MAX801MESA+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX801MESA+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage detector and reset circuit.

Characteristics

• Voltage detection range: 1.6V to 5.5V
• Low supply current: 2µA (typical)
• Adjustable reset threshold voltage
• Open-drain active-low RESET output
• Small package size: SOIC-8
• RoHS compliant

Package and Quantity

The MAX801MESA+ is available in a small outline integrated circuit (SOIC) package with 8 pins. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Accuracy: ±1.5%
• Quiescent Current: 2µA (typical), 4µA (maximum)
• Reset Timeout Period: 140ms (typical), 280ms (maximum)

Pin Configuration

The MAX801MESA+ has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RST OUT |-- Pin 2: Reset Output (RESET) --| TH NC |-- Pin 3: Threshold Adjust (TH) --| MR NC |-- Pin 4: Manual Reset (MR) --| NC NC |-- Pin 5: No Connection (NC) --| NC NC |-- Pin 6: No Connection (NC) --| NC NC |-- Pin 7: No Connection (NC) --| NC NC |-- Pin 8: No Connection (NC) |___________| ```

Functional Features

• Voltage detection and reset generation: The MAX801MESA+ monitors the supply voltage and generates a reset signal when it falls below a user-adjustable threshold.
• Manual reset input: The MR pin allows for manual resetting of the device.
• Open-drain RESET output: The active-low RESET output can be connected to other devices for system-level reset control.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Adjustable threshold voltage provides flexibility in voltage monitoring.
• Small package size enables space-saving designs.
• RoHS compliance ensures environmental friendliness.

Disadvantages

• Lack of built-in hysteresis may lead to potential instability in certain applications.
• Limited number of pins restricts additional functionality without external circuitry.

Working Principles

The MAX801MESA+ operates by comparing the supply voltage with the user-adjustable threshold voltage. When the supply voltage drops below this threshold, the internal circuitry triggers the active-low RESET output, indicating a reset condition. The device continuously monitors the supply voltage and holds the reset state until the voltage rises above the threshold or a manual reset is applied.

Detailed Application Field Plans

The MAX801MESA+ finds applications in various fields, including but not limited to: 1. Battery-powered devices: Ensuring proper operation and preventing damage due to low battery voltage. 2. Microcontroller systems: Providing reliable reset signals during power-up and brownout conditions. 3. Industrial equipment: Monitoring power supply integrity and initiating system resets if necessary. 4. Automotive electronics: Safeguarding critical components from voltage fluctuations and ensuring proper functioning.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX801MESA+ include: - MAX809: Voltage detector with fixed threshold voltage options. - MAX803: Microprocessor reset circuit with push-pull output. - MAX811: Voltage monitor with manual reset input and adjustable threshold.

These alternative models can be considered based on specific application requirements and desired features.

Word count: 530 words