MAX708ESA+TG002

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the power supply voltage of a system
  • Generates a reset signal when the voltage falls below a specified threshold
  • Ensures proper operation of microcontrollers and other digital systems
• Package: SOIC-8
• Essence: Provides reliable voltage monitoring and reset functionality
• 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, or adjustable
• Reset Timeout Period: 140ms (min) or adjustable
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground connection
2. MR: Manual Reset input
3. VCC: Positive supply voltage
4. RESET: Active-low reset output
5. TH: Threshold voltage selection pin
6. CT: Capacitor connection for adjustable timeout period
7. RESET: Active-low reset output
8. VCC: Positive supply voltage

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage drops below the set threshold
• Reset signal remains active until the voltage rises above the threshold or the reset timeout period elapses
• Manual reset input allows external control of the reset signal
• Adjustable threshold voltage and reset timeout period options provide flexibility

Advantages

• Ensures reliable system operation by preventing erratic behavior during low voltage conditions
• Simple integration into various digital systems due to its compact package and straightforward pin configuration
• Adjustable threshold voltage and reset timeout period allow customization based on specific application requirements
• Manual reset input provides additional control over the reset functionality

Disadvantages

• Limited to voltage monitoring and reset functionality, may not be suitable for complex power management requirements
• Requires an external capacitor for adjustable timeout period configuration

Working Principles

1. The MAX708ESA+TG002 continuously monitors the supply voltage connected to the VCC pin.
2. When the voltage falls below the set threshold (determined by the TH pin), the reset output goes low, indicating a system reset condition.
3. The reset signal remains active until the voltage rises above the threshold or the reset timeout period elapses.
4. The manual reset input (MR) can be used to force a reset regardless of the voltage level.
5. The CT pin allows the adjustment of the reset timeout period by connecting an external capacitor.

Detailed Application Field Plans

The MAX708ESA+TG002 is widely used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some application fields include: - Microcontroller-based systems - Embedded systems - Industrial automation - Power management circuits - Battery-powered devices - Automotive electronics

Detailed and Complete Alternative Models

• MAX705ESA+TG002: Similar to MAX708ESA+TG002 but with a fixed threshold voltage of 4.63V
• MAX809SEUR+T: Voltage monitor and reset circuit with a push-pull output and adjustable reset timeout period
• MAX811SEUS+T: Voltage monitor and reset circuit with a push-pull output and fixed reset timeout period of 140ms

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