MAX705ESA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOIC-8
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.25V to 4.63V
• Reset Timeout Period: Fixed or Adjustable (from 1ms to 640ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX705ESA+ has the following pin configuration:

1. GND: Ground
2. RESET: Active-Low Reset Output
3. MR: Manual Reset Input
4. VCC: Supply Voltage
5. TH: Threshold Adjust Input
6. CT: Capacitor Connection for Reset Timeout
7. RESET: Active-Low Reset Output
8. GND: Ground

Functional Features

• Monitors the power supply voltage and generates a reset signal when it falls below the set threshold.
• Provides an adjustable threshold voltage to suit different applications.
• Offers a manual reset input for immediate system reset.
• Allows adjustment of the reset timeout period for customized timing requirements.

Advantages and Disadvantages

Advantages: - Low-power consumption - Precise voltage monitoring - Small form factor - Adjustable threshold and timeout period

Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Single-supply voltage range (1.2V to 5.5V)

Working Principles

The MAX705ESA+ operates by continuously monitoring the supply voltage using an internal voltage reference and comparator. When the voltage falls below the set threshold, the reset output is activated, signaling a system reset. The threshold voltage can be adjusted using the TH pin. Additionally, the reset timeout period can be set to ensure proper system recovery.

Detailed Application Field Plans

The MAX705ESA+ finds applications in various fields, including: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Industrial automation 4. Power management circuits 5. Battery-powered devices

Detailed and Complete Alternative Models

1. MAX706ESA+: Similar to MAX705ESA+, but with an active-high reset output.
2. MAX707ESA+: Voltage supervisor with adjustable threshold and watchdog timer functionality.
3. MAX708ESA+: Voltage supervisor with adjustable threshold and manual reset input.

These alternative models provide similar voltage monitoring and reset functionalities, catering to different application requirements.

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