MAX708RCUA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT-23-8
• Essence: Monitors the voltage level and provides a reset output signal when the voltage drops below a specified threshold.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Pin Configuration

The MAX708RCUA+T has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| TH OUT |-- Pin 3: Threshold Input (TH) --| CT RESET|-- Pin 4: Capacitor Connection (CT) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) --| NC NC |-- Pin 7: Not Connected (NC) --| NC VCC |-- Pin 8: Power Supply (VCC) |___________| ```

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the programmed threshold.
• Provides a precision voltage reference for accurate monitoring.
• Low quiescent current consumption, making it suitable for battery-powered applications.
• Reset output remains active until the supply voltage rises above the threshold and a timeout period elapses.

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Multiple threshold voltage options provide flexibility in voltage monitoring.
• Low-power operation extends battery life in portable devices.
• Small package size enables space-saving designs.
• Precision voltage reference ensures accurate monitoring.

Disadvantages

• Limited number of available threshold voltage options.
• Reset timeout period may not be adjustable, limiting customization options.

Working Principles

The MAX708RCUA+T operates by comparing the supply voltage with the programmed threshold voltage. When the supply voltage drops below the threshold, the reset output is activated. The reset output remains active until the supply voltage rises above the threshold and a fixed timeout period elapses. This ensures that the system is properly reset after a power failure or voltage drop.

Detailed Application Field Plans

The MAX708RCUA+T finds applications in various fields, including:

1. Battery-Powered Devices: Provides voltage monitoring and reset functionality to ensure proper operation and prevent data corruption during low battery conditions.
2. Microcontroller Systems: Monitors the supply voltage to protect the microcontroller from unstable power sources and enable reliable operation.
3. Industrial Control Systems: Ensures safe operation by resetting the system when the supply voltage falls below a critical level.
4. Automotive Electronics: Protects sensitive electronic components from voltage fluctuations and provides reliable reset functionality.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage monitor IC with adjustable threshold voltage options and different package options.
2. MAX706: Voltage monitor IC with additional features like manual reset input and watchdog timer functionality.
3. MAX811: Voltage monitor IC with adjustable threshold voltage and push-pull reset output.

These alternative models offer similar functionality to the MAX708RCUA+T and can be considered based on specific application requirements.

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