ISO7841DWR Isolators

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:	3/1
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Digital isolators are an important component used often in communication and power systems, as they are essential for protecting a device from electrical noise. The ISO7841DWR is a type of isolation device made by Burr-Brown, a Texas Instruments company. It has wide application in digital circuits and systems.The ISO7841DWR is a two-channel digital isolator that provides isolation between two circuits of differential signals. On the primary side, it provides four inputs that support signals up to 5.5 Volts. On the secondary side, it comes with two actively driven outputs that can support different levels of logic voltages.The main feature of the ISO7841DWR that makes it unique is its ultra-low-power consumption, which allows it to be used in systems that require low power or battery operation. It automatically goes into stand-by mode after a certain period of inactivity. This saves power when not in use but enables quick response when active.The ISO7841DWR uses a transformer and optical coupling to provide physical and electrical isolation between the primary and the secondary sides. The transformer is used to transfer signal, power, and data between the two sides. The optical coupling is used to provide a high degree of insulation between the two circuits, resulting in improved level of signal integrity and improved protection against electrical noise.The working principle of the ISO7841DWR is quite simple. The inputs on the primary side are first checked for logic states. The circuit then creates a gate voltage on the secondary side based on the logic states of the input on the primary side. The gate voltage opens up a gate capacitor which is then coupled with the output circuitry on the secondary side. This results in the usage of an isolated output voltage that can be used in any circuitry as per need. The ISO7841DWR is suitable for use in a wide range of digital communication systems. It is suitable for applications such as serial communication, I2C, SPI, digital audio, CAN bus, etc. Due to its excellent isolation characteristics, the ISO7841DWR is also widely used in power systems such as DC-DC converters, AC/DC power supplies, inverters, and other electrical power supply systems. It can also be used for electrical protection from EMI and ESD.The ISO7841DWR from Burr-Brown is an ideal solution for a wide range of digital and power applications. It provides outstanding signal isolation, minimal power consumption, and excellent protection against EMI and ESD. Due to its low power and small size, it is suited for embedded systems with limited space for components. The ISO7841DWR is a cost-effective way to provide the high level of electrical isolation and signal integrity required in today\'s modern digital communication and power systems.

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