ISO7320CD Allicdata Electronics
Allicdata Part #:

ISO7320CD-ND

Manufacturer Part#:

ISO7320CD

Price: $ 0.00
Product Category:

Isolators

Manufacturer: Texas Instruments
Short Description: DGTL ISO 3KV 2CH GEN PURP 8SOIC
More Detail: General Purpose Digital Isolator 3000Vrms 2 Channe...
DataSheet: ISO7320CD datasheetISO7320CD Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Common Mode Transient Immunity (Min): 25kV/µs
Supplier Device Package: 8-SOIC
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C
Voltage - Supply: 3 V ~ 5.5 V
Rise / Fall Time (Typ): 2.4ns, 2.1ns
Pulse Width Distortion (Max): 4ns
Propagation Delay tpLH / tpHL (Max): 57ns, 57ns
Data Rate: 25Mbps
Series: --
Voltage - Isolation: 3000Vrms
Channel Type: Unidirectional
Inputs - Side 1/Side 2: 2/0
Number of Channels: 2
Isolated Power: No
Type: General Purpose
Technology: Capacitive Coupling
Part Status: Active
Packaging: Tube 
Description

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Digital isolators use a variety of isolation techniques such as optically or capacitively coupled or galvanic isolation to provide protection for users and other equipment from electrical hazards, such as transient voltage and high-frequency noise. The ISO7320CD is one such type of high-density digital isolator. This article will discuss its application field and working principle.

Application Field of ISO7320CD Digital Isolator

The ISO7320CD is a 4-Channel digital isolator with high-density, providing up to 3A/channel continuous current and up to 30A surge current capability for driving I/O relays and motors. Because of its high-density, fast ohmic switching, and high temperature range, it is widely used in industrial fields such as test and measurement equipment, automotive, factory automation, medical instrumentation, power automation, and home electronics.

It is also used in isolated DC-DC converters due to its high switching frequencies and low voltage levels. With its support for high temperature operation, it can be effectively used in applications like Printed Circuit Board (PCB) isolation, motor isolation, and load protection. Moreover, due to its wide voltage range of 6-30 V, it covers most applications.

Working Principle of ISO7320CD Digital Isolator

The ISO7320CD consists of four opto-isolator channels that are capable of providing isolated switching. It uses LED and phototransistor technologies in order to provide electrical isolation between input and output. The opto-isolator channels contain a combination of four series LEDs and phototransistors that act as an insulating barrier.

The switch is triggered by an input voltage coming from the upstream side. When the LED in the channel conducts, the phototransistor will turn on, creating a current pulse at the output inverting the logic level of the signal. This signal can be used for controlling downstream devices. The power signals from the upstream side of the switch are securely separated from the downstream side by the insulation layer.

The ISO7320CD is designed to meet the latest safety regulations such as the 2007 International Electrotechnical Commission (IEC) 60950 standard. This standard defines the safety requirements for household and commercial electrical and electronic equipment. Its high-temperature range and high surge rated current guarantee high-reliability operation in harsh environmental conditions.

The ISO7320CD is a high-density 4-Channel digital isolator that can be used in a wide range of industrial, automotive, and consumer applications. It features wide input voltage range, high isolation voltage, high surge capability, and high temperature range, making it suitable for most applications that require electrical isolation. It is also compliant with the latest safety regulations.

The specific data is subject to PDF, and the above content is for reference

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