Allicdata Part #: | 296-42455-5-ND |
Manufacturer Part#: |
ISO7840FDW |
Price: | $ 0.00 |
Product Category: | Isolators |
Manufacturer: | Texas Instruments |
Short Description: | DGTL ISO 5.7KV GEN PURP 16SOIC |
More Detail: | General Purpose Digital Isolator 5700Vrms 4 Channe... |
DataSheet: | ISO7840FDW Datasheet/PDF |
Quantity: | 797 |
Specifications
Common Mode Transient Immunity (Min): | 100kV/µs |
Supplier Device Package: | 16-SOIC |
Package / Case: | 16-SOIC (0.295", 7.50mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -55°C ~ 125°C |
Voltage - Supply: | 2.25 V ~ 5.5 V |
Rise / Fall Time (Typ): | 1.7ns, 1.9ns |
Pulse Width Distortion (Max): | 4.1ns |
Propagation Delay tpLH / tpHL (Max): | 16ns, 16ns |
Data Rate: | 100Mbps |
Series: | -- |
Voltage - Isolation: | 5700Vrms |
Channel Type: | Unidirectional |
Inputs - Side 1/Side 2: | 4/0 |
Number of Channels: | 4 |
Isolated Power: | No |
Type: | General Purpose |
Technology: | Capacitive Coupling |
Part Status: | Active |
Packaging: | Tube |
Description
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Digital Isolators - ISO7840FDW Application Field and Working Principle
The ISO7840FDW is a digital isolator that is popularly used in a wide range of industries. It is also a popular choice for industrial automation and control systems. This digital isolator has the ability to provide isolation between two circuits for signal and/or power applications in the frequency range of 10MHz–2GHz. The main application fields for this digital isolator are in industrial equipment such as test and measurement, motor drives, motor control, audio and marine electronics, and more. The ISO7840FDW also supports a wide range of applications in the consumer market where integrated signal and power isolation is needed. This digital isolator operates under a variety of principles in order to provide isolation to two circuits. The primary principle is capacitive coupling which involves the use of a capacitive field between two points, allowing small signals to pass through without coupling any of the current or voltage from one side to the other. This eliminates the need for power or signal relays. The other operating principles used by the ISO7840FDW are magnetic coupling and optical isolation. Magnetic coupling uses a magnetic field to produce a current “eddy” which couples with the coils on either side of the isolator. This creates a transfer of current/voltage without the need for relays or other power sources. Finally, optical isolation involves the use of an optocoupler which transmits the signal through various forms of optical radiation. The capabilities of the ISO7840FDW have been further enhanced by the addition of a number of features which ensure compatibility with a vast range of applications. Firstly, the digital isolator has a wide temperature range (−55°C to 125°C), making it compatible with a range of operating environments. Additionally, this digital isolator also has the ability to provide up to 3000Vrms or 4kV DC isolation. This is due to its reinforced insulation which eliminates the risk of noise coupling or voltage breakdown. Finally, this digital isolator also has an innovative shutdown and reset functionality, which enables the user to quickly power cycle the device in the case of system errors. This feature is essential for ensuring safe operation of the ISO7840FDW and the connected systems. In conclusion, the ISO7840FDW is a versatile digital isolator which is widely used in a range of applications. It makes use of a variety of principles in order to achieve isolation, and its range of features make it a highly sought after item in the digital isolator market.The specific data is subject to PDF, and the above content is for reference
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