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MAX803SEXR+TG05
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Detector
- Characteristics: Low-power, reset output, adjustable threshold voltage
- Package: SOT-23-3
- Essence: Monolithic microprocessor supervisory circuit
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Supply Voltage Range: 1.0V to 5.5V
- Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
- Quiescent Current: 1µA (typical)
- Reset Timeout Period: 140ms (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX803SEXR+TG05 has a standard SOT-23-3 package with the following pin configuration:
- Pin 1: GND (Ground)
- Pin 2: RESET (Reset Output)
- Pin 3: VCC (Supply Voltage)
Functional Features
- Monitors the supply voltage and asserts a reset signal when it falls below the threshold voltage.
- Adjustable threshold voltage options allow flexibility in system design.
- Low quiescent current ensures minimal power consumption.
- Reset timeout period prevents false resets during power-up or voltage fluctuations.
Advantages and Disadvantages
Advantages: - Small form factor and low power consumption make it suitable for portable devices. - Adjustable threshold voltage provides customization options. - Reliable reset functionality enhances system stability.
Disadvantages: - Limited number of threshold voltage options may not meet all application requirements. - Lack of additional features such as hysteresis or watchdog timer.
Working Principles
The MAX803SEXR+TG05 is designed to monitor the supply voltage of a microprocessor or other digital systems. It compares the supply voltage with the selected threshold voltage and generates a reset signal when the voltage falls below the threshold. The reset signal remains asserted until the supply voltage rises above the threshold and the reset timeout period elapses.
Detailed Application Field Plans
The MAX803SEXR+TG05 is commonly used in various applications, including but not limited to:
- Battery-Powered Devices: Ensures proper operation by monitoring the battery voltage and initiating a reset if it drops below a critical level.
- Microcontroller Systems: Provides a reliable reset function to prevent erratic behavior during power-up or voltage fluctuations.
- Industrial Control Systems: Monitors the power supply to critical components, ensuring system stability and preventing data corruption.
Detailed and Complete Alternative Models
- MAX809SEXR+TG05: Similar to MAX803SEXR+TG05, but with fixed threshold voltage options of 2.63V, 2.93V, 3.08V, and 4.38V.
- MAX811SEXR+TG05: Voltage detector with an active-low reset output and fixed threshold voltage options of 2.63V, 2.93V, 3.08V, and 4.38V.
- MAX810SEXR+TG05: Voltage detector with a push-pull reset output and fixed threshold voltage options of 2.63V, 2.93V, 3.08V, and 4.38V.
These alternative models offer similar functionality and can be considered based on specific application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX803SEXR+TG05 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of MAX803SEXR+TG05 in technical solutions:
Q: What is the MAX803SEXR+TG05? A: The MAX803SEXR+TG05 is a microprocessor reset circuit with a watchdog timer.
Q: How does the MAX803SEXR+TG05 work? A: It monitors the voltage level of the power supply and asserts a reset signal to the microprocessor when the voltage drops below a specified threshold.
Q: What is the purpose of a microprocessor reset circuit? A: It ensures that the microprocessor starts up in a known state after power is applied or restored.
Q: Can the MAX803SEXR+TG05 be used with different microprocessors? A: Yes, it can be used with a wide range of microprocessors as long as the voltage levels are compatible.
Q: Does the MAX803SEXR+TG05 have a built-in watchdog timer? A: Yes, it has a watchdog timer that can be used to monitor the activity of the microprocessor and reset it if necessary.
Q: What is the purpose of a watchdog timer? A: It helps prevent the microprocessor from getting stuck in an infinite loop or becoming unresponsive by periodically resetting it.
Q: Can the MAX803SEXR+TG05 be used in battery-powered applications? A: Yes, it can be used in battery-powered applications as it has a low quiescent current and operates over a wide voltage range.
Q: Is the MAX803SEXR+TG05 suitable for automotive applications? A: Yes, it is designed to meet the requirements of automotive applications, including extended temperature ranges and high reliability.
Q: Can the MAX803SEXR+TG05 be used in safety-critical systems? A: Yes, it has built-in features like a manual reset input and a power-fail output that make it suitable for safety-critical applications.
Q: Are there any specific design considerations when using the MAX803SEXR+TG05? A: It is important to ensure proper decoupling of the power supply and follow the recommended layout guidelines provided in the datasheet.
Please note that these answers are general and may vary depending on the specific requirements and application of the MAX803SEXR+TG05 in a technical solution.