ISO7761DBQR Isolators

Common Mode Transient Immunity (Min):	85kV/µs
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply:	2.25 V ~ 5.5 V
Rise / Fall Time (Typ):	1.1ns, 1.4ns
Pulse Width Distortion (Max):	4.9ns
Propagation Delay tpLH / tpHL (Max):	16ns, 16ns
Data Rate:	100Mbps
Series:	--
Voltage - Isolation:	3000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	5/1
Number of Channels:	6
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Digital Isolators

Digital isolators are an important class of electronic components, designed to provide isolation in circuits and systems. They consist of two parts: an isolated input and output stage. The input stage, usually a logic sampling gate, is isolated from the output stage using optical, capacitive or magnetic means. The goal is to prevent ground loops and create electrical separation between the two circuits, eliminating the risk of high voltage surges, noises, and ground loops.

ISO7761DBQR Application and Working Principle

ISO7761DBQR is an isolated digital signal isolator widely used in digital control applications. It can be used as the input and output in combination with digital control components such as microcontrollers, signal converters, FPGAs or ASICs. It provides a high degree of isolation between the input and the output, and a high level of signal integrity, helping to reduce the noise sensitivity and electromagnetic interference (EMI) levels.The ISO7761DBQR consists of an input stage, typically a logic sampling gate, and an isolated output stage. The input stage uses a low-power opto-coupler to isolate the system from the device’s voltage supply line. The output stage is also protected using an opto-coupler and can be either a logic gate or a differential signal line.The ISO7760DBQR device is designed to operate over a wide temperature range of -40°C to +85°C, is rated to 1.8kV rms, and has a signal speed of 4.2Mbits/s. It is also very efficient, with a power consumption of 0.5W at normal operating temperatures, and a package size of only 7-30mm. It is available in various packaging formats such as DIP-8, SO-8, and U-8, so can be used in almost any system.In summary, the ISO7761DBQR digital isolator is designed to provide a reliable, high-speed, low-power, cost-effective solution for digital control applications. It is an important type of digital isolator suitable for a wide range of applications, including communication, control, and industrial automation systems.

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