ADM809LARTZ-REEL7

Product Overview

Category

ADM809LARTZ-REEL7 belongs to the category of voltage supervisors or reset ICs.

Use

It is primarily used to monitor the power supply voltage in electronic systems and ensure proper system operation.

Characteristics

• Voltage monitoring: ADM809LARTZ-REEL7 monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold.
• Low power consumption: It operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: The device can operate within a wide voltage range, typically from 1.2V to 5.5V.
• Adjustable reset threshold: The reset threshold voltage can be adjusted using external resistors.
• Precision voltage reference: It incorporates a precision voltage reference to ensure accurate voltage monitoring.

Package

ADM809LARTZ-REEL7 is available in a small SOT-23 package.

Essence

The essence of ADM809LARTZ-REEL7 lies in its ability to monitor the power supply voltage and generate a reset signal to ensure proper system operation.

Packaging/Quantity

The device is typically packaged in reels containing a specific quantity, such as 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage: Adjustable (typically 2.93V)
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Detailed Pin Configuration

ADM809LARTZ-REEL7 has three pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that generates a reset signal when the monitored voltage falls below the threshold.

Functional Features

1. Voltage Monitoring: ADM809LARTZ-REEL7 continuously monitors the power supply voltage.
2. Reset Generation: When the voltage falls below the specified threshold, it generates a reset signal.
3. Adjustable Threshold: The reset threshold voltage can be adjusted using external resistors.
4. Precision Reference: It incorporates a precision voltage reference for accurate monitoring.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring for proper system operation.
• Low power consumption, suitable for battery-powered applications.
• Wide operating voltage range for compatibility with various systems.
• Adjustable reset threshold for flexibility.
• Incorporates a precision voltage reference for accuracy.

Disadvantages

• Limited to voltage monitoring and reset generation functionality.
• Requires external resistors for threshold adjustment.

Working Principles

ADM809LARTZ-REEL7 operates by comparing the power supply voltage with the adjustable threshold voltage. When the voltage drops below the threshold, the device triggers the reset signal. This ensures that the system is properly reset and starts functioning correctly.

Detailed Application Field Plans

ADM809LARTZ-REEL7 finds applications in various electronic systems where reliable voltage monitoring and reset generation are crucial. Some of the common application fields include:

1. Microcontrollers: It ensures proper reset and initialization of microcontroller-based systems.
2. Embedded Systems: Provides voltage supervision for stable operation of embedded systems.
3. Industrial Control Systems: Monitors power supply voltage in industrial control systems to prevent malfunctions.
4. Automotive Electronics: Ensures reliable voltage monitoring in automotive electronic systems.
5. Battery-Powered Devices: Suitable for portable devices powered by batteries, such as smartphones, tablets, and wearables.

Detailed and Complete Alternative Models

1. MAX809: A similar voltage supervisor IC offered by Maxim Integrated.
2. MCP101: Voltage supervisor IC from Microchip Technology.
3. TPS3808: Texas Instruments' voltage supervisor with adjustable threshold.

These alternative models provide similar functionality to ADM809LARTZ-REEL7 and can be considered as alternatives based on specific requirements.

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