Consulte las especificaciones para obtener detalles del producto.
MAX708SMJA
Product Overview
- Category: Integrated Circuit
- Use: Voltage Monitor
- Characteristics: Low-power, Precision, Reset Output
- Package: Surface Mount
- Essence: Monitors Power Supply Voltage
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 1.0V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, 4.63V
- Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
- Quiescent Current: 1µA (typical)
- Active Supply Current: 10µA (typical)
Pin Configuration
The MAX708SMJA has a total of 8 pins:
- GND: Ground
- VCC: Positive Supply Voltage
- RESET: Active-Low Reset Output
- MR: Manual Reset Input
- TH: Threshold Voltage Selection Input
- TO: Timeout Period Selection Input
- CT: Capacitor Connection Terminal
- VBAT: Battery Backup Input
Functional Features
- Monitors the power supply voltage and provides a reset output when the voltage drops below a specified threshold.
- Offers manual reset capability through the MR pin.
- Provides options for selecting the threshold voltage and timeout period to suit different applications.
- Low quiescent current ensures minimal power consumption.
- Wide supply voltage range allows compatibility with various systems.
Advantages
- Precise monitoring of power supply voltage ensures reliable system operation.
- Low-power design extends battery life in portable devices.
- Flexible threshold voltage and timeout period options cater to diverse application requirements.
- Small surface mount package saves board space.
- Battery backup input enables uninterrupted operation during power outages.
Disadvantages
- Limited to voltage monitoring and reset functionality, may not suit applications requiring additional features.
- Surface mount package may require specialized equipment for soldering and rework.
Working Principles
The MAX708SMJA operates by comparing the supply voltage with a user-selected threshold voltage. When the supply voltage drops below the threshold, the reset output is activated. The timeout period determines how long the reset output remains active after the supply voltage returns to normal. The manual reset input allows the system to be reset externally.
Application Field Plans
The MAX708SMJA finds applications in various fields, including:
- Microcontrollers: Ensures reliable operation by monitoring the power supply voltage and resetting the system if necessary.
- Industrial Control Systems: Provides voltage monitoring and reset functionality to prevent malfunctions due to power supply fluctuations.
- Automotive Electronics: Protects sensitive electronic components from voltage variations, ensuring stable performance.
- Medical Devices: Monitors power supply integrity to ensure patient safety and proper functioning of medical equipment.
- Consumer Electronics: Enables safe shutdown or restart of devices in case of power supply issues.
Alternative Models
- MAX706ESA: Similar voltage monitor IC with adjustable threshold voltage and timeout period.
- MAX809SEUR+: Voltage monitor IC with fixed threshold voltage and adjustable timeout period.
- MAX811TEUS+: Voltage monitor IC with fixed threshold voltage and fixed timeout period.
These alternative models offer similar functionality and can be considered based on specific application requirements.
Word count: 399 words
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX708SMJA en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX708SMJA in technical solutions:
Q: What is the MAX708SMJA? A: The MAX708SMJA 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 predetermined threshold.
Q: What is the purpose of using the MAX708SMJA in a technical solution? A: The MAX708SMJA ensures reliable operation of microprocessors by providing a reset signal during power-up, power-down, and brownout conditions, preventing erratic behavior or data corruption.
Q: How does the MAX708SMJA detect a low voltage condition? A: The MAX708SMJA compares the monitored voltage with a fixed reference voltage internally. If the monitored voltage drops below the reference voltage, it triggers a reset signal.
Q: Can the MAX708SMJA be used with different microprocessors? A: Yes, the MAX708SMJA can be used with a wide range of microprocessors and microcontrollers, as long as the supply voltage requirements are within its specified range.
Q: What is the operating voltage range of the MAX708SMJA? A: The MAX708SMJA operates with a supply voltage range of 1.0V to 5.5V.
Q: Does the MAX708SMJA have any adjustable parameters? A: No, the MAX708SMJA does not have any adjustable parameters. It has a fixed threshold voltage for generating the reset signal.
Q: Can the MAX708SMJA be used in battery-powered applications? A: Yes, the MAX708SMJA is suitable for battery-powered applications due to its low quiescent current consumption, which helps to conserve battery life.
Q: What is the typical reset timeout period of the MAX708SMJA? A: The MAX708SMJA has a typical reset timeout period of 140ms, ensuring that the microprocessor remains in a reset state for a sufficient duration during power-up.
Q: Does the MAX708SMJA have any additional features? A: Yes, the MAX708SMJA includes a manual reset input and an active-low reset output, providing flexibility in system design and integration.
Q: Is the MAX708SMJA available in different package options? A: Yes, the MAX708SMJA is available in various package options, including SOIC, PDIP, and TSSOP, allowing for easy integration into different PCB layouts and designs.
Please note that these answers are general and may vary depending on the specific datasheet and application requirements of the MAX708SMJA.