DS2480B+

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DS2480B+

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IC TRANSCEIVER 1/0 8SOIC

  • Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp

  • Ông. Phần #DS2480B+

  • Có sẵn3970

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Active
Base Product Number DS2480
Type Driver
Protocol RS232
Number of Drivers / Receivers 1/0
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tube

Tổng quan

Description

The DS2480B+ is a serial-to-1-Wire line driver chip developed by Maxim Integrated (now part of Analog Devices). It is designed to interface between a microcontroller or computer's serial port and a 1-Wire network, which is used to communicate with 1-Wire devices like temperature sensors and memory chips. The DS2480B+ converts standard RS-232 signals to 1-Wire signals, facilitating communication over longer distances and with multiple devices on a single bus.
Key features include:
1. Flexible Interface: It can be configured for various network topologies and communication speeds.

2. Data Rates: Supports standard and overdrive speed modes, allowing faster data transfer when needed.
3. Power Management: Capable of controlling and powering 1-Wire devices on the network.
4. Built-in Slew Rate Control: Minimizes reflections and ringing on long or complex network configurations.
5. Wide Operating Voltage: Operates from 4.5V to 5.5V, suitable for many embedded applications.
Overall, the DS2480B+ simplifies the integration of 1-Wire networks with standard serial communication interfaces, making it ideal for applications in industrial, consumer, and automotive sectors.

Equivalent

The DS2480B+ is a 1-Wire line driver and communication interface used in microcontroller applications. Equivalent products or alternatives may include the following:
1. Maxim Integrated's DS9097U series, which are also 1-Wire interfaces and adapters.
2. Maxim Integrated's DS2482 series, which are I2C to 1-Wire masters.
3. Similar functional devices from other manufacturers like Analog Devices or NXP, although they may vary in specifications.
Always ensure compatibility with your specific application requirements when selecting an alternative.

Features

The DS2480B+ is a serial-to-1-Wire line driver that simplifies the interface between a microcontroller and 1-Wire devices. Key features include:
1. Multi-drop Capability: It supports communication with multiple 1-Wire devices on a single bus, making it suitable for networked applications.
2. Flexible Data Rates: The device accommodates flexible data rates, including standard and overdrive speeds, to optimize communication performance.
3. Strong Pullup: It provides a strong pullup feature to support 1-Wire devices that require additional power during data transfer, such as EEPROM programming or temperature conversions.
4. Programmable Timing: The device allows for programmable timing and slew rates, enhancing compatibility with various 1-Wire network configurations.
5. UART Interface: It features a UART interface, which simplifies integration with standard serial communication systems.
6. Low Power Operation: The DS2480B+ is designed for low power consumption, making it suitable for battery-powered applications.
These features make the DS2480B+ ideal for use in applications requiring reliable and efficient communication with 1-Wire devices, such as temperature sensors and identification tags.

Pinout

The DS2480B+ is an RS-232 to 1-Wire line driver chip used for interfacing 1-Wire devices to standard serial communication ports. It is available in an 8-pin package with the following pin functions:
1. GND (Pin 1): Ground connection.
2. 1-W (Pin 2): 1-Wire bus interface for connecting 1-Wire devices.
3. VDD (Pin 3): Supply voltage input, typically 5V.
4. TXD (Pin 4): Transmit data from the microcontroller or host to the DS2480B.
5. RXD (Pin 5): Receive data from the DS2480B to the microcontroller or host.
6. POL (Pin 6): Logic polarity selection for the serial interface.
7. RSTZ (Pin 7): Reset input, active low.
8. VPP (Pin 8): Programming voltage input, used for programming EPROM devices.
The DS2480B+ effectively converts the RS-232 signals into the 1-Wire protocol, enabling communication with 1-Wire devices such as temperature sensors, memory devices, and others.

Manufacturer

The DS2480B+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was a company known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. Their products are used in a variety of applications, including industrial, communications, consumer, and automotive markets. As of 2021, Maxim Integrated became part of Analog Devices, a larger semiconductor company that similarly focuses on designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices serves a broad array of markets, including industrial, communications, automotive, consumer, and healthcare, providing solutions for a wide range of applications.

Application

The DS2480B+ is a serial-to-1-Wire line driver used for communication with 1-Wire devices. Its primary applications include:
1. Industrial Automation: Facilitates communication with 1-Wire sensors and actuators for monitoring and control.
2. Embedded Systems: Integrates into microcontroller-based systems for device interfacing and data collection.
3. Temperature Monitoring: Used in HVAC and refrigeration systems for temperature sensing with 1-Wire temperature sensors.
4. Security Systems: Interfaces with 1-Wire ID chips for access control and asset management.
5. Consumer Electronics: Employed in smart devices for efficient communication with peripherals.
These applications leverage its ability to simplify the connection and communication with a wide range of 1-Wire devices.

Package

The DS2480B+ is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface mounting on printed circuit boards, making it ideal for applications requiring limited space.

Frequently Asked Questions


Q: What is the primary function of the DS2480B+?
A: It is a RS232 serial port driver IC, functioning as a 1/0 driver with a single transmitter and no receiver.


Q: What is the supply voltage range for this driver?
A: The recommended operating voltage is between 4.5V and 5.5V, making it suitable for standard 5V logic systems.


Q: Is this component suitable for industrial temperature environments?
A: Yes, with an operating temperature range of -40°C to +85°C, it is robust for industrial applications.


Q: What is the package type and mounting style?
A: It comes in an 8-SOIC surface mount package (3.90mm width), compatible with standard SMD assembly processes.


Q: Does this driver include a receiver channel?
A: No, it is a single-driver configuration (1/0) with only a transmitter, not a transceiver.


Q: What is the supported serial protocol?
A: It is specifically designed for the RS232 communication protocol.


Q: Is this part currently available for production?
A: Yes, the part status is marked as 'Active', indicating ongoing production and availability.


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