MAX691MJE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset generation
• Package: 16-pin CERDIP (Ceramic Dual In-line Package)
• Essence: Provides a reliable and accurate voltage monitoring and reset functionality for electronic systems.
• Packaging/Quantity: Available in tubes or trays, quantity depends on supplier.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low RESET
• Reset Threshold Voltage Options: 4.65V, 4.75V, 4.85V, 4.95V
• Reset Timeout Period: Adjustable from 1ms to 10s

Pin Configuration

The MAX691MJE has a 16-pin configuration as follows:

1. VCC: Supply Voltage Input
2. GND: Ground
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. RESET: Active-Low Reset Output
9. RESET: Active-Low Reset Output
10. RESET: Active-Low Reset Output
11. RESET: Active-Low Reset Output
12. RESET: Active-Low Reset Output
13. RESET: Active-Low Reset Output
14. RESET: Active-Low Reset Output
15. RESET: Active-Low Reset Output
16. VCC: Supply Voltage Input

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below a specified threshold.
• Provides an adjustable reset timeout period to ensure proper system initialization.
• Offers a manual reset input for external system control.
• Low-power consumption for energy-efficient operation.
• Precision voltage monitoring for accurate detection of supply voltage variations.

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring and reset generation. - Adjustable reset timeout period for flexibility. - Low-power consumption for energy efficiency. - Precision voltage monitoring ensures accurate detection.

Disadvantages: - Limited number of reset outputs (only 13 available). - Restricted to a specific supply voltage range (3V to 5.5V).

Working Principles

The MAX691MJE operates by continuously monitoring the supply voltage using an internal voltage reference. When the supply voltage falls below the specified threshold, the IC generates an active-low reset signal. The reset timeout period can be adjusted to allow sufficient time for the system to initialize properly. Additionally, a manual reset input is provided for external control over the reset functionality.

Application Field Plans

The MAX691MJE finds applications in various electronic systems where reliable voltage monitoring and reset generation are crucial. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation
4. Power management systems
5. Communication equipment
6. Automotive electronics
7. Medical devices

Alternative Models

1. MAX811: Similar voltage monitor and reset circuit with adjustable reset timeout period.
2. MAX803: Low-power microprocessor reset circuit with fixed reset timeout period.
3. MAX1232: Voltage monitor and reset circuit with watchdog timer functionality.

These alternative models offer similar features and can be considered as substitutes for the MAX691MJE depending on specific requirements.

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