ADM1817-5ART-REEL7

Product Overview

Category

ADM1817-5ART-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: ADM1817-5ART-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 in a known state after power-up or brownout conditions.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: ADM1817-5ART-REEL7 can operate within a wide voltage range, 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

ADM1817-5ART-REEL7 is packaged in a reel containing 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 4.63V
• Reset Timeout Period: 140ms
• Quiescent Current: 2µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

ADM1817-5ART-REEL7 has the following pin configuration:

```

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| | --| RST |-- --| GND |-- --| VCC |-- |_______| ```

Functional Features

1. Voltage Monitoring: ADM1817-5ART-REEL7 continuously monitors the supply voltage.
2. Reset Signal Generation: When the supply voltage falls below the reset threshold, the IC generates a reset signal.
3. Reset Timeout: The device ensures that the reset signal remains active for a specific timeout period after the voltage rises above the threshold.
4. Manual Reset Input: ADM1817-5ART-REEL7 provides an additional pin for manual reset input, allowing external control of the reset function.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-saving designs.

Disadvantages

• Limited reset timeout period may not be suitable for all applications requiring longer delays.
• Lack of adjustable reset threshold voltage limits customization options.

Working Principles

ADM1817-5ART-REEL7 operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the IC triggers the reset signal. The reset signal remains active for a specific timeout period after the voltage rises above the threshold. This ensures that the microcontroller or digital circuitry starts in a known state.

Application Field Plans

ADM1817-5ART-REEL7 finds applications in various electronic devices, including: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Power management circuits 4. Battery-powered devices 5. Industrial automation systems

Alternative Models

Some alternative models to ADM1817-5ART-REEL7 include: 1. MAX809: Manufactured by Maxim Integrated, it offers similar voltage monitoring and reset functions. 2. MCP100: Produced by Microchip Technology, it provides voltage monitoring and reset capabilities with adjustable threshold voltage. 3. TPS3808: Texas Instruments' offering with programmable delay and adjustable threshold voltage for precise reset control.

These alternative models offer similar features and can be considered based on specific application requirements.

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