ADM709MAR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Monitors and controls the voltage level of a system
• Package: SOP-8 (Small Outline Package)
• Essence: Ensures stable operation by monitoring 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, and Adjustable
• Reset Timeout Period Options: 140ms, 450ms, and 1.12s
• 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: 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

Functional Features

• Monitors the power supply voltage and asserts a reset signal when it falls below a specified threshold
• Provides a manual reset input for immediate system reset
• Offers multiple reset timeout period options for flexibility in different applications
• Low quiescent current consumption for power efficiency
• Wide operating voltage range allows compatibility with various systems

Advantages

• Reliable voltage supervision ensures system stability and prevents data corruption or malfunctions caused by low voltage conditions
• Flexible reset threshold and timeout period options cater to different system requirements
• Small package size enables space-saving integration into compact designs
• Low power consumption contributes to energy-efficient operation

Disadvantages

• Limited number of reset outputs may restrict usage in complex systems requiring multiple reset signals
• Adjustable reset threshold option may require additional external components for precise voltage setting

Working Principles

The ADM709MAR is a voltage supervisor IC that continuously monitors the power supply voltage. It compares the voltage level with a preset threshold and asserts a reset signal when the voltage falls below the threshold. The reset signal remains active until the voltage rises above the threshold or a manual reset input is triggered. The ADM709MAR offers various threshold voltage options and timeout periods to accommodate different system requirements.

Detailed Application Field Plans

1. Embedded Systems: Provides reliable voltage monitoring and reset functionality in microcontroller-based systems, ensuring stable operation even under fluctuating power supply conditions.
2. Industrial Automation: Ensures uninterrupted operation of critical control systems by monitoring the power supply voltage and initiating a reset if it falls below the specified threshold.
3. Automotive Electronics: Protects sensitive electronic components from voltage fluctuations, preventing potential damage and maintaining system reliability.
4. Consumer Electronics: Enhances the performance and longevity of electronic devices by monitoring the power supply voltage and preventing malfunctions caused by low voltage conditions.

Detailed and Complete Alternative Models

1. ADM708MAR: Similar voltage supervisor IC with adjustable reset threshold and timeout period options.
2. ADM811MAR: Voltage supervisor IC with fixed reset threshold and adjustable reset timeout period.
3. MAX809MAR: Low-power voltage monitor IC with fixed reset threshold and timeout period options.

(Note: The alternative models listed above are just a few examples. There are several other alternatives available in the market.)

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