SI8452BB-A-IS1R Allicdata Electronics
Allicdata Part #:

SI8452BB-A-IS1R-ND

Manufacturer Part#:

SI8452BB-A-IS1R

Price: $ 1.77
Product Category:

Isolators

Manufacturer: Silicon Labs
Short Description: DGTL ISO 2.5KV GEN PURP 16SOIC
More Detail: General Purpose Digital Isolator 2500Vrms 5 Channe...
DataSheet: SI8452BB-A-IS1R datasheetSI8452BB-A-IS1R Datasheet/PDF
Quantity: 1000
2500 +: $ 1.60891
Stock 1000Can Ship Immediately
$ 1.77
Specifications
Common Mode Transient Immunity (Min): 25kV/µs (Typ)
Supplier Device Package: 16-SOIC
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C
Voltage - Supply: 2.7 V ~ 5.5 V
Rise / Fall Time (Typ): 3.8ns, 2.8ns
Pulse Width Distortion (Max): 2.5ns
Propagation Delay tpLH / tpHL (Max): 9.5ns, 9.5ns
Data Rate: 150Mbps
Series: --
Voltage - Isolation: 2500Vrms
Channel Type: Unidirectional
Inputs - Side 1/Side 2: 3/2
Number of Channels: 5
Isolated Power: No
Type: General Purpose
Technology: Capacitive Coupling
Part Status: Not For New Designs
Packaging: Tape & Reel (TR) 
Description

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Digital isolators are essential components used in industry and the medical field to protect sensitive equipment and devices from power supplies, high-voltage circuits, and electromagnetic interference (EMI). The SI8452BB-A-IS1R chip is a great example of a digital isolator. This article will discuss this chip\'s application field and working principle.

Application Field

The SI8452BB-A-IS1R is mainly used in medical equipment, automobiles, circuit boards, and other high voltage equipment. Its wide range of use cases enables efficient power conversion in such applications. The chip is especially suited for equipment that requires high noise immunity, data transmission over long distances, or extreme temperatures.

In medical equipment, the device is used in Single Inline Package (SIP) applications where space is limited and EMI immunity is paramount. It is also used in modulating drivers to ensure extreme accuracy and to reduce the effects of EMI on the equipment. In automobiles, the SI8452BB-A-IS1R is used in powertrains to reduce the effects of high-voltage electric motors and high-power loads.

This isolator is also ideal for circuit boards with high-voltage circuits that are prone to transients, EMI, and electromagnetic pollution. Employing this device in such boards can help protect sensitive components from getting damaged due to wide voltage fluctuations.

Working Principle

The SI8452BB-A-IS1R chip uses digital galvanic isolation principles to provide noise immunity and robust data transmission over long distances. This chip uses digital isolation ICs like optocouplers and magnetic isolation techniques to isolate the input and output signals from each other. In addition, it allows the CPU to communicate with its peripheral without any data or ground reference between the two devices.

To achieve effective isolation, the chip uses a switched capacitor technique to store the digital input and output signals in a capacitive divider. This permits the chip to transfer the digital signals across the isolation barrier without any physical connection and therefore without the risk of EMI or power glitches.

The SI8452BB-A-IS1R is a great choice for any applications that involve significant levels of noise immunity, data transmission over long distances, or extreme temperatures. Its advanced digital isolation principles and wide range of practical applications make it a valuable device for any project.

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

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