DS2490S

Product Overview

Category: Integrated Circuit
Use: Communication and Control
Characteristics: High-speed 1-Wire USB-to-Serial Adapter
Package: Small Outline Package (SOIC)
Essence: Provides a bridge between USB and 1-Wire communication protocols
Packaging/Quantity: Available in reels of 2500 units

Specifications

Interface: USB 2.0
Data Rate: Up to 12 Mbps
Operating Voltage: 3.0V to 5.25V
Temperature Range: -40°C to +85°C
Pin Count: 8 pins

Detailed Pin Configuration

VDD: Power supply input
DQ: 1-Wire data line
GND: Ground
RSTZ: Reset input
D+: USB data line
D-: USB data line
NC: No connection
GND: Ground

Functional Features

Provides USB connectivity for 1-Wire devices
Supports both standard and overdrive 1-Wire communication speeds
Integrated EEPROM for storing device-specific information
Supports software-controlled strong pull-up feature
Compatible with Windows, Linux, and macOS operating systems

Advantages

Easy integration into existing systems with USB support
High-speed data transfer rate for efficient communication
Wide operating voltage range allows for versatile applications
Compact package size for space-constrained designs
Robust design ensures reliable performance in harsh environments

Disadvantages

Limited to 1-Wire communication protocol only
Requires external power supply for operation
Higher cost compared to basic USB-to-serial adapters

Working Principles

The DS2490S acts as a bridge between the USB and 1-Wire communication protocols. It converts USB signals into 1-Wire signals, allowing devices using the 1-Wire protocol to communicate with a computer or other USB-enabled devices. The adapter is powered by an external power supply and provides a reliable and efficient data transfer between the USB host and 1-Wire devices.

Detailed Application Field Plans

Industrial automation systems
Home automation and smart home applications
Temperature and humidity monitoring systems
Access control and security systems
Automotive diagnostic tools
Medical devices and equipment

Alternative Models

DS2480B: Low-Speed 1-Wire Master
DS2490R: USB-to-1-Wire/iButton Adapter
DS9490R: USB-to-1-Wire/iButton Adapter with RJ11 Connector
DS9097U-S09: USB-to-1-Wire Adapter with RJ11 Connector

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.

This entry provides an overview of the DS2490S, a high-speed 1-Wire USB-to-Serial Adapter. It includes information about its category, use, characteristics, package, essence, packaging/quantity, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan DS2490S dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of DS2490S in technical solutions:

Q: What is DS2490S? A: DS2490S is a USB-to-1-Wire bridge device that enables communication between a computer and 1-Wire devices.
Q: What is 1-Wire technology? A: 1-Wire is a communication protocol developed by Maxim Integrated that allows data transfer and power supply over a single wire.
Q: How can DS2490S be used in technical solutions? A: DS2490S can be used as an interface between a computer and various 1-Wire devices, such as temperature sensors, memory chips, or switches.
Q: What are the advantages of using DS2490S in technical solutions? A: Some advantages include easy integration with existing systems, support for multiple 1-Wire devices, and the ability to power devices through the USB connection.
Q: Can DS2490S be used with different operating systems? A: Yes, DS2490S is compatible with various operating systems, including Windows, Linux, and macOS.
Q: How do I connect DS2490S to my computer? A: DS2490S connects to a computer via a USB port. Simply plug it into an available USB port on your computer.
Q: Can DS2490S communicate with multiple 1-Wire devices simultaneously? A: Yes, DS2490S supports multi-drop operation, allowing communication with multiple 1-Wire devices connected to the same bus.
Q: Is DS2490S capable of providing power to 1-Wire devices? A: Yes, DS2490S can provide power to 1-Wire devices through the VCC pin, eliminating the need for separate power supplies.
Q: Are there any programming libraries or APIs available for DS2490S? A: Yes, Maxim Integrated provides software libraries and APIs that allow developers to easily interface with DS2490S in their applications.
Q: Can DS2490S be used in both industrial and consumer applications? A: Yes, DS2490S is suitable for a wide range of applications, including industrial automation, home automation, data logging, and more.

Please note that these answers are general and may vary depending on specific use cases and requirements.