MAX708RESA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Reset Output
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Monitors the voltage level and provides a reset signal when the voltage drops below a specified threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX708RESA-T has the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset)
3. RESET (Reset Output)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage)
6. TR (Reset Timeout)
7. CT (Capacitor)
8. NC (No Connection)

Functional Features

• Monitors the supply voltage continuously.
• Provides a reset signal when the voltage drops below the threshold.
• Manual reset option available through the MR pin.
• Low-power consumption for efficient operation.
• Precision voltage monitoring for accurate detection.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows flexibility in various applications. - Multiple threshold voltage options cater to different voltage level requirements. - Reset timeout period ensures stability during power fluctuations. - Small package size saves board space. - Low-power consumption prolongs battery life.

Disadvantages: - Limited number of threshold voltage options may not cover all voltage levels. - Lack of adjustable reset timeout period may not suit specific application needs.

Working Principles

The MAX708RESA-T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage drops below the threshold level set by the TH pin, the RESET pin is activated, providing a reset signal to the connected system. The reset timeout period ensures that the reset signal remains active for a specified duration, allowing the system to stabilize during power fluctuations.

Detailed Application Field Plans

The MAX708RESA-T finds applications in various fields, including:

1. Battery-Powered Devices: Ensures proper functioning and prevents data loss when the battery voltage drops below a critical level.
2. Industrial Control Systems: Provides reliable reset signals to microcontrollers and other critical components during power supply variations.
3. Automotive Electronics: Monitors the vehicle's electrical system and triggers a reset when voltage anomalies occur.
4. Home Automation: Safeguards smart home devices by resetting them in case of power disturbances.
5. Medical Equipment: Ensures uninterrupted operation and patient safety by monitoring voltage levels and initiating resets if necessary.

Detailed and Complete Alternative Models

• MAX706RESA-T: Similar to MAX708RESA-T but with different threshold voltage options.
• MAX809RESA-T: Voltage monitor with a push-pull output instead of an open-drain output.
• MAX811RESA-T: Voltage monitor with a manual reset input and adjustable reset timeout period.

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