ADM809MAKSZ-REEL7

Product Overview

Category

ADM809MAKSZ-REEL7 belongs to the category of voltage monitoring and reset ICs (Integrated Circuits).

Use

This product is primarily used for monitoring the voltage level in electronic systems and providing a reset signal when the voltage falls below a certain threshold.

Characteristics

• Voltage monitoring range: 2.93V to 5.5V
• Reset threshold accuracy: ±1.5%
• Low power consumption: typically 6µA
• Small package size: SOT-23-3
• Wide operating temperature range: -40°C to +85°C

Package

ADM809MAKSZ-REEL7 is packaged in a SOT-23-3 package, which is a small surface-mount package with three pins.

Essence

The essence of ADM809MAKSZ-REEL7 lies in its ability to monitor the voltage level and provide a reliable reset signal to ensure proper functioning of electronic systems.

Packaging/Quantity

This product is typically available in reels containing 3000 units.

Specifications

• Supply voltage range: 1.1V to 5.5V
• Reset threshold options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Reset timeout period: 140ms (minimum)
• Quiescent current: 6µA (typical)
• Power-on reset delay: 100ms (typical)

Detailed Pin Configuration

ADM809MAKSZ-REEL7 has three pins:

1. VCC: This pin is connected to the supply voltage.
2. GND: This pin is connected to the ground.
3. RESET: This pin outputs the reset signal when the voltage falls below the threshold.

Functional Features

• Voltage monitoring: ADM809MAKSZ-REEL7 continuously monitors the supply voltage.
• Reset signal generation: When the voltage falls below the threshold, the RESET pin goes low, indicating a reset condition.
• Manual reset input: An external push-button can be connected to the RESET pin for manual reset functionality.
• Power-on reset delay: The device ensures a stable reset signal during power-up with a fixed delay of 100ms.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• Accurate reset threshold ensures reliable operation.
• Low power consumption minimizes energy usage.
• Small package size enables space-saving designs.
• Power-on reset delay provides stability during system startup.

Disadvantages

• Limited reset threshold options may not suit all applications.
• Lack of adjustable timeout period may restrict customization.

Working Principles

ADM809MAKSZ-REEL7 operates by comparing the supply voltage with the preset threshold. When the voltage drops below the threshold, the internal circuitry triggers the RESET pin to go low, indicating a reset condition. The device continuously monitors the voltage level and generates the reset signal until the voltage rises above the threshold again.

Detailed Application Field Plans

ADM809MAKSZ-REEL7 finds applications in various electronic systems where voltage monitoring and reliable reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and recovery after power disruptions.
2. Embedded Systems: Providing a reset signal to bring the system back to a known state.
3. Industrial Control Systems: Monitoring power supply integrity and initiating system resets if necessary.
4. Communication Equipment: Maintaining system stability by resetting in case of voltage fluctuations.
5. Automotive Electronics: Ensuring safe operation by resetting critical components during voltage dips.

Detailed and Complete Alternative Models

1. ADM803: Similar voltage monitoring and reset IC with adjustable reset threshold.
2. MAX809: Voltage monitoring and reset IC with additional watchdog timer functionality.
3. MCP102: Low-power voltage monitor with adjustable reset threshold and manual reset input.

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

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