SI8220CB-A-IS

Current - Output High, Low:	1.5A, 2.5A
Approvals:	CSA, UR, VDE
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:	12.2 V ~ 24 V
Current - DC Forward (If) (Max):	30mA
Voltage - Forward (Vf) (Typ):	2.5V (Max)
Current - Peak Output:	2.5A
Series:	Automotive, AEC-Q100
Rise / Fall Time (Typ):	20ns, 20ns (Max)
Pulse Width Distortion (Max):	--
Propagation Delay tpLH / tpHL (Max):	60ns, 40ns
Common Mode Transient Immunity (Min):	30kV/µs (Typ)
Voltage - Isolation:	2500Vrms
Number of Channels:	1
Technology:	Capacitive Coupling
Part Status:	Obsolete
Packaging:	Tube

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Introduction
Isolators are an important component in many industries. They are used to isolate two circuits electrically, preventing any current or voltage from passing between them. In order to switch between the two circuits in a controlled and reliable fashion, a gate driver is required. The SI8220CB-A-IS is a popular gate driver that is employed in a variety of applications.

SI8220CB-A-IS Overview
The SI8220CB-A-IS from Silicon Laboratories is a monolithic isolated gate driver that is specifically designed for use in RS-485 and other high-speed communications systems. The device provides isolation between two circuits through the use of optically isolated gate drivers, which are integrated into the device. The SI8220CB-A-IS features a wide common-mode voltage range, a wide operating temperature range, and high EMI rejection.

Applications
The SI8220CB-A-IS can be used in a variety of applications due to its wide common-mode voltage range and high EMI rejection capabilities. These include industrial communications systems, medical equipment, intelligence and security systems, automotive and avionic systems, power equipment, and consumer electronics. The device is also suitable for use in hazardous locations due to its integrated isolation.

Features
The SI8220CB-A-IS features a wide common-mode voltage range of -40 V to +135 V, which makes it suitable for use in power systems. The device offers high EMI rejection ratings, up to 80 dB, which makes it suitable for use in high-noise environments. The integrated isolation provides up to 3 kVrms of insulation, and the SI8220CB-A-IS also features a wide operating temperature range of -40 to +105°C.

Working Principle
The SI8220CB-A-IS uses optically isolated gate drivers to switch between two circuits. The device has an output stage and an input stage, which are separated by an optical isolator. The input stage receives signals from a microcontroller and converts them to analog signals. These signals are then sent to the output stage, where they are converted back to digital signals which are sent to the gate driver. The gate driver then switches the two circuits in a controlled and reliable fashion.

Conclusion
The SI8220CB-A-IS is a popular gate driver that is suitable for use in a variety of applications. The device offers high EMI rejection ratings, wide common-mode voltage ranges, and a wide operating temperature range. The SI8220CB-A-IS uses optically isolated gate drivers to switch between two circuits in a controlled and reliable fashion.

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