below the adjustable threshold, it asserts the reset signal. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered. The IC's internal circuitry ensures accurate voltage monitoring and reliable reset functionality.

Detailed Application Field Plans

• Embedded Systems: ADM708AN can be used in microcontroller-based systems to ensure proper initialization and reliable operation.
• Industrial Automation: It can be employed in control systems to monitor power supply integrity and provide timely resets if necessary.
• Automotive Electronics: Used in automotive applications to supervise critical voltage levels and initiate system resets when required.
• Medical Devices: ADM708AN ensures the safe operation of medical equipment by monitoring voltage levels and triggering resets if needed.

Detailed and Complete Alternative Models

• ADM709: Similar to ADM708AN but with an adjustable reset timeout period.
• ADM810: Offers additional features like watchdog timer and power-on reset.
• MAX809: Provides similar voltage monitoring and reset functionality with different package options.
• MCP131: Low-power voltage supervisor with adjustable reset threshold and timeout period.

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