ADM812RART-REEL

Product Overview

Category

ADM812RART-REEL belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: ADM812RART-REEL is designed to monitor the power supply voltage and provide a reset signal when the voltage falls below a specified threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts operating correctly after power-up or a voltage drop.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: ADM812RART-REEL can operate within a wide voltage range, typically from 1.6V to 5.5V.
• Adjustable reset threshold: The reset threshold voltage can be set using external resistors, allowing flexibility in different applications.

Package and Quantity

ADM812RART-REEL is available in a small SOT-23 package. It is typically sold in reels containing a large quantity of units, making it suitable for mass production.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Range: Adjustable through external resistors
• Quiescent Current: Typically 7µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Pin Configuration

ADM812RART-REEL has three pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin for the reset signal.

Functional Features

• Voltage Monitoring: ADM812RART-REEL continuously monitors the supply voltage.
• Reset Signal Generation: When the supply voltage drops below the set threshold, the device generates a reset signal.
• Adjustable Threshold: The reset threshold voltage can be adjusted using external resistors.
• Power-On Reset Delay: ADM812RART-REEL provides a fixed delay time to ensure stable power-on reset operation.

Advantages and Disadvantages

Advantages

• Reliable Voltage Monitoring: Ensures proper functioning of digital circuitry by providing a reset signal when the voltage drops below the threshold.
• Low Power Consumption: Suitable for battery-powered applications due to its low quiescent current.
• Adjustable Threshold: Offers flexibility in different applications by allowing the reset threshold voltage to be adjusted.

Disadvantages

• Limited Reset Delay Options: The device provides a fixed delay time for power-on reset, which may not be suitable for all applications requiring specific timing requirements.

Working Principles

ADM812RART-REEL operates by continuously monitoring the supply voltage. When the voltage falls below the set threshold, the device generates a reset signal. This signal remains active until the voltage rises above the threshold again. The reset threshold voltage can be adjusted using external resistors, allowing customization for different applications.

Application Field Plans

ADM812RART-REEL finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Industrial control systems - Consumer electronics - Automotive electronics

Alternative Models

Here are some alternative models that offer similar functionality to ADM812RART-REEL:

1. MAX809: Manufactured by Maxim Integrated, this IC provides voltage monitoring and reset functions with adjustable threshold options.
2. MCP101: Produced by Microchip Technology, this IC offers voltage monitoring and reset capabilities with low power consumption.
3. TPS3808: Texas Instruments manufactures this IC, which features adjustable threshold voltage and low quiescent current.

These alternative models provide similar functionality to ADM812RART-REEL and can be considered as alternatives based on specific application requirements.

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