SI8400AB-B-ISR The Silicon Labs SI8400AB-B-ISR is a digital isolator designed for reliable signal isolation. It offers 2500Vrms isolation and operates within a wide temperature range.
Mfr Part #:

SI8400AB-B-ISR

Available from 3 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs SI8400AB-B-ISR is a digital isolator designed for reliable signal isolation. It offers 2500Vrms isolation and operates within a wide temperature range.
✓ Total Stock: 20,496 pcs

SI8400AB-B-ISR Available from 3 distributors

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✓ Non-Authorised
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9,864 pcs
9864 pcs On Request 1 On Request On Request 24+ On Request On Request
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8,790 pcs
8790 pcs On Request 1 On Request On Request 18+ On Request On Request
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1,842 pcs
1842 pcs On Request 1 On Request On Request On Request On Request On Request

SI8400AB-B-ISR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Halogen Free
Number of Channels
Operating Temperature
SVHC Present
Technology

SI8400AB-B-ISR Description

Short technical summary and product information.

The Silicon Labs SI8400AB-B-ISR is a digital isolator belonging to the Si8400AB series. This component utilizes capacitive coupling technology to provide robust signal isolation, rated at 2500Vrms for enhanced safety and reliability. It is designed for bidirectional data transfer and supports the I2C protocol, making it suitable for various communication interfaces.

 

The device operates with a supply voltage range of 3V to 5.5V and maintains functionality across an extended operational temperature range of -40°C to 125°C. It features 2 channels and offers a high common-mode transient immunity of 25kV/µs (typical). The SI8400AB-B-ISR is supplied in an 8-SOIC package, suitable for surface mounting.

 

This digital isolator is ideal for applications requiring galvanic isolation between different parts of a circuit, protecting sensitive components and improving system integrity. Its specifications make it a reliable choice for industrial, automotive, and consumer electronics where noise reduction and signal integrity are critical.

SI8400AB-B-ISR Quick Information

Product Type: Digital Isolator
Series: Si8400AB
Canonical Name: Silicon Labs SI8400AB-B-ISR Digital Isolator
Subcategory: Digital Isolators

SI8400AB-B-ISR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

SI8400AB-B-ISR Features

  • 2500Vrms voltage isolation for safety.
  • Operates from 3V to 5.5V supply.
  • Wide -40°C to 125°C operating temperature.
  • Supports bidirectional I2C protocol.
  • Capacitive coupling technology used.

SI8400AB-B-ISR Applications

  • Ideal for I2C communication systems.
  • Provides galvanic isolation between circuits.
  • Protects sensitive electronic components.
  • Enhances signal integrity in noisy environments.

SI8400AB-B-ISR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage isolation rating of the SI8400AB-B-ISR?

The SI8400AB-B-ISR offers 2500Vrms voltage isolation.

What is the operating temperature range for this digital isolator?

The operating temperature range is -40°C to 125°C.

What supply voltage does the SI8400AB-B-ISR require?

The supply voltage range is 3V to 5.5V.

What type of coupling technology does the SI8400AB-B-ISR use?

The technology used is Capacitive Coupling.

Which protocol does the SI8400AB-B-ISR support?

This product supports the I2C protocol.

How many channels are available on the SI8400AB-B-ISR?

The device has 2 channels.

What is the package type for the SI8400AB-B-ISR?

The package type is 8-SOIC.

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