MAX708SCUA-T

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Monitor
Characteristics: Low-power, Precision, Reset Output
Package: SC70-5
Essence: Monitors the voltage level and provides a reset output signal when the voltage drops below a specified threshold.
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Supply Voltage Range: 1.0V to 5.5V
Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX708SCUA-T has the following pin configuration:

GND: Ground connection
RESET: Active-low reset output
MR: Manual reset input
VCC: Positive supply voltage
TH: Threshold voltage selection input

Functional Features

Monitors the supply voltage continuously
Generates a reset signal when the voltage falls below the selected threshold
Provides a manual reset option
Low-power consumption
Precision voltage monitoring

Advantages

Wide supply voltage range allows for versatile applications
Multiple threshold voltage options provide flexibility in voltage monitoring
Reset timeout period options cater to different system requirements
Small package size enables space-saving designs
Low-power operation extends battery life

Disadvantages

Limited number of threshold voltage and reset timeout period options
Manual reset input may require additional external components for proper functionality

Working Principles

The MAX708SCUA-T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage drops below the threshold, the reset output is activated. The reset signal remains active until the supply voltage rises above the threshold or a manual reset input is triggered.

Detailed Application Field Plans

The MAX708SCUA-T is commonly used in various applications where voltage monitoring and system reset functionality are required. Some potential application fields include:

Battery-Powered Devices: Ensures proper operation by monitoring battery voltage and initiating a reset when the voltage drops too low.
Microcontroller Systems: Protects microcontrollers from erratic behavior caused by insufficient power supply voltage.
Industrial Control Systems: Monitors power supply voltages in industrial environments to prevent malfunctions and ensure reliable operation.
Automotive Electronics: Provides voltage monitoring and reset capabilities for automotive electronic systems, enhancing safety and reliability.

Detailed and Complete Alternative Models

MAX706SCUA-T: Similar to MAX708SCUA-T but with different threshold voltage options.
MAX809SCX+: Voltage monitor with push-pull output and adjustable reset timeout period.
MAX811SEUS+: Voltage monitor with manual reset input and fixed reset timeout period.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX708SCUA-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX708SCUA-T in technical solutions:

Q: What is the MAX708SCUA-T? A: The MAX708SCUA-T 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 MAX708SCUA-T in a technical solution? A: The MAX708SCUA-T ensures reliable operation of microprocessors by providing a reset signal during power-up, power-down, or brownout conditions, preventing erratic behavior or data corruption.
Q: How does the MAX708SCUA-T detect low voltage conditions? A: The MAX708SCUA-T compares the monitored voltage with a fixed reference voltage internally and asserts the reset signal when the voltage drops below the specified threshold.
Q: Can the MAX708SCUA-T be used with different microprocessors? A: Yes, the MAX708SCUA-T can be used with a wide range of microprocessors as it provides a flexible reset output that can be configured for active-low or active-high operation.
Q: What is the operating voltage range of the MAX708SCUA-T? A: The MAX708SCUA-T operates from a supply voltage range of 1.0V to 5.5V, making it suitable for various applications.
Q: Does the MAX708SCUA-T have any adjustable parameters? A: No, the MAX708SCUA-T does not have any adjustable parameters. It comes pre-set with a fixed threshold voltage.
Q: Can the MAX708SCUA-T tolerate voltage spikes or transients? A: Yes, the MAX708SCUA-T has built-in glitch immunity and can tolerate voltage spikes or transients without generating false reset signals.
Q: Is the MAX708SCUA-T available in different package options? A: Yes, the MAX708SCUA-T is available in a small SOT-23 package, which is suitable for space-constrained applications.
Q: Can the MAX708SCUA-T be used in battery-powered systems? A: Yes, the MAX708SCUA-T has low quiescent current consumption and can be used in battery-powered systems to minimize power drain.
Q: Are there any application notes or reference designs available for the MAX708SCUA-T? A: Yes, Maxim Integrated provides application notes and reference designs that offer guidance on using the MAX708SCUA-T in various technical solutions. These resources can be found on their website.