MAX631AMJA/883B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: High accuracy, low power consumption
• Package: Ceramic DIP (Dual In-line Package)
• Essence: Monitors supply voltage and provides a reset signal
• Packaging/Quantity: Tube packaging, 25 units per tube

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.93V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX631AMJA/883B has a total of 8 pins:

1. VCC: Positive supply voltage input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Active-low reset output
5. RESET: Active-low reset output
6. RESET: Active-low reset output
7. RESET: Active-low reset output
8. VCC: Positive supply voltage input

Functional Features

• Monitors the supply voltage and generates a reset signal when the voltage falls below a specified threshold.
• Provides a manual reset input for immediate system reset.
• Multiple reset timeout period options allow customization based on application requirements.
• Low power consumption ensures minimal impact on overall system power budget.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring supply voltage. - Wide supply voltage range allows compatibility with various systems. - Multiple reset threshold and timeout period options provide flexibility. - Ceramic DIP package offers durability and reliability.

Disadvantages: - Limited pin configuration options. - Manual reset input may require additional external components for proper functionality in some applications.

Working Principles

The MAX631AMJA/883B operates by continuously monitoring the supply voltage. When the voltage falls below the specified threshold, the IC generates an active-low reset signal. This signal can be used to reset the system or trigger specific actions based on the application requirements. The manual reset input allows for immediate system reset when required.

Detailed Application Field Plans

The MAX631AMJA/883B is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some of the typical application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing erratic behavior due to voltage fluctuations.
2. Industrial Control Systems: Providing a reliable reset mechanism for critical control units.
3. Power Management: Safeguarding power-sensitive devices from undervoltage conditions.
4. Automotive Electronics: Monitoring battery voltage and triggering system reset if necessary.
5. Medical Devices: Ensuring stable operation and patient safety by resetting the system during voltage anomalies.

Detailed and Complete Alternative Models

1. MAX632AMJA/883B: Similar to MAX631AMJA/883B with extended temperature range (-55°C to +125°C).
2. MAX638AMJA/883B: Voltage monitor with adjustable reset threshold and timeout period options.
3. MAX630AMJA/883B: Voltage monitor with lower supply voltage range (1.0V to 5.5V).

(Note: These alternative models are provided as examples and may not cover all available options in the market.)

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