ADM691AARN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Generator
• Characteristics: Low-power, precision voltage monitoring, reset generation
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides accurate monitoring of power supply voltages and generates a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 4.63V, or adjustable
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADM691AARN IC has the following pin configuration:

```

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| | --| VCC |-- --| GND |-- --| MR |-- --| RESET |-- --| RESET_OUT |-- --| GND |-- --| VCC |-- |___________| ```

Functional Features

• Accurate monitoring of power supply voltages
• Generates a reset signal when the voltage falls below the specified threshold
• Reset output remains active until the supply voltage rises above the threshold and the reset timeout period elapses
• Adjustable threshold voltage option allows customization for specific applications

Advantages and Disadvantages

Advantages: - Low-power consumption - Precision voltage monitoring - Small form factor - Wide operating voltage range

Disadvantages: - Fixed reset timeout period may not be suitable for all applications - Limited threshold voltage options

Working Principles

The ADM691AARN monitors the power supply voltage using an internal voltage reference and a comparator. When the supply voltage falls below the specified threshold, the reset output is activated. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Application Field Plans

The ADM691AARN is commonly used in various applications where accurate monitoring of power supply voltages and generation of reset signals are critical. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation
4. Power management systems
5. Battery-powered devices

Alternative Models

• ADM690AARN: Similar functionality with different threshold voltage options
• ADM693AARN: Enhanced version with additional features such as watchdog timer

Note: This entry provides a brief overview of the ADM691AARN. For more detailed information, please refer to the product datasheet or contact the manufacturer.

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