ADM809TAKS-REEL

Product Overview

Category

ADM809TAKS-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 generating a reset signal when the voltage falls below a certain threshold.

Characteristics

• Voltage monitoring range: 2.93V to 5.5V
• Low power consumption
• Precision voltage reference
• Adjustable reset threshold
• Power-on reset delay time: 140ms (typical)
• Open-drain reset output
• Small package size: SOT-23-3

Package and Quantity

ADM809TAKS-REEL is available in a small SOT-23-3 package. It is typically sold in reels containing a specific quantity, usually around 3000 units per reel.

Specifications

• Supply Voltage Range: 1.1V to 6.0V
• Reset Threshold Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V, 4.75V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)
• Reset Timeout Period: 200ms (typical)

Pin Configuration

ADM809TAKS-REEL has three pins arranged in a SOT-23-3 package:

1. VDD: Power supply input pin
2. GND: Ground pin
3. RESET: Open-drain reset output pin

Functional Features

• Monitors the voltage level continuously
• Generates a reset signal when the voltage falls below the set threshold
• Provides a stable reset output during power-up and power-down sequences
• Adjustable reset threshold allows flexibility in different applications
• Low power consumption ensures minimal impact on overall system performance

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems
• Adjustable reset threshold provides flexibility in different voltage monitoring scenarios
• Small package size enables space-saving designs
• Low quiescent current minimizes power consumption

Disadvantages

• Limited number of reset threshold options may not suit all applications
• Open-drain output requires an external pull-up resistor for proper operation

Working Principles

ADM809TAKS-REEL operates by continuously monitoring the voltage level at the VDD pin. When the voltage falls below the set threshold, the device generates a reset signal at the RESET pin. This signal remains active until the voltage rises above the threshold again.

The precision voltage reference inside the IC ensures accurate voltage monitoring, while the adjustable reset threshold allows customization according to specific requirements.

Application Field Plans

ADM809TAKS-REEL finds applications in various electronic systems where voltage monitoring and reset functionality are crucial. Some potential application fields include:

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

Alternative Models

Here are some alternative models that offer similar functionality to ADM809TAKS-REEL:

1. MAX809: Manufactured by Maxim Integrated, this series offers a wide range of reset threshold options and package choices.
2. MCP100: Produced by Microchip Technology, this series features low-power consumption and adjustable reset timeout period.
3. TPS380x: Texas Instruments offers this series with various reset threshold options and integrated watchdog timer functionality.

These alternative models provide comparable voltage monitoring and reset capabilities, allowing designers to choose the most suitable option for their specific application requirements.

In conclusion, ADM809TAKS-REEL is a voltage monitoring and reset IC that offers precise voltage monitoring, adjustable reset threshold, and low power consumption. Its small package size and wide supply voltage range make it suitable for various electronic systems. However, designers should consider alternative models based on specific application needs.