ADM1817-5AKSZ-REEL

Product Overview

Category

ADM1817-5AKSZ-REEL belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems.

Characteristics

• Voltage Range: 1.8V to 5.5V
• Low Power Consumption
• Small Package Size
• Wide Operating Temperature Range
• Adjustable Reset Timeout Period

Package

ADM1817-5AKSZ-REEL is available in a small surface-mount package.

Essence

The essence of this product lies in its ability to ensure stable and reliable operation of electronic systems by monitoring the voltage levels and providing reset signals when necessary.

Packaging/Quantity

ADM1817-5AKSZ-REEL is typically packaged in reels and is available in quantities suitable for both prototyping and mass production.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: Adjustable
• Reset Timeout Period: Adjustable
• Quiescent Current: <1µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Detailed Pin Configuration

ADM1817-5AKSZ-REEL has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output

Functional Features

• Voltage Monitoring: ADM1817-5AKSZ-REEL continuously monitors the supply voltage and asserts the reset signal when it falls below the specified threshold.
• Adjustable Reset Timeout: The reset timeout period can be adjusted to suit the specific requirements of the system.
• Manual Reset Input: The MR pin allows for manual reset, enabling external control over the reset function.
• Power-On Reset: The device provides a reset signal upon power-up to ensure proper initialization of the system.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for compatibility with various systems.
• Low power consumption helps in conserving energy.
• Small package size facilitates space-constrained designs.
• Adjustable reset timeout period offers flexibility in system design.
• Manual reset input allows for external control over the reset function.

Disadvantages

• Lack of built-in hysteresis may result in potential noise-related issues during voltage transitions.
• Limited number of available alternative models from the same manufacturer.

Working Principles

ADM1817-5AKSZ-REEL operates by comparing the supply voltage with the preset threshold. When the voltage falls below the threshold, the reset output is asserted. The reset signal remains active until the voltage rises above the threshold or the reset timeout period elapses.

Detailed Application Field Plans

ADM1817-5AKSZ-REEL finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper initialization and stable operation of these devices.
2. Communication Systems: Providing reset signals to recover from voltage fluctuations or power interruptions.
3. Industrial Control Systems: Monitoring voltage levels to prevent damage to sensitive components.
4. Automotive Electronics: Ensuring safe and reliable operation of automotive systems.

Detailed and Complete Alternative Models

While ADM1817-5AKSZ-REEL is a reliable voltage supervisor, there are alternative models available from other manufacturers that offer similar functionality. Some notable alternatives include:

1. MAX809: Manufactured by Maxim Integrated, this voltage supervisor offers adjustable reset timeout and low power consumption.
2. TPS3839: Texas Instruments' voltage supervisor with adjustable threshold voltage and manual reset input.
3. MCP1316: Microchip's voltage supervisor with a wide operating temperature range and small package size.

These alternative models provide options for designers to choose the most suitable voltage supervisor for their specific application requirements.

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