MAX707ESA-T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Detectors
• Characteristics:
  • Low Supply Current
  • Adjustable Threshold Voltage
  • Precision Monitoring
• Package: SOIC-8
• Essence: Monolithic CMOS Circuit
• Packaging/Quantity: Tape & Reel (2500 pieces per reel)

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Range: 1.25V to 5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low, Open Drain

Detailed Pin Configuration

The MAX707ESA-T has a total of 8 pins arranged as follows:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output --| THRESHOLD |-- Pin 3: Threshold Voltage Input --| RESET |-- Pin 4: Reset Input --| NC |-- Pin 5: No Connection --| NC |-- Pin 6: No Connection --| NC |-- Pin 7: No Connection --| NC |-- Pin 8: No Connection |___________| ```

Functional Features

• Monitors the voltage level and provides a reset signal when it falls below a user-defined threshold.
• Adjustable threshold voltage allows customization for different applications.
• Low supply current ensures minimal power consumption.
• Open-drain output enables easy interfacing with other devices.

Advantages

• Wide supply voltage range makes it suitable for various power supply systems.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Low quiescent current minimizes power consumption, making it ideal for battery-powered applications.
• Open-drain output allows easy integration with different microcontrollers or logic circuits.

Disadvantages

• Limited number of pins may restrict the number of external components that can be connected directly.
• The SOIC-8 package may not be suitable for applications requiring smaller form factors.

Working Principles

The MAX707ESA-T is based on a monolithic CMOS circuit that continuously monitors the input voltage. When the voltage falls below the user-defined threshold, the reset output becomes active-low, indicating a power failure or an abnormal condition. The threshold voltage can be adjusted using an external resistor divider network.

Detailed Application Field Plans

The MAX707ESA-T is commonly used in various applications where voltage monitoring and system reset functionality are required. Some typical application fields include:

1. Power Supply Systems: Ensuring stable operation by monitoring the input voltage and initiating a system reset when necessary.
2. Battery-Powered Devices: Protecting the battery from deep discharge by triggering a reset when the voltage drops below a certain level.
3. Industrial Control Systems: Monitoring critical voltages to prevent damage to sensitive equipment during power fluctuations.
4. Automotive Electronics: Providing reliable reset signals to microcontrollers and other components in automotive systems.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage detector IC with fixed threshold voltage options.
2. MAX706: Voltage detector IC with adjustable threshold voltage and push-pull output.
3. MAX811: Microprocessor reset circuit with manual reset input and watchdog timer functionality.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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