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SPIsolator Dedicated Digital Isolator for SPI Communications: Based on iCoupler® Digital Isolator Technology
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The World Leader in High Performance Signal Processing Solutions
Dedicated DigitalIsolator for SPI Communications
Based on iCoupler® Digital Isolator Technology
www.analog.com/SPIsolator
June 2014
®
www.analog.com/SPIsolator2
ADI has your SPI Bus Covered with a New Portfolio of SPI Digital Isolators
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Dedicated SPI IsolatorsSmall Footprint, Simple Design, Fast Speed, High Data Integrity Small Package
20-lead SSOP with 3.75kV Isolation rating
Multiple Slave Control Options
High Speed (Up to 40MHz) Low Propagation Delay
Extended Temperature Range to 125°C
Proven iCoupler Isolation (>1 Billion Channels Shipped)UL, CSA, VDE regulatory approvals (Pending)
Serves Variety of ApplicationsControl (PLC, Automotive, etc.)
High Data Integrity; Multiple Slaves; Auxiliary Data LinesSensor Monitoring (Instrumentation, Motor Control, etc.)
High Data Rates; Tight Timing Control; Single Slave; Auxiliary Data Lines
www.analog.com/SPIsolator
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Optocoupler to SPIsolator MigrationiCoupler SolutionOptocoupler Solution
Optocoupler SPIsolator
Components 33 3
Area 816 mm2 108 mm2
Cost $16.11 $2.80
(10K OEM pricing)3.75 kVrms Withstand
17Mhz
www.analog.com/SPIsolator
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Digital Isolator to SPIsolator MigrationiCoupler SolutionDigital + Opto Solution
Digital + Opto SPIsolator
Components 18 3
Area 595 mm2 108 mm2
Cost $4.83 $2.80
www.analog.com/SPIsolator
(10K OEM pricing)3.75 kVrms Withstand
17Mhz
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ADuM315x Block Diagrams
www.analog.com/SPIsolator
Common Low-Latency, High Speed SPI Path
Different Integrated Low-Speed
Channel Configurations
Retimed Clock
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ADuM3150 SPI Digital IsolatorEnables High Bus Speed
www.analog.com/SPIsolator
Supports up to 40MHz SPI Clock Delayed SCLK generated by SPIsolator based on SCLK
Factory calibrated Requires additional MCU register
Standard SPI port or GPIOs + shift registerFastest systems today perform this function discretely
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ADuM3151/2/3 SPI Digital IsolatorFunctional Integration Reduces Size and Cost
Supports 17MHz Clock3 Auxiliary Low-Speed ChannelsIntegrates isolation of auxiliary/control signals
www.analog.com/SPIsolator
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ADuM3154 SPI Digital IsolatorQuad Slave Select Feature Simplifies Board Layout
Supports 17MHz Clock4 Slave Select Lines
2 Pins to Address the Slave Select Mux on Slave SideSlave Select gated by fast SS channel for accurate timing
www.analog.com/SPIsolator
SPIsolator™ Selection Guide
ADuM315x released now! ADuM415x to be released in September.
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Compatible with All SPI Converters
For more information on our precision converter products, visit: www.analog.com/adc
ADC ModelResolution
(Bits)
ADCSample Rate
(Msps)
SPIsolator Throughput
(Msps)
AD7984 18 1.33 1.05AD7982 18 1.00 0.86AD7690 18 0.40 0.39AD7691* 18 0.25 0.25AD7983 16 1.33 1.11AD7980 16 1.00 0.90AD7902 16 1.00 0.90AD7903 16 1.00 0.90AD7693* 16 0.50 0.50AD7699* 16 0.50 0.50
AD7606-4* 16 0.20 0.20AD7091R* 12 1.00 1.00
AD7091R-2* 12 1.00 1.00AD7091R-4* 12 1.00 1.00AD7091R-8* 12 1.00 1.00
Here are the latest 12-bit to 18-bit Precision ADCs
* Maximum ADC Throughput Supported
SPIsolator™ Family Resourceswww.analog.com/SPIsolator
Training Video
Evaluation Boards EVAL-ADUM3150ZEVAL-ADUM3151ZEVAL-ADUM3154Z
Product Data Sheets•ADuM3150•ADuM3151/2/3•ADuM3154
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• Access to all data channels
• Multiple Connection Options
• Support for Tektronix Active Probes
• Provision for cable terminations
• Support for PCB edge mounted coax connectors
• Easy Configuration
Evaluate for $49 USD
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Learn More About iCoupler Digital Isolatorswww.analog.com/iCoupler
Resources Include: Webcast and Training videos Interface and Isolation Newsletter Archives and Subscription Link Circuits from the Lab™ Application Notes Technical Articles Digital Isolator Product Selector Guide Regulatory Agency Certifications Datasheets Evaluation Boards
And Much More!
www.analog.com/SPIsolator