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MAX690RCSA+ - English Editing Encyclopedia Entry
Product Overview
Category: Integrated Circuits (ICs)
Use: The MAX690RCSA+ is a precision, low-power, microprocessor supervisory circuit that monitors the power supply voltage of a microcontroller or other digital systems. It provides reset output during power-up, power-down, and brownout conditions.
Characteristics: - Low-power consumption - Precision voltage monitoring - Reset output during power-up, power-down, and brownout conditions
Package: SOIC (Small Outline Integrated Circuit)
Essence: The MAX690RCSA+ is an essential component for ensuring reliable operation and protection of microcontrollers and digital systems by monitoring the power supply voltage and providing reset functionality.
Packaging/Quantity: The MAX690RCSA+ is available in a standard reel packaging with 2500 units per reel.
Specifications
- Supply Voltage Range: 1.2V to 5.5V
- Reset Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.06V
- Reset Timeout Period: 140ms (min)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX690RCSA+ has the following pin configuration:
| Pin Name | Description | |----------|-------------| | VCC | Power Supply Voltage Input | | GND | Ground | | RESET | Active-Low Reset Output | | MR | Manual Reset Input |
Functional Features
- Precision Voltage Monitoring: The MAX690RCSA+ accurately monitors the power supply voltage and triggers a reset signal when it falls below a specified threshold.
- Reset Output: It provides an active-low reset output signal to the microcontroller or digital system, ensuring a controlled and reliable restart during power-up, power-down, and brownout conditions.
- Low-Power Consumption: The circuit operates with low power consumption, making it suitable for battery-powered applications.
Advantages and Disadvantages
Advantages: - Precise voltage monitoring ensures reliable operation of microcontrollers and digital systems. - Reset output provides controlled restarts during power fluctuations. - Low-power consumption extends battery life in portable devices.
Disadvantages: - Limited reset timeout period may not be suitable for certain applications requiring longer reset delays. - Manual reset input (MR) may require additional external components for manual reset functionality.
Working Principles
The MAX690RCSA+ works by continuously monitoring the power supply voltage using an internal voltage reference and comparator. When the voltage falls below the specified threshold, the reset output is activated, signaling the microcontroller or digital system to reset. This ensures that the system starts up in a known state and prevents erratic behavior caused by unstable power conditions.
Detailed Application Field Plans
The MAX690RCSA+ finds applications in various fields where reliable operation and protection of microcontrollers and digital systems are crucial. Some potential application areas include: 1. Embedded systems 2. Industrial automation 3. Automotive electronics 4. Medical devices 5. Consumer electronics
Detailed and Complete Alternative Models
- MAX811RCSA+: Similar to MAX690RCSA+, but with a different reset timeout period.
- MAX809RCSA+: Precision voltage monitor with push-pull reset output.
- MAX638RCSA+: Voltage monitor with adjustable reset threshold and timeout period.
These alternative models offer similar functionality and can be considered based on specific requirements and preferences.
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Texniki həllərdə MAX690RCSA+ tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın
Sure! Here are 10 common questions and answers related to the application of MAX690RCSA+ in technical solutions:
Q: What is the MAX690RCSA+? A: The MAX690RCSA+ is a microprocessor supervisory circuit that monitors the power supply voltage of a system and generates a reset signal when the voltage falls below a predefined threshold.
Q: What is the purpose of using the MAX690RCSA+ in a technical solution? A: The MAX690RCSA+ ensures reliable operation of microprocessors and other digital ICs by providing a reset signal during power-up, power-down, or brownout conditions.
Q: How does the MAX690RCSA+ work? A: It continuously monitors the power supply voltage and asserts a reset signal if the voltage drops below a certain level. The reset signal remains active until the voltage rises above the threshold.
Q: What is the operating voltage range of the MAX690RCSA+? A: The MAX690RCSA+ operates from a supply voltage range of 1.2V to 5.5V.
Q: Can the MAX690RCSA+ be used with different microprocessors and digital ICs? A: Yes, the MAX690RCSA+ can be used with a wide range of microprocessors and digital ICs as long as their supply voltage is within the operating range of the MAX690RCSA+.
Q: Does the MAX690RCSA+ have any adjustable parameters? A: Yes, the MAX690RCSA+ has an adjustable reset threshold voltage that can be set using external resistors.
Q: Can the MAX690RCSA+ generate a manual reset signal? A: Yes, the MAX690RCSA+ has a manual reset input that can be used to assert a reset signal externally.
Q: What is the typical power consumption of the MAX690RCSA+? A: The typical power consumption of the MAX690RCSA+ is very low, typically around 5µA.
Q: Can the MAX690RCSA+ tolerate voltage transients or noise on the power supply line? A: Yes, the MAX690RCSA+ has built-in glitch immunity and can tolerate voltage transients and noise on the power supply line.
Q: Is the MAX690RCSA+ available in different package options? A: Yes, the MAX690RCSA+ is available in various package options, including SOIC and SOT-23, to suit different application requirements.
Please note that these answers are general and may vary depending on the specific datasheet and application guidelines provided by the manufacturer.