Texas Instruments

ISO7842FDWW

ISO7842FDWW Description

The ISO7842FDWW is a high-performance digital isolator manufactured by Texas Instruments, designed to provide reliable isolation in digital communication systems. This device features 4 unidirectional channels, offering robust data transmission with a data rate of 100Mbps. The ISO7842FDWW uses capacitive coupling technology for effective isolation, ensuring a high level of performance and safety in various applications.

ISO7842FDWW Features

• Technical Specifications:

  • Inputs: 2/2 (Side 1/Side 2)
  • Rise/Fall Time (Typ): 1.7ns/1.9ns
  • Common Mode Transient Immunity (Min): 100kV/µs
  • Pulse Width Distortion (Max): 4.1ns
  • Propagation Delay tpLH/tpHL (Max): 16ns/16ns
  • Voltage - Supply: 2.25V ~ 5.5V
  • Voltage - Isolation: 5700Vrms
  • Isolated Power: No
  • Technology: Capacitive Coupling
  • Number of Channels: 4
  • Channel Type: Unidirectional
  • Data Rate: 100Mbps
  • Mounting Type: Surface Mount
  • Package: Tube
  • Base Product Number: ISO7842

• Regulatory Compliance:

  • REACH Status: REACH Unaffected
  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level (MSL): 2 (1 Year)
  • ECCN: EAR99
  • HTSUS: 8542.39.0001

• Unique Features and Advantages:

  • High isolation voltage (5700Vrms) for increased safety and reliability
  • Low propagation delay (16ns) for fast data transmission
  • Robust common mode transient immunity (100kV/µs) for protection against electrical noise
  • Wide supply voltage range (2.25V to 5.5V) for compatibility with various power sources

ISO7842FDWW Applications

The ISO7842FDWW is ideal for a wide range of applications where reliable digital isolation is required. Some specific use cases include:

1. Industrial Automation: Isolating digital signals in control systems to prevent ground loops and ensure safe operation.
2. Power Electronics: Protecting high-voltage power systems from electrical noise and transients.
3. Automotive Applications: Isolating digital communication lines in electric and hybrid vehicles for increased safety and reliability.
4. Medical Equipment: Ensuring isolation between low-voltage control circuits and high-voltage power supplies for patient safety.

Conclusion of ISO7842FDWW

The ISO7842FDWW is a high-performance digital isolator that offers robust isolation, fast data transmission, and excellent protection against electrical noise. Its unique features and wide range of applications make it an ideal choice for various industries, including industrial automation, power electronics, automotive, and medical equipment. With its high isolation voltage, low propagation delay, and compliance with regulatory standards, the ISO7842FDWW is a reliable solution for ensuring safe and efficient digital communication in demanding environments.