DS2484Q+T

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DS2484Q+T

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IC MASTER I2C-1WIRE 1CH 8DFN

  • HerstellerAnalog Devices Inc./Maxim Integrated

  • Herstellerteil #DS2484Q+T

  • Datenblatt DS2484Q+T DataSheet

  • Auf Lager9343

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Spezifikationen

Attribut Wert
Part Status Active
Digi Key Programmable Not Verified
Protocol 1-Wire®
Function Controller
Interface I2C
Voltage - Supply 1.71V ~ 5.25V
Supply Current 300µA
Operating Temperature -40°C ~ 85°C
Package / Case 8-WFDFN Exposed Pad
Supplier Device Package 8-TDFN (2x3)
Base Product Number DS2484

Übersicht

Description

The DS2484Q+T is a versatile I2C interface chip designed for one-wire applications, particularly in temperature and humidity sensing, as well as for managing other one-wire devices. It acts as a bridge between an I2C master (like a microcontroller) and one-wire slaves, enabling easy integration of one-wire networks into I2C-based systems.
Key features include an adjustable pull-up resistor for the one-wire bus, support for multiple one-wire devices, and a robust communication protocol that simplifies data exchange. The chip supports a range of operating voltages, making it suitable for various applications.
Its compact design and low power consumption are ideal for battery-powered devices. The DS2484Q+T is particularly useful in applications requiring multiple sensors or devices to be connected over a single wire, reducing complexity and enhancing reliability. Overall, it provides a reliable and efficient solution for connecting I2C systems to one-wire sensors and devices.

Equivalent

The DS2484Q+T is a 1-Wire master device. Equivalent products include the DS2482-800, DS2482-100, and DS2483, which also provide 1-Wire communication capabilities. Additionally, the MAX14830 and MAX14831 offer similar functionality for interfacing with 1-Wire devices. Always verify specifications for compatibility with your specific application.

Features

The DS2484Q+T is a versatile I2C to 1-Wire bridge designed for easy integration of 1-Wire devices into microcontroller systems. Key features include:
1. I2C Interface: Supports standard and fast mode I2C communication, allowing seamless integration with various microcontrollers.
2. 1-Wire Master: Enables communication with multiple 1-Wire devices, facilitating single-wire data exchange.
3. Multiple 1-Wire Channels: Capable of managing up to eight 1-Wire channels, enhancing versatility in applications.
4. Strong Pull-Up: Integrated pull-up circuitry improves signal integrity on long 1-Wire lines.
5. Temperature Range: Operates in a wide temperature range of -40°C to +85°C, suitable for harsh environments.
6. Low Power Consumption: Designed for energy-efficient operation, making it ideal for battery-powered applications.
7. Addressing: Supports multiple DS2484Q+T devices on the same I2C bus, allowing for scalable designs.
Overall, the DS2484Q+T is ideal for applications requiring robust connectivity for temperature sensors, memory devices, and other 1-Wire peripherals.

Pinout

The DS2484Q+T is a 1-Wire master device from Maxim Integrated, featuring a total of 8 pins. Below is a concise pin count and their primary functions:
1. VDD (Pin 1): Power supply input (2.5V to 5.5V).
2. GND (Pin 2): Ground reference.
3. IO (Pin 3): 1-Wire data line for communication with 1-Wire devices.
4. SCL (Pin 4): Serial clock input for SPI communication.
5. SDA (Pin 5): Serial data input/output for SPI communication.
6. RST (Pin 6): Reset pin for the device.
7. ROM (Pin 7): Used to access the ROM of 1-Wire devices; for addressing.
8. NC (Pin 8): No connection; not used.
This device facilitates communication with multiple 1-Wire devices through an SPI interface, making it ideal for applications requiring sensor management and data collection.

Manufacturer

The DS2484Q+T is manufactured by Maxim Integrated, which is a part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing high-performance analog and mixed-signal integrated circuits. The company is known for its innovative solutions in various applications, including automotive, industrial, communications, and consumer electronics. They focus on providing technology that enhances performance and efficiency in electronic systems.

Application

The DS2484Q+T is a single-chip I²C to 1-Wire bridge used in various applications, including:
1. Sensor Networks: Connecting multiple 1-Wire sensors (temperature, humidity, etc.) to microcontrollers.
2. Data Loggers: Collecting environmental data from 1-Wire devices for monitoring and analysis.
3. Home Automation: Integrating 1-Wire devices into smart home systems for automation and control.
4. Industrial Automation: Interfacing with 1-Wire sensors in manufacturing for real-time monitoring.
5. Embedded Systems: Enabling communication between I²C-based systems and 1-Wire peripherals.
Its versatility facilitates efficient communication and data management in diverse applications.

Package

The DS2484Q+T is available in a TQFN (Thin Quad Flat No-lead) package type, which is a compact, surface-mount package designed for efficient thermal and electrical performance.

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