ADM811TART-REEL7

Product Overview

Category

ADM811TART-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: ADM811TART-REEL7 monitors the supply voltage and provides a reset signal when the voltage drops below a certain 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: ADM811TART-REEL7 can operate within a wide range of supply voltages, typically from 1.6V to 5.5V.
• Small package size: This IC is available in a small SOT-23 package, which makes it suitable for space-constrained designs.

Package and Quantity

ADM811TART-REEL7 is packaged in a tape and reel format, containing a specified quantity of ICs per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: Typically 2.93V
• Reset Timeout Period: Typically 140ms
• Quiescent Current: Typically 8µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Pin Configuration

ADM811TART-REEL7 has three pins:

1. VCC: Connect this pin to the positive supply voltage.
2. GND: Connect this pin to the ground reference.
3. RESET: This pin outputs the reset signal to the microcontroller or digital circuitry.

Functional Features

• Voltage Monitoring: ADM811TART-REEL7 continuously monitors the supply voltage and compares it to the preset threshold voltage.
• Reset Signal Generation: When the supply voltage drops below the threshold, the device generates a reset signal on the RESET pin.
• Reset Timeout: The reset signal remains active for a specified timeout period after the supply voltage rises above the threshold again.
• Manual Reset Input: ADM811TART-REEL7 provides an additional pin for manual reset input, allowing external control of the reset function.

Advantages and Disadvantages

Advantages

• Reliable Power-On Reset: Ensures proper initialization of microcontrollers and digital circuits.
• Low Power Consumption: Suitable for battery-powered applications, extending battery life.
• Wide Operating Voltage Range: Compatible with various supply voltages.
• Small Package Size: Ideal for space-constrained designs.

Disadvantages

• Lack of Adjustable Threshold: The threshold voltage is fixed and cannot be adjusted.

Working Principles

ADM811TART-REEL7 operates based on a voltage comparator circuit. It continuously compares the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the device generates a reset signal. This signal remains active for a specific timeout period after the supply voltage rises above the threshold again. The reset signal ensures that the microcontroller or digital circuitry starts operating correctly.

Application Field Plans

ADM811TART-REEL7 finds applications in various electronic devices where reliable power-on reset functionality is required. Some potential application fields include: - Microcontroller-based systems - Embedded systems - Battery-powered devices - Industrial automation - Consumer electronics

Alternative Models

Several alternative models provide similar functionality to ADM811TART-REEL7. Some popular alternatives include: - MAX811TART-REEL7 - MCP809T-450I/TT - TPS3808G01DBVR

These alternative models offer comparable voltage monitoring and reset features, but designers should consider specific requirements and specifications before selecting the most suitable option.

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