SI8641EC-B-IS1

SMD digital isolator interface IC capable of reaching speeds up to 150Mbps, operating at a voltage range of 2.5 to 5.5VDC, packaged in SO16
5,514 Effective Inventory

SI8641EC-B-IS1

Effective Inventory5,514

SMD digital isolator interface IC capable of reaching speeds up to 150Mbps, operating at a voltage range of 2.5 to 5.5VDC, packaged in SO16

  • Manufacturer Part # : SI8641EC-B-IS1

  • Package/Case: SOICNarrow-16

  • Part Status : Active

  • Brand: Skyworks Solutions

  • Product Categories : Digital Isolators

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Service & Packaging

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SI8641EC-B-IS1 DataSheet
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Please submit RFQ for SI8641EC-B-IS1 or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The SI8641EC-B-IS1 from Silicon Labs is a cutting-edge digital isolator with a maximum data rate of 150 Mbps, making it an ideal choice for high-speed communication in industrial automation, automotive, and telecommunications applications. Its reinforced insulation barrier with a working voltage of 5000 Vrms ensures reliable isolation and protection for sensitive components in high voltage environments. With four channels and bidirectional communication capabilities, this device excels at isolating signals and safeguarding systems from electrical interference

Key Features

  •  High-speed operation
  • DC to 150 Mbps
  •  No start-up initialization required
  •  Wide Operating Supply Voltage
  • 2.5–5.5 V
  •  Up to 5000 VRMS isolation
  •  60-year life at rated working voltage
  •  High electromagnetic immunity
  •  Ultra low power (typical)
  • 5 V Operation
  • 1.6 mA per channel at 1 Mbps
  • 5.5 mA per channel at 100 Mbps
  • 2.5 V Operation
  • 1.5 mA per channel at 1 Mbps
  • 3.5 mA per channel at 100 Mbps
  •  Schmitt trigger inputs
  •  Selectable fail-safe mode
  • Default high or low output (ordering option)
  •  Precise timing (typical)
  • 10 ns propagation delay
  • 1.5 ns pulse width distortion
  • 0.5 ns channel-channel skew
  • 2 ns propagation delay skew
  • 5 ns minimum pulse width
  •  Transient Immunity 50 kV/µs
  •  AEC-Q100 qualification
  •  Wide temperature range
  •  –40 to 125 °C
  •  RoHS-compliant packages
  •  SOIC-16 wide body
  • SOIC-8 narrow body

Application

  • Medical

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! Digital Isolators RoHS Details
Series Si864x Mounting Style SMD/SMT
Package / Case SOIC-Narrow-16 Number of Channels 4 Channel
Polarity Unidirectional Data Rate ! 150 Mb/s
Isolation Voltage ! 3750 Vrms Isolation Type Capacitive Coupling
Supply Voltage - Max 5.5 V Supply Voltage - Min 2.375 V
Propagation Delay Time 8 ns Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 125 C Qualification AEC-Q100
Brand Skyworks Solutions, Inc. Development Kit si86xxiso-kit
Forward Channels 3 Channel Maximum Fall Time 4 ns
Maximum Rise Time 4 ns Moisture Sensitive Yes
Operating Supply Voltage ! 2.5 V to 5.5 V Output Current ! 10 mA
Pd - Power Dissipation 275 mW Product Type ! Digital Isolators
Protocol Supported General Purpose Pulse Width 5 ns
Pulse Width Distortion 4.5 ns Reverse Channels 1 Channel
Shutdown Shutdown Factory Pack Quantity 48
Subcategory Interface ICs Type General Purpose
Unit Weight 0.001764 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification SI8641EC-B-IS1 PDF Download

FAQs

What is SI8641EC-B-IS1?

The SI8641EC-B-IS1 is a quad-channel digital isolator manufactured by Silicon Labs. It provides four independent isolation channels for transferring digital signals across isolation boundaries. This device is ideal for applications requiring noise immunity, signal isolation, and voltage level translation, such as industrial automation, motor control, and isolated interface designs.

How Does SI8641EC-B-IS1 Work?

The SI8641EC-B-IS1 works by utilizing silicon dioxide barrier technology to isolate the digital signals and provide protection against voltage transients and electromagnetic interference. Each channel consists of an input side and an output side, ensuring that signals are transmitted across isolation barriers while maintaining signal integrity and reliability.

How Many Pins does SI8641EC-B-IS1 have and What are the Functions of the Pinout Configuration?

The SI8641EC-B-IS1 is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • CH1A, CH2A, CH3A, CH4A: Input channels on the primary (non-isolated) side.
  • CH1B, CH2B, CH3B, CH4B: Output channels on the secondary (isolated) side.
  • VDD, VDD_ISO: Power supply pins for the non-isolated and isolated sides, respectively.
  • GND, GND_ISO: Ground pins for the non-isolated and isolated sides, respectively.

What are the Pros and Cons of SI8641EC-B-IS1?

Pros:

  • Quad-Channel Isolation: Provides four independent isolation channels in a single package.
  • Noise Immunity: Enhances system reliability by isolating signals from noise and interference.
  • High Speed: Supports high-speed digital communication up to several megabits per second.
  • Compact Package: The 16-pin SOIC package offers space-efficient integration into circuit designs.

Cons:

  • Complexity: Requires careful consideration of power supply and grounding for proper isolation performance.
  • Cost: Quad-channel digital isolators may have a higher cost compared to single-channel alternatives.

Are There Any Equivalents/Alternatives to SI8641EC-B-IS1 for Recommendation?

  • The ISO7741 from Texas Instruments is a similar quad-channel digital isolator with comparable features.
  • Alternatives to the SI8641EC-B-IS1 include the ADM3251E from Analog Devices and the MAX14937 from Maxim Integrated.

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