ADM809RART-REEL

Product Overview

Category

ADM809RART-REEL belongs to the category of voltage monitoring and reset ICs.

Use

This product is primarily used for monitoring the voltage level in electronic circuits and initiating a reset when the voltage falls below a certain threshold.

Characteristics

• Voltage monitoring range: 1.2V to 5.0V
• Reset threshold accuracy: ±1.5%
• Low power consumption: typically 6µA
• Small package size: SOT-23-3
• Wide operating temperature range: -40°C to +85°C

Package and Quantity

ADM809RART-REEL is available in a SOT-23-3 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Supply voltage range: 1.2V to 5.5V
• Reset threshold options: 2.63V, 2.93V, 3.08V, 4.38V, and 4.63V
• Reset timeout period: 140ms (minimum)
• Power-on reset delay: 20ms (typical)
• Quiescent current: 6µA (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

ADM809RART-REEL has three pins arranged as follows:

```

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| | --| VCC | --| RESET | --| GND | |_______| ```

• VCC: Power supply input pin
• RESET: Output pin that goes low when the monitored voltage falls below the threshold
• GND: Ground reference pin

Functional Features

• Monitors the voltage level continuously
• Generates a reset signal when the voltage drops below the set threshold
• Provides a stable reset output during power-up and power-down sequences
• Offers a manual reset input for external control

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems
• Accurate reset threshold ensures reliable operation
• Low power consumption minimizes energy usage
• Small package size enables space-saving designs

Disadvantages

• Limited number of reset threshold options
• Lack of advanced features found in more specialized voltage monitoring ICs

Working Principles

ADM809RART-REEL operates by comparing the monitored voltage with the set threshold. When the voltage falls below the threshold, the reset output is activated, initiating a system reset. The device continuously monitors the voltage level to ensure proper functioning.

Application Field Plans

ADM809RART-REEL finds applications in various electronic systems that require voltage monitoring and reset functionality. Some potential application fields include:

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

Alternative Models

There are several alternative models available in the market that offer similar voltage monitoring and reset capabilities. Some notable alternatives to ADM809RART-REEL include:

1. MAX809: Manufactured by Maxim Integrated, this series offers a wide range of reset threshold options.
2. MCP101: Produced by Microchip Technology, this series provides additional features such as adjustable reset timeout periods.
3. TPS3808: Texas Instruments' offering with low quiescent current and adjustable reset thresholds.

These alternative models can be considered based on specific requirements and desired features.

In conclusion, ADM809RART-REEL is a voltage monitoring and reset IC that offers accurate monitoring, low power consumption, and a compact package. It finds applications in various electronic systems and has alternative models available in the market for different needs.