ISO7740DWR

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ISO7740DWR

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DGTL ISOLTR 5KV 4CH GP 16-SOIC

  • Nhà sản xuấtTexas Dụng cụ

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  • Bảng dữ liệu ISO7740DWR DataSheet

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thuộc tính Giá trị
Part Status Active
Technology Capacitive Coupling
Type General Purpose
Isolated Power No
Number of Channels 4
Inputs - Side 1/Side 2 4/0
Channel Type Unidirectional
Voltage - Isolation 5000Vrms
Common Mode Transient Immunity (Min) 85kV/µs
Data Rate 100Mbps
Propagation Delay tpLH / tpHL (Max) 16ns, 16ns
Pulse Width Distortion (Max) 4.9ns
Rise / Fall Time (Typ) 2.4ns, 2.4ns
Voltage - Supply 2.25V ~ 5.5V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Base Product Number ISO7740

Tổng quan

Description

The ISO7740DWR is a high-performance digital isolator developed by Texas Instruments. It provides galvanic isolation for digital signals in high-voltage systems, effectively protecting sensitive components from voltage spikes and ground loop interference. The device features four independent channels with a robust isolation rating. The "DWR" suffix indicates a specific package type, typically a wide-body SOIC package, which enhances creepage and clearance distances, critical for safety in high-voltage applications.
This isolator is ideal for industrial automation, motor control, power delivery, and renewable energy systems, where reliable isolation and data integrity are crucial. It supports high data rates and low power consumption, making it suitable for various communication protocols. The ISO7740DWR's design prioritizes minimal propagation delay and skew, ensuring precise timing and synchronization across isolated channels.
Additionally, the ISO7740DWR integrates fail-safe features such as default high-output states during power loss, enhancing system reliability. Its compliance with global safety standards makes it a dependable choice for engineers seeking to improve signal integrity while maintaining safety in complex electronic systems.

Equivalent

The ISO7740DWR is a digital isolator typically used for isolating signals in electronic applications. Equivalent products include the ADuM1400 series from Analog Devices, the SI864x series from Silicon Labs, and the MAX14430 series from Maxim Integrated. These alternatives offer similar isolation capabilities and channel configurations, catering to various industrial and automotive applications. Always verify specifications to ensure compatibility with your specific requirements.

Features

The ISO7740DWR is a high-performance, quad-channel digital isolator manufactured by Texas Instruments. It offers galvanic isolation of up to 5000 Vrms, ideal for applications requiring robust signal isolation. Key features include:
1. Data Rate: Supports data rates up to 100 Mbps.
2. Isolation Voltage: Withstands isolation voltages of up to 5000 Vrms, making it suitable for high-voltage applications.
3. Low Propagation Delay: Offers fast propagation delays of 10.7 ns, reducing latency in high-speed operations.
4. High CMTI: Provides a common-mode transient immunity (CMTI) of typically greater than 50 kV/µs, ensuring reliable performance in noisy environments.
5. Wide Supply Range: Operates over a wide supply voltage range from 2.25 V to 5.5 V.
6. Temperature Range: Functions reliably over an extended temperature range from -40°C to +125°C.
7. Robust Design: Features fail-safe outputs and low emissions, enhancing safety and reducing electromagnetic interference (EMI).
These features make the ISO7740DWR suitable for a wide range of industrial, automotive, and power management applications.

Pinout

The ISO7740DWR is a digital isolator manufactured by Texas Instruments. It features 16 pins and provides four channels for digital signal isolation. Each channel can support a data rate of up to 100 Mbps. The device operates with a wide supply voltage range, enhancing its versatility in different applications.
The primary function of the ISO7740DWR is to provide galvanic isolation between different parts of a system. This isolation helps to protect sensitive components from ground loop noise and voltage spikes, improving overall system reliability and signal integrity. The device is commonly used in applications such as industrial automation, motor control, and power supplies.
The 16-pin layout typically includes pins for power supply and ground connections, as well as input and output pins for each of the four isolated channels. The "DWR" in the part number indicates a specific package type with a small footprint, suitable for compact PCB designs.

Manufacturer

The ISO7740DWR is manufactured by Texas Instruments (TI), a global technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are widely used in electronics around the world. The company is a leader in the electronics industry, providing a wide range of products including analog chips, embedded processors, and digital light processing technology. TI's products are used in various applications across industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The ISO7740DWR, specifically, is part of their portfolio of digital isolators, which are used for signal isolation in electronic systems to protect against high voltages and eliminate ground loops.

Application

The ISO7740DWR is a robust digital isolator primarily used in applications requiring electrical isolation for safety or noise reduction. Key areas include industrial automation systems, where it provides isolation for microcontrollers and sensors, and power electronics, such as inverters and motor drives, to ensure safe signal transmission. It's also used in medical equipment for patient protection and data integrity. Additionally, this isolator finds applications in renewable energy systems, offering isolation between high-voltage and low-voltage components. In telecommunications, it helps in isolating circuits to prevent interference and signal degradation. Overall, the ISO7740DWR enhances system reliability and safety across various electronic and electrical applications.

Package

The ISO7740DWR is a digital isolator from Texas Instruments. It comes in a 16-pin SOIC (Small Outline Integrated Circuit) package with a wide body. The "DWR" suffix indicates the package type, which typically refers to the tape and reel packaging for automated assembly processes.

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