ADM6918XABT1

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: High accuracy, low power consumption
• Package: 8-pin SOIC
• Essence: Monitors voltage levels and provides reset signals
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.93V, 3.08V, 3.15V, 4.63V, 4.75V, 4.88V
• Reset Timeout Period: 140ms, 450ms, 1.12s, 2.25s, 4.5s, 9s
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADM6918XABT1 has the following pin configuration:

1. RESET: Reset output
2. GND: Ground
3. MR: Manual reset input
4. VCC: Supply voltage
5. RESET: Reset output
6. RESET: Reset output
7. RESET: Reset output
8. RESET: Reset output

Functional Features

• Monitors supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides a manual reset input for immediate system reset.
• Offers multiple reset timeout options to suit different application requirements.
• Low quiescent current consumption ensures minimal power usage.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring voltage levels. - Wide supply voltage range allows for versatile applications. - Multiple reset threshold and timeout options provide flexibility. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited pin configuration options. - May require additional external components for specific applications.

Working Principles

The ADM6918XABT1 is a voltage supervisor integrated circuit that continuously monitors the supply voltage. When the voltage falls below a predetermined threshold, it generates a reset signal to initiate system reset. The device also includes a manual reset input, allowing for immediate system reset when required. The reset timeout period can be adjusted to suit different application needs.

Detailed Application Field Plans

The ADM6918XABT1 is commonly used in various electronic systems where reliable voltage monitoring and system reset functionality are crucial. Some typical application fields include:

1. Microcontrollers: Ensures proper system initialization and prevents erratic behavior during power-up or brownout conditions.
2. Industrial Control Systems: Provides fault detection and system recovery capabilities in critical control applications.
3. Automotive Electronics: Monitors battery voltage and initiates system reset if necessary, ensuring safe and reliable operation.
4. Medical Devices: Ensures proper functioning of medical equipment by monitoring power supply integrity and initiating system reset if voltage drops below acceptable levels.

Detailed and Complete Alternative Models

1. ADM708R: Similar voltage supervisor IC with adjustable reset threshold and timeout options.
2. MAX809: Low-power microprocessor reset circuits with various reset timeout periods.
3. TPS3808: Precision voltage supervisor with programmable reset threshold and watchdog timer functionality.
4. LTC2937: Dual-supply monitor and reset generator with adjustable thresholds and manual reset input.

These alternative models offer similar functionality and can be considered as alternatives to the ADM6918XABT1 based on specific application requirements.

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