ADM708RAR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision Monitoring, Reset Output
• Package: SOP-8 (Small Outline Package)
• Essence: Ensures reliable system operation by monitoring the power supply voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period Options: 140ms, 450ms, 1.12s, 2.25s
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADM708RAR IC has a total of 8 pins:

1. VCC: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output
4. MR: Manual reset input
5. RESET OUT: Open-drain reset output
6. RESET OUT: Open-drain reset output
7. RESET OUT: Open-drain reset output
8. RESET OUT: Open-drain reset output

Functional Features

• Monitors the power supply voltage and asserts a reset signal when it falls below the specified threshold
• Provides a precision monitoring solution for microcontrollers and other digital systems
• Offers a manual reset input for external system control
• Low-power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Multiple reset threshold and timeout period options for flexibility - Low-power operation extends battery life in portable devices - Precision monitoring ensures reliable system operation

Disadvantages: - Limited number of available reset threshold and timeout period options - Open-drain reset output may require additional circuitry for certain applications

Working Principles

The ADM708RAR operates by continuously monitoring the power supply voltage. When the voltage falls below the programmed threshold, the IC asserts a reset signal to the system, indicating a power failure or unstable condition. The reset signal remains active until the voltage rises above the threshold or a manual reset is applied.

Detailed Application Field Plans

The ADM708RAR is commonly used in various applications where reliable system operation is critical. Some of the typical application fields include:

1. Microcontroller Systems: Provides voltage supervision for microcontrollers, ensuring proper initialization and preventing erratic behavior during power fluctuations.
2. Industrial Control Systems: Monitors power supply voltage in industrial control systems to prevent data corruption and ensure safe operation.
3. Automotive Electronics: Ensures stable voltage supply to automotive electronic systems, preventing malfunctions and protecting sensitive components.
4. Medical Devices: Voltage supervision in medical devices guarantees reliable operation and patient safety.
5. Consumer Electronics: Used in portable devices, such as smartphones and tablets, to prevent data loss and maintain system integrity during power events.

Detailed and Complete Alternative Models

1. ADM706RAR: Similar voltage supervisor IC with adjustable reset threshold and timeout period options.
2. ADM709RAR: Enhanced version of ADM708RAR with additional features like watchdog timer and power-on reset delay.
3. MAX708RAR: Equivalent IC from a different manufacturer offering similar functionality and specifications.

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