SI8422AB-D-ISR

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SI8422AB-D-ISR

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DGTL ISOLTR 2.5KV 2CH GP 8-SOIC

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Spezifikationen

Attribut Wert
PartStatus Active
Technology Capacitive Coupling
Type General Purpose
IsolatedPower No
NumberofChannels 2
Inputs-Side1/Side2 1/1
ChannelType Unidirectional
Voltage-Isolation 2500Vrms
CommonModeTransientImmunity(Min) 20kV/µs
DataRate 1Mbps
PropagationDelaytpLH/tpHL(Max) 35ns, 35ns
PulseWidthDistortion(Max) 25ns
Rise/FallTime(Typ) 2ns, 2ns
Voltage-Supply 2.7V ~ 5.5V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber SI8422

Übersicht

Description

The SI8422AB-D-ISR is a digital isolator from Silicon Labs, designed for applications requiring electrical isolation and reliable data transmission. It features a dual-channel configuration with a maximum data rate of up to 150 Mbps, making it suitable for high-speed communication interfaces. This device is part of the Si84xx family, which is known for its robust isolation capabilities, typically offering isolation ratings up to 2.5 kVrms. It utilizes Silicon Labs' proprietary RF isolation technology, ensuring consistent performance while minimizing cross-talk and power consumption.
The SI8422AB-D-ISR is commonly used in industrial automation, medical devices, and other applications where safety and signal integrity are of utmost importance. It comes in a compact, surface-mount package, making it easy to integrate into various circuit designs. Additionally, this isolator provides excellent common-mode transient immunity and very low power consumption, enhancing system reliability and efficiency. It operates over a wide temperature range, accommodating diverse environmental conditions. Overall, the SI8422AB-D-ISR is a versatile solution for galvanic isolation in digital communication systems.

Equivalent

The SI8422AB-D-ISR is a digital isolator by Silicon Labs. Equivalent products from other manufacturers with similar specifications may include:
1. ADuM1200 series by Analog Devices
2. ISO7420 series by Texas Instruments
3. MAX14930 series by Maxim Integrated (now part of Analog Devices)
These alternatives offer similar isolation voltage, channel configuration, and data rate. However, always check the specific use-case requirements, as there can be differences in features like power consumption, package, or certification.

Features

The SI8422AB-D-ISR is a digital isolator that offers several key features. It provides robust isolation with a high level of noise immunity, ensuring reliable data transmission between systems that operate at different ground potentials. This device supports a maximum data rate of up to 150 Mbps, making it suitable for high-speed communication applications. It features low power consumption, which is beneficial for energy-efficient designs.
The SI8422AB-D-ISR is designed with safety in mind, featuring a high common-mode transient immunity (CMTI) to prevent data corruption in noisy environments. It complies with various safety standards, providing reinforced isolation, which is critical for applications requiring safety certifications.
The device includes two channels, supporting bi-directional communication. It operates over a wide temperature range, ensuring performance stability under various conditions. Additionally, it is housed in a compact package, facilitating easy integration into space-constrained applications. These features make the SI8422AB-D-ISR an ideal choice for industrial automation, medical equipment, and other applications requiring secure, high-speed data isolation.

Pinout

The SI8422AB-D-ISR is a digital isolator manufactured by Silicon Labs. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The device provides two channels of digital isolation using Silicon Labs’ proprietary silicon isolation technology.
Here are the primary pin functions for the SI8422AB-D-ISR:
1. VDD1: Power supply for side 1.
2. GND1: Ground for side 1.
3. INA: Input for channel A (side 1).
4. INB: Input for channel B (side 1).
5. VDD2: Power supply for side 2.
6. GND2: Ground for side 2.
7. OUTA: Output for channel A (side 2).
8. OUTB: Output for channel B (side 2).
The SI8422AB-D-ISR provides isolation for digital signals, making it suitable for applications requiring electrical isolation to protect sensitive components or to break ground loops in systems.

Manufacturer

The SI8422AB-D-ISR is manufactured by Skyworks Solutions, Inc. Skyworks is a semiconductor company that specializes in the design and production of analog and mixed-signal semiconductors. The company provides solutions for a variety of applications, including those in the wireless communications, automotive, aerospace, and internet of things (IoT) sectors. Skyworks' products are widely used in enabling wireless connectivity and communication technologies.

Application

The SI8422AB-D-ISR is a digital isolator commonly used in applications requiring electrical isolation and noise immunity. Its key application areas include:
1. Industrial Automation: Protects data communication in harsh environments.
2. Power Electronics: Isolates different voltage levels in power conversion systems.
3. Medical Devices: Ensures patient safety by isolating user interfaces from electrical systems.
4. Telecommunications: Provides isolation in network infrastructure.
5. Automotive Systems: Used in EVs for isolating battery management systems.
6. Smart Grids: Enhances isolation in metering and control systems.
This isolator helps maintain data integrity across isolated domains, improving system reliability and safety.

Package

The SI8422AB-D-ISR is a digital isolator from Silicon Labs, typically available in a narrow body SOIC-16 (Small Outline Integrated Circuit) package. This package type is designed for surface mounting on printed circuit boards, providing electrical isolation between different sections of a circuit while maintaining signal integrity.

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