ADM803RAKSZ-REEL7

Product Overview

Category

ADM803RAKSZ-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: ADM803RAKSZ-REEL7 monitors the supply voltage and provides a reset signal when the voltage drops below a certain threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts in a known state after power-up or voltage fluctuations.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide range of supply voltages, typically from 1.6V to 5.5V.
• Small package size: ADM803RAKSZ-REEL7 is available in a small SOT-23 package, which is ideal for space-constrained designs.

Package and Quantity

ADM803RAKSZ-REEL7 is packaged in a SOT-23-3 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 2.93V (typical)
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 8µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

ADM803RAKSZ-REEL7 has three pins arranged as follows:

```

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| | --| VDD |-- Pin 1: Supply Voltage (VDD) --| /RESET|-- Pin 2: Reset Output (/RESET) --| GND |-- Pin 3: Ground (GND) |_______| ```

Functional Features

1. Voltage Monitoring: ADM803RAKSZ-REEL7 continuously monitors the supply voltage.
2. Reset Generation: When the supply voltage drops below the reset threshold, the /RESET pin is asserted low, generating a reset signal.
3. Reset Timeout: The device ensures that the reset signal remains active for a specific timeout period after the supply voltage rises above the reset threshold.
4. Manual Reset Input: An external push-button can be connected to the /RESET pin to manually generate a reset signal.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality.
• Low power consumption, suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-constrained designs.

Disadvantages

• Lack of adjustable reset threshold voltage.
• Limited timeout period may not suit all applications.

Working Principles

ADM803RAKSZ-REEL7 utilizes a voltage comparator to monitor the supply voltage. When the voltage drops below the reset threshold, the comparator triggers the generation of a reset signal. This signal remains active for a specific timeout period after the voltage rises above the threshold.

Application Field Plans

ADM803RAKSZ-REEL7 finds applications in various electronic devices where reliable voltage monitoring and reset functionality are required. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Industrial control systems - Consumer electronics

Alternative Models

Here are some alternative models that offer similar functionality to ADM803RAKSZ-REEL7: - MAX803/MAX809 by Maxim Integrated - MCP100 by Microchip Technology - TPS380x by Texas Instruments - LTC293x by Linear Technology

These alternative models provide voltage monitoring and reset functions, but designers should consider their specific features and specifications to choose the most suitable option for their application.

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