ADM811-3TART-REEL7

Product Overview

Category

ADM811-3TART-REEL7 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: ADM811-3TART-REEL7 monitors the supply voltage and provides 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 brownout condition.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: ADM811-3TART-REEL7 can operate within a wide voltage range, typically from 1.6V to 5.5V.
• Small package size: This IC comes in a small SOT-23 package, which makes it suitable for space-constrained designs.

Package and Quantity

ADM811-3TART-REEL7 is available in a tape and reel packaging format. Each reel contains a specific quantity of ICs, typically 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 3.08V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

ADM811-3TART-REEL7 has the following pin configuration:

____ RESET | | VCC | | GND |____| RESET

Functional Features

1. Voltage Monitoring: ADM811-3TART-REEL7 continuously monitors the supply voltage.
2. Reset Signal Generation: When the voltage falls below the specified threshold, the IC generates a reset signal.
3. Reset Timeout: The device ensures that the reset signal remains active for a specific period to allow proper initialization of the microcontroller or digital circuitry.
4. Manual Reset Input: An external manual reset input allows for immediate system reset when required.

Advantages and Disadvantages

Advantages

• Reliable Voltage Monitoring: ADM811-3TART-REEL7 provides accurate voltage monitoring, ensuring stable operation of electronic devices.
• Low Power Consumption: The IC's low quiescent current helps conserve power in battery-powered applications.
• Small Package Size: Its compact SOT-23 package enables integration into space-constrained designs.

Disadvantages

• Lack of Adjustable Threshold: The fixed reset threshold voltage may not be suitable for all applications requiring different voltage levels.
• Limited Reset Timeout Period: The 140ms timeout period may not be sufficient for certain systems with longer initialization times.

Working Principles

ADM811-3TART-REEL7 operates by comparing the supply voltage against the preset threshold voltage. When the supply voltage drops below the threshold, the IC triggers a reset signal. This signal remains active for a specific timeout period, allowing the system to initialize properly. The IC continuously monitors the voltage, ensuring reliable operation of the connected circuitry.

Application Field Plans

ADM811-3TART-REEL7 finds application in various electronic devices where voltage monitoring and reset functionality are critical. Some potential application fields include: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Industrial automation 4. Consumer electronics 5. Medical devices

Alternative Models

There are several alternative models available in the market that offer similar functionality to ADM811-3TART-REEL7. Some popular alternatives include: 1. MAX811: Manufactured by Maxim Integrated, this IC offers adjustable reset threshold voltage and longer timeout periods. 2. MCP809: Produced by Microchip Technology, it provides a wide range of reset threshold voltage options and additional features like manual reset input. 3. TPS3808: Texas Instruments manufactures this IC with adjustable threshold voltage and programmable timeout period.

These alternative models offer flexibility in terms of voltage thresholds, timeout periods, and additional features, allowing designers to choose the most suitable option for their specific application requirements.

In conclusion, ADM811-3TART-REEL7 is an integrated circuit used for voltage monitoring and reset functions in electronic devices. Its small package size, low power consumption, and wide operating voltage range make it suitable for various applications. However, its fixed threshold voltage and limited timeout period may pose limitations in certain scenarios. Designers can consider alternative models with adjustable parameters to meet specific application needs.