ADM812SART-REEL7

Product Overview

Category

ADM812SART-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: ADM812SART-REEL7 monitors the supply voltage and provides a reset signal when the voltage drops below a specified threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts operating only when the power supply voltage reaches a stable level.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Small package size: ADM812SART-REEL7 is available in a compact surface-mount package, allowing for space-efficient designs.
• RoHS compliant: This product meets the Restriction of Hazardous Substances directive, ensuring environmental friendliness.

Package and Quantity

ADM812SART-REEL7 is packaged in a tape and reel format, containing a specific quantity of units per reel. Please refer to the manufacturer's documentation for detailed packaging information.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.32V, 2.55V, 2.93V, 3.08V, 4.38V, 4.63V
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

ADM812SART-REEL7 has the following pin configuration:

```

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| | --| RESET |-- --| GND |-- --| VCC |-- |_______| ```

Functional Features

1. Voltage Monitoring: ADM812SART-REEL7 continuously monitors the supply voltage.
2. Reset Signal Generation: When the voltage drops below the specified threshold, the device generates a reset signal.
3. Reset Timeout: The reset signal remains active for a specific timeout period after the voltage rises above the threshold.
4. Manual Reset Input: An external push-button can be connected to the RESET pin for manual reset functionality.
5. Power-On Reset: ADM812SART-REEL7 provides a power-on reset signal during system startup.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption extends battery life in portable devices.
• Small package size allows for compact designs.
• RoHS compliance ensures environmental safety.

Disadvantages

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

Working Principles

ADM812SART-REEL7 operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. The reset signal remains active for a predefined timeout period after the voltage rises above the threshold, ensuring stable operation of the microcontroller or digital circuitry.

Application Field Plans

ADM812SART-REEL7 finds applications in various electronic devices where voltage monitoring and reset functions are critical. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Industrial automation - Consumer electronics - Medical devices

Alternative Models

Several alternative models with similar functionality are available in the market. Some popular alternatives to ADM812SART-REEL7 include: - MAX809 series from Maxim Integrated - MCP101 series from Microchip Technology - TPS380x series from Texas Instruments

These alternative models offer different threshold voltage options, package sizes, and additional features. It is recommended to review the datasheets of these alternatives to select the most suitable option for specific application requirements.

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