ISO7842DWWR

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ISO7842DWWR

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DGTL ISOLTR 5.7KV 4CH GP 16-SOIC

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Spezifikationen

Attribut Wert
PartStatus Active
Technology Capacitive Coupling
Type General Purpose
IsolatedPower No
NumberofChannels 4
Inputs-Side1/Side2 2/2
ChannelType Unidirectional
Voltage-Isolation 5700Vrms
CommonModeTransientImmunity(Min) 100kV/µs
DataRate 100Mbps
PropagationDelaytpLH/tpHL(Max) 16ns, 16ns
PulseWidthDistortion(Max) 4.1ns
Rise/FallTime(Typ) 1.7ns, 1.9ns
Voltage-Supply 2.25V ~ 5.5V
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 16-SOIC (0.551", 14.00mm Width)
SupplierDevicePackage 16-SOIC
BaseProductNumber ISO7842

Übersicht

Description

The ISO7842DWWR is a product from Texas Instruments, serving as a high-performance, quad-channel digital isolator. It is designed to provide robust galvanic isolation, typically used in industrial and automotive applications to enhance safety and signal integrity. The device offers a high isolation voltage, typically up to 5 kVrms, ensuring effective protection against high voltages and noise disturbances.
Key features include low power consumption, high data rate capabilities up to 100 Mbps, and wide temperature range operations, making it suitable for harsh environments. The ISO7842DWWR utilizes a silicon dioxide (SiO2) insulation barrier, ensuring long-lasting reliability and performance.
This isolator is well-suited for applications requiring efficient signal transmission across isolated boundaries without direct electrical contact, such as in power supplies, motor drives, and battery management systems. Its compact package and integration ease provide a versatile solution for designers looking to improve system safety and efficiency while adhering to stringent regulatory standards.

Equivalent

The ISO7842DWWR is a digital isolator from Texas Instruments. Equivalent products can include:
1. ADuM4402 from Analog Devices.
2. MAX14433 from Maxim Integrated.
3. Si8642 from Silicon Labs.
These alternatives offer similar isolation capabilities and multi-channel configurations, but always verify specific requirements such as data rate, isolation voltage, and package type to ensure compatibility.

Features

The ISO7842DWWR is a high-performance, quad-channel digital isolator designed to provide galvanic isolation up to 5,000 VRMS. Key features include:
1. Isolation Channels: It offers four independent isolation channels, which can be configured as unidirectional or bidirectional, enabling flexibility in design.
2. High Data Rate: The device supports data rates up to 100 Mbps, suitable for fast communication interfaces.
3. Robust Isolation: Provides excellent electromagnetic compatibility with isolation ratings of 5,000 VRMS and a High Common-Mode Transient Immunity (CMTI) of greater than 100 kV/µs, ensuring reliable operation in noisy environments.
4. Low Power Consumption: The device is designed for low power operation, making it suitable for battery-powered and energy-efficient applications.
5. Wide Temperature Range: Operates over an extended temperature range from -55°C to +125°C, ensuring reliability in harsh conditions.
6. Safety Certifications: Complies with UL, CSA, VDE, and CQC isolation standards, providing confidence in safety-critical applications.
7. Small Package: Available in a compact SOIC-16 wide body package for space-constrained designs.
These features make the ISO7842DWWR suitable for industrial automation, power electronics, and communication systems requiring robust isolation.

Pinout

The ISO7842DWWR is a digital isolator manufactured by Texas Instruments. It typically comes in a 16-pin SOIC (Small Outline Integrated Circuit) wide-body package. The device is designed to provide galvanic isolation for digital signals, offering two isolated channels for data transmission.
Key functions and features include:
- Isolation Voltage: Provides high isolation voltage between input and output.
- Data Channels: The ISO7842DWWR offers two separate channels for digital signal isolation.
- Safety and Reliability: It is designed to meet safety standards, ensuring reliable operation in various industrial and medical applications.
- High-Speed Operation: Capable of operating at high data rates, suitable for fast digital communication.
The ISO7842DWWR is widely used in applications where electrical isolation is necessary to protect sensitive components and ensure safe operation.

Manufacturer

The ISO7842DWWR is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments, commonly known as TI, designs and manufactures a broad range of analog and embedded processing chips. The company is well-known for its significant role in the electronics industry, providing products that are integral to various applications, including industrial systems, automotive, personal electronics, communications equipment, and enterprise systems.
TI is recognized for its innovation and contribution to the development of technology that supports the advancement of modern electronics. The company is heavily invested in research and development to continually push the boundaries in semiconductor technology. Products like the ISO7842DWWR, which is a digital isolator, reflect TI's focus on delivering components that enhance the performance and efficiency of electronic systems.

Application

The ISO7842DWWR is a high-performance, quad-channel digital isolator used in various applications requiring electrical isolation and signal integrity. Key application areas include:
1. Industrial Automation: Facilitates communication between different voltage domains, ensuring safe and reliable operation.
2. Power Electronics: Used in inverters and motor drives to provide noise immunity and protect against high voltage transients.
3. Medical Equipment: Provides patient safety and device reliability by electrically isolating patient-connected and non-patient-connected parts.
4. Data Communication: Ensures signal integrity and isolation in interfaces like RS-485, CAN, and SPI.
5. Renewable Energy Systems: Used in solar inverters and wind turbine controls for efficient energy conversion and system protection.

Package

The ISO7842DWWR is an electronic component that comes in a 16-pin SOIC (Small Outline Integrated Circuit) wide-body package. It typically has gull-wing leads for surface mounting on printed circuit boards.

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