ADUM7640CRQZ

Common Mode Transient Immunity (Min):	15kV/µs
Base Part Number:	ADUM7640
Supplier Device Package:	20-QSOP
Package / Case:	20-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Voltage - Supply:	3 V ~ 5.5 V
Rise / Fall Time (Typ):	2ns, 2ns
Pulse Width Distortion (Max):	6ns
Propagation Delay tpLH / tpHL (Max):	50ns, 50ns
Data Rate:	25Mbps
Series:	iCoupler®
Voltage - Isolation:	1000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	6/0
Number of Channels:	6
Isolated Power:	No
Type:	General Purpose
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tube

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Introduction to Digital IsolatorsDigital isolators are electrical devices with the primary purpose of providing galvanic isolation between two signal paths. It means the signals on the two signal paths are not only completely separated from each other, but there is also no electrical connection between them. These isolators provide protection from electrical noise, high voltage applications and the chance of variation in ground potentials.Digital isolators are crucial components in many industrial and medical systems due to their ability to isolate signals. They are used in applications such as in data acquisition systems, industrial control and automation, computer interfaces, power control, and more.Description of the ADUM7640CRQZThe ADUM7640CRQZ is a digital isolator, also known as an optocoupler. It is a pair of two-channel isolation ICs designed for harsh industrial applications, featuring a wide operating temperature range of -55°C to +125°C. It utilizes an optical data transmission technique to achieve high-speed data and power isolation, offer exceptional immunity to EFT, ESD and surges.The ADUM7640CRQZ is available in a standard 8-pin DIP package, making it suitable for a wide range of applications, such as industrial control, data acquisition, motor control, robotics and more. The device also provides anti-ringing for increased noise immunity.Working PrincipleThe ADUM7640CRQZ makes use of optical coupling to maintain electrical isolation between two signal lines, also known as an optocoupler. This technology uses a light-emitting diode to send a series of pulses of light between two sides of the device – an input side and an output side.On the input side, the device detects an electrical signal’s voltage level and converts it into a corresponding pulse of light. On the output side, the device then receives the pulses of light and converts them back into a corresponding electrical signal.The benefit of this technology is that the data is entirely separated and isolated from any intervening components. This means that there is a high degree of electrical insulation and it also offers strong protection from EFT and ESD.Application Fields of the ADUM7640CRQZThe ADUM7640CRQZ digital isolator is designed for a variety of different applications. It offers efficient, fast transmission of data and electrical power between two signal lines. It can be used in a wide range applications, including industrial control, data acquisition, motor control, robotics, and more.The isolator is also highly reliable and offers superior protection from interference, surges, EMI, and ESD, making it suitable for harsh industrial environments. Its high-speed performance and anti-ringing makes it a great choice for high-speed data acquisition and control applications.ConclusionThe ADUM7640CRQZ digital isolator is a great option for efficient and reliable data and power transmission in a wide range of applications. Its optocoupler technology ensures strong isolation between two lines, as well as excellent protection against electrical noise and surges. Its wide operating temperature range, anti-ringing and high-speed performance make it suitable for a variety of harsh industrial applications.

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