MAX706TCUA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, microprocessor reset circuit
• Package: TDFN-8 (Thin Dual Flat No-Lead)
• Essence: Monitors the power supply voltage and generates a reset signal to the microprocessor when the voltage falls below a predetermined threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

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

Detailed Pin Configuration

The MAX706TCUA+T has the following pin configuration:

1. GND: Ground
2. RESET: Active-Low Reset Output
3. MR: Manual Reset Input
4. VCC: Positive Power Supply
5. TH: Threshold Voltage Selection Input
6. TO: Reset Timeout Period Selection Input
7. CT: Capacitor Connection for Adjustable Reset Timeout
8. NC: No Connect

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage drops below the set threshold
• Provides a manual reset input for external reset control
• Offers options for different threshold voltages and reset timeout periods
• Allows adjustment of the reset timeout period using an external capacitor

Advantages and Disadvantages

Advantages: - Low-power consumption - Small package size - Wide operating voltage range - Adjustable reset timeout period

Disadvantages: - Limited number of threshold voltage options - No built-in watchdog timer

Working Principles

The MAX706TCUA+T operates by monitoring the power supply voltage using an internal voltage reference. When the voltage falls below the set threshold, it triggers the reset output to go low, indicating a reset condition to the microprocessor. The reset signal remains active until the voltage rises above the threshold or a manual reset is applied.

Detailed Application Field Plans

The MAX706TCUA+T is commonly used in various applications where reliable power supply monitoring and microprocessor reset functionality are required. Some of the typical application fields include:

1. Embedded Systems: Provides a reliable reset mechanism for microcontrollers and other embedded devices.
2. Industrial Automation: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
3. Automotive Electronics: Monitors the vehicle's electrical system to prevent malfunctions and ensure safe operation.
4. Medical Devices: Guarantees proper functioning of critical medical equipment by resetting the system in case of power supply issues.
5. Consumer Electronics: Protects sensitive electronic components from damage due to voltage drops or unstable power sources.

Detailed and Complete Alternative Models

1. MAX705ESA+: Similar to MAX706TCUA+T but available in SOIC-8 package.
2. MAX707ESA+: Voltage supervisor with adjustable threshold and reset timeout period.
3. MAX811TEUS-T: Microprocessor reset circuit with a built-in watchdog timer.
4. MAX809SEUR-T: Voltage monitor with a push-pull output and adjustable reset threshold.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements and preferences.

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