Digital Isolation and Interface Technology

In today’s increasingly digitalized world ranging from Industry 4.0 to automotive electrification and digital health, Analog Devices is the expert where electrical meets electronic. With ubiquitous sensing and digitization, certified iCoupler digital isolators protect people, assets, and data from high voltages and hazardous environments. Our portfolio delivers best-in-class patented digital isolation technology for data, high power isolated dc-to-dc converters and communication protocols ranging from RS485, USB and CAN to gigabit LVDS and on to isolated gate drivers crafted for IGBT & SiC, isolated switches, and isolated Σ-Δ (sigma-delta) ADC modulators & amplifiers.

Trusted safety and data integrity

ADI’s Digital Isolation Solutions

Isolated Data

ADI’s iCoupler digital isolators enable robust solutions with the flexibility of up to six channels. Products meet stringent safety standards including the ability to isolate IS-IS with our intrinsically safe certified digital isolators. AEC Q100 automotive certified versions are also available.

  • Standard Digital Isolators
Isolated Power Conversion

isoPower chip-scale transformers remove design complexity and optimize power solutions. μModule devices create solutions that provide additional auxiliary isolated power. Isolated amplifiers provide power supply engineers with an upgrade in speed, temperature, and transient response over traditional optocoupler options.

  • isoPower
  • Isolation Amplifiers
  • Isolated Gate Drivers
  • Flyback, Forward & Isolated Controllers
Isolated Communication

ADI offers integrated, compact, robust, and reliable solutions that solve our customers’ protocol transmission challenges. Our broad portfolio offers solutions spanning isolated field bus (RS-485, CAN, and LVDS) as well as peripheral communications (I2C, USB, SPI, and RS-232).

  • Isolated RS-485
  • Isolated Controller Area Network (CAN)
  • Isolated LVDS
  • I2C Isolators
  • USB Isolators
  • SPI Isolators
  • Isolated RS-232

The ADI iCoupler® Advantage

Seamless Integration for Ease of Use: Simplifies system design with the industry’s broadest portfolio for faster time to market and lower overall system cost.

Industry’s Highest-Speed and Highest-Voltage Isolation: Enables high resolution imaging systems and high bandwidth links between processors, when data and resolution are critical.

Ensures Data Integrity: Data remains complete — intact and on time in the harshest operating environments. This enables customers to meet regulatory requirements with shortened time to market.

Quality and Reliability for Trusted Safety: ADI is the leading innovator for digital isolation, providing best-in-class quality and comprehensive engineering resources. Our fully certified components and solutions create trust and instill peace of mind for customers.

 

Application Areas

Vehicle Electrification
Fully certified components and solutions offer trusted automotive-grade safety

Industrial Automation
Ensure accurate communication data reaches its destination complete and unharmed, even in the harshest environments

Digital Health
Reinforced isolation and high noise immunity for protected system solutions when quality is critical for data and patients

2020 Digital Isolation and Interface Technology Selection Guide

New and Featured Isolation Products


Digital Isolators with Isolated Power
Part #Number of ChannelsIsolation Rating (kV rms)Power Supply (V)Max Data Rate (Mbps)Isolated Power OutputMax Temp (°C)Package
ADuM6420A1454.5 to 5.5 or 3.0 to 3.6100500 mW12528-lead SOIC_FP
ADuM6421A1454.5 to 5.5 or 3.0 to 3.6100500 mW12528-lead SOIC_FP
ADuM6422A1454.5 to 5.5 or 3.0 to 3.6100500 mW12528-lead SOIC_FP
ADP103172.54.5 to 6016.6 12541-lead LFCSP
LTM281067.51.62 to 5.5201 W12536-ball BGA

1 Logic supply voltage range (VL or VIO) 1.6 V/1.7 V to 5.5 V.

 
Isolated RS-485 Transceivers
Part #Insulation Rating (kV rms)Max Data RatePower Supply (V)Max Temp (°C)Packages
Logic SideBus Side
ADM2461E5.7500kbps1.7 to 5.53.0 to 5.512516-lead SOIC_W
ADM2463E5.7500kbps1.7 to 5.53.0 to 5.512516-lead SOIC_W
ADM2563E13500kbps1.7 to 5.5 10528-lead SOIC_FP
ADM2567E1325Mbps1.7 to 5.5 10528-lead SOIC_FP
ADM2863E15.7500kbps1.7 to 5.5 10528-lead SOIC_FP
ADM2867E15.725Mbps1.7 to 5.5 10528-lead SOIC_FP

1 Logic supply voltage range (VL or VIO) 1.6 V/1.7 V to 5.5 V.

 
3.3 V RS-485 Transceivers
Part #Max Data RateDuplexNumber of NodesESDFail-SafeSupply (V)Max Temp (°C)Packages
HBM (kV)IEC
ADM3063E500kbpsFull12830Level 4Idle, open, short3.0 to 5.512514-lead SOIC
ADM3064E500kbpsFull12830Level 4Idle, open, short3.0 to 5.5,VIO 1.62 to 5.512514-lead SOIC
ADM3067E150MbpsFull12830Level 4Idle, open, short3.0 to 5.512514-lead SOIC
ADM3068E50MbpsFull12830Level 4Idle, open, short3.0 to 5.5, VIO 1.62 to 5.512514-lead SOIC

1 Enhanced products (EP) qualified models available.

 
5.0 V RS-485 Transceivers
Part #Max Data RateDuplexNumber of NodesESDFail-SafeSupply (V)Max Temp (°C)Packages
HBM (kV)IEC
ADM3063E500kbpsFull12830Level 4Idle, open, short3.0 to 5.512514-lead SOIC
ADM3064E500kbpsFull12830Level 4Idle, open, short3.0 to 5.5,VIO 1.62 to 5.512514-lead SOIC
ADM3067E150MbpsFull12830Level 4Idle, open, short3.0 to 5.512514-lead SOIC
ADM3068E50MbpsFull12830Level 4Idle, open, short3.0 to 5.5, VIO 1.62 to 5.512514-lead SOIC

1 Enhanced products (EP) qualified models available.

 
Isolated CAN Transceivers
Part #Fault Protection (V)Insulation Rating (kV rms)Max Data Rate (Mbps)Power Supply (V)Max Temp (°C)Packages
Logic SideBus Side
ADM3050E1±405.7121.7 to 5.551258-lead SOIC_IC, 16-lead SOIC_W
ADM3056E±405.7121.7 to 5.5512516-lead SOIC_IC
ADM3057E1±403124.5 to 5.5, VIO 1.7 to 5.5510520-lead SOIC_W

1 Enhanced products (EP) qualified models available.

 
Low Voltage Differential Signaling (LVDS) Isolators
Part #Max Data Rate (Mbps)Max Prop Delay (ns)Number of ChannelsInputsInsulation Rating (kV rms)Working Voltage (V rms/VPEAK)Special FeaturesMax Temp (°C)Packages
Side 1Side 2
ADN465411004.52205300/424 12520-lead SSOP,20-lead SOIC_W
ADN465511004.52115300/424Fail-safe12520-lead SSOP,20-lead SOIC_W
ADN465611004.52115300/424Fail-safe10520-lead SSOP,20-lead SOIC_W
 
I2C Isolators
Part #Isolation Rating (kV rms)Power Supply (V)Serial DataSerial ClockMax Frequency (kHz)Isolated Power OutputMax Temp (°C)Package
LTM28107.51.625 to 5.5BidirectionalUnidirectional4001 W (adj 3 V to 5 V, +5 V, –5 V)12536-ball BGA
 
SPI Digital Isolators – SPIsolator or µModule Isolated SPI
Part #Product FeaturePower Supply (V)Isolation Rating (kV rms)No. Auxiliary InputsSlave PortsMax SPI CLK Rate (MHz)Integrated Isolated PowerIsolated Power OutputMax Temp (°C)Package
Side 1Side 2
LTM2810Aux channels1.62 to 5.57.53318Integrated transformer driver1W12536-ball BGA
 
SPI Interface
Part #Product FeaturePower Supply (V)Max SPI CLK Rate (MHz)Slave PortsIEC Level 4 ESD (kV)Max Temp (°C)Package
LTC4332Multiple slave support1.625 to 5.523812520-lead QFN
 
Isolated Gated Drivers
Part #Isolated ChannelsInsulation Rating (kV rms)Min Pulse Width (ns)Output Voltage Range (V)Output Current (APEAK)Input Logic LevelsMax Temp (°C)Package
ADuM412225504.5 to 353CMOS1258-lead SOIC_IC
ADuM41371157012 to 256CMOS15028-lead SOIC_W_FP

1 Automotive qualified models available.

Resources

Video
Got EMI? Fix It with the Latest ADI isoPower + Isolated Data

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