ADM809JARTZ-REEL

Product Overview

Category

ADM809JARTZ-REEL 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: ADM809JARTZ-REEL is designed to monitor the power supply voltage and provide a reset signal when it falls below a specified threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts operating correctly after power-up or a brownout condition.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: ADM809JARTZ-REEL can operate within a wide voltage range, typically from 1.1V to 5.0V.
• Small package size: This IC is available in a small SOT-23 package, which makes it suitable for space-constrained designs.

Package and Quantity

ADM809JARTZ-REEL is packaged in a reel format, containing a specific quantity of ICs per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 1.1V to 5.0V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Quiescent Current: 7µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Pin Configuration

ADM809JARTZ-REEL has three pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin for the reset signal.

Functional Features

• Voltage Monitoring: ADM809JARTZ-REEL continuously monitors the supply voltage.
• Reset Generation: When the supply voltage falls below the specified threshold, the device generates a reset signal.
• Precision: The IC provides accurate voltage monitoring and reset functionality.
• Power-On Reset Delay: It ensures that the reset signal is held active for a specific duration after power-up to allow the system to stabilize.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption.
• Wide operating voltage range.
• Small package size for space-constrained designs.

Disadvantages

• Limited reset threshold voltage options.
• May not be suitable for applications requiring higher precision or specialized features.

Working Principles

ADM809JARTZ-REEL operates by comparing the supply voltage with the internally set threshold voltage. When the supply voltage drops below the threshold, the device triggers the reset signal. This ensures that the connected microcontroller or digital circuitry starts in a known state.

The IC utilizes an internal voltage reference and comparator to monitor the supply voltage. It continuously compares the voltage at the VCC pin with the preset threshold voltage. If the voltage falls below the threshold, the RESET pin is driven low, indicating a reset condition.

Application Field Plans

ADM809JARTZ-REEL finds applications in various electronic devices where voltage monitoring and reset functions are critical. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontrollers.
2. Embedded Systems: Providing a reset mechanism for embedded systems to recover from power-related issues.
3. Industrial Control Systems: Monitoring power supply voltage in industrial control systems to prevent data corruption or equipment malfunction.
4. Battery-Powered Devices: Extending battery life by implementing efficient power management and reset functionality.

Alternative Models

There are several alternative models available in the market that offer similar voltage monitoring and reset functionality. Some popular alternatives to ADM809JARTZ-REEL include:

1. MAX809: Manufactured by Maxim Integrated, it offers a wide range of threshold voltage options.
2. MCP100: Produced by Microchip Technology, it provides additional features like manual reset input and adjustable reset timeout.
3. TPS3808: Texas Instruments manufactures this IC with ultra-low power consumption and programmable reset delay.

These alternative models can be considered based on specific application requirements, desired features, and availability.

In conclusion, ADM809JARTZ-REEL is an integrated circuit used for voltage monitoring and reset functions. It offers reliable performance, low power consumption, and a wide operating voltage range. With its small package size, it is suitable for various electronic devices. However, it has limited reset threshold voltage options and may not fulfill specialized requirements. The IC operates by comparing the supply voltage with a preset threshold and generates a reset signal when necessary. It finds applications in microcontrollers, embedded systems, industrial control systems, and battery-powered devices. Alternative models such as MAX809, MCP