ADM803MAKSZ-REEL7

Product Overview

Category

ADM803MAKSZ-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: ADM803MAKSZ-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 brownout conditions.
• 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: ADM803MAKSZ-REEL7 is available in a small SOT-23 package, which is ideal for space-constrained designs.

Package and Quantity

ADM803MAKSZ-REEL7 is packaged in a SOT-23-3 package. It is typically sold in reels containing a specified quantity of units, such as 3000 pieces per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 2.93V (typical)
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 4µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

ADM803MAKSZ-REEL7 has three pins arranged in a specific configuration:

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

Functional Features

• Voltage Monitoring: ADM803MAKSZ-REEL7 continuously monitors the supply voltage.
• Reset Generation: When the supply voltage drops below the reset threshold, the device generates a reset signal on the RESET pin.
• Reset Timeout: The reset signal remains active for a specific timeout period after the supply voltage rises above the reset threshold.

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 timeout period may not be suitable for certain applications requiring longer timeouts.
• Lack of additional features such as adjustable reset thresholds or programmable timeout periods.

Working Principles

ADM803MAKSZ-REEL7 operates by comparing the supply voltage with a fixed threshold. When the supply voltage drops below this threshold, the internal circuitry triggers the generation of a reset signal. This signal remains active for a specific timeout period after the supply voltage rises above the threshold again.

Application Field Plans

ADM803MAKSZ-REEL7 finds applications in various electronic devices where reliable voltage monitoring and reset functions are required. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Industrial control systems - Power management circuits - Battery-powered devices

Alternative Models

There are several alternative models available that offer similar voltage monitoring and reset functionalities. Some popular alternatives to ADM803MAKSZ-REEL7 include: - MAX803/MAX809 from Maxim Integrated - MCP100 from Microchip Technology - TPS380x from Texas Instruments

These alternative models provide different features and specifications, allowing designers to choose the most suitable option based on their specific requirements.

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