Application Notes (15)
- AN-1141: Powering a Dual Supply Precision ADC with Switching Regulators (pdf, 640 kB)
- AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices (pdf, 406 kB)
- AN-935: Designing an ADC Transformer-Coupled Front End (pdf, 363 kB)
- AN-932: Power Supply Sequencing (pdf, 95 kB)
-
AN-931: Understanding PulSAR ADC Support Circuitry
(pdf, 299 kB)
This application note discusses in general the pitfalls that occur regularly when using SAR ADCs and, more importantly, how to easily prevent them. - AN-913: Isolating I2C Interfaces (pdf, 280 kB)
- AN-877: Interfacing to High Speed ADCs via SPI (pdf, 1594 kB)
- AN-825: Power Supply Considerations in iCoupler Isolation Products (pdf, 181 kB)
- AN-793: ESD/Latch-Up Considerations with iCoupler® Isolation Products (pdf, 246 kB)
- AN-770: iCoupler® Isolation in CAN Bus Applications (pdf, 234 kB)
- AN-742: Frequency Domain Response of Switched-Capacitor ADCs (pdf, 401 kB)
- AN-740: iCoupler® Isolation in RS-232 Applications (pdf, 716 kB)
- AN-727: iCoupler® Isolation in RS-485 Applications (pdf, 282 kB)
- AN-713: The Effect of Long-Term Drift on Voltage References (pdf, 237 kB)
- AN-649: Using the Analog Devices Active Filter Design Tool (pdf, 5301 kB)
Circuit Note (6)
- CN-0104: Parametric Measurement Unit and Supporting Components for ATE Applications Using the AD5522 PMU and the AD7685 16-Bit ADC (pdf, 247 kB)
- CN-0130: Integrated Device Power Supply (DPS) for ATE with Output Voltage Range 0 V to 25 V (pdf, 231 kB)
- CN-0194: Galvanically Isolated, 2-Channel, 16-Bit, Simultaneous Sampling, Daisy-Chained Data Acquisition System (pdf, 464 kB)
- CN-0213:Complete High Speed, High CMRR Precision Analog Front End for Process Control (pdf, 288 kB)
- CN0288: LVDT Signal Conditioning Circuit (pdf, 284 kB)
- CN0312: Dual-Channel Colorimeter with Programmable Gain Transimpedance Amplifiers and Synchronous Detectors (pdf, 404 kB)
Technical Articles (16)
- Front-End Amplifier and RC Filter Design for a Precision SAR Analog-to-Digital Converter
-
High Speed Digital Isolators Using Microscale On-Chip Transformers
(pdf, 2717 kB)
By Baoxing Chen, John Wynne, and Ronn Kliger -
iCoupler® Digital Isolators Protect RS-232, RS-485, and CAN Buses in Industrial, Instrumentation, and Computer Applications
(Analog Dialogue, Vol. 39, October 2005) -
iCoupler® Products with isoPower™ Technology: Signal and Power Transfer Across Isolation Barrier Using Microtransformers
(pdf, 1306 kB)
By Baoxing Chen - ICs for Low Power, Low Cost ECG Holter Monitors Support Standard Medical Wireless Bands
-
Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary
(pdf, 291 kB)
By Flow Zhao, Design Engineer -
Isolation in Medical Applications
(pdf)
by Rich Ghiorse and Steve Ranta, Analog Devices, Inc. (Power Electronics-Europe, 7/2005) - Low Cost, Low Power, High Performance AED
-
Medical Devices Demand Stringent Isolation Techniques
(EDN, 9/28/2006) -
Micro-Transformers Provide Signal and Power Isolation for Hybrid Electric Vehicles
(pdf, 234 kB)
By Baoxing Chen, Sr. Staff Engineer, Analog Devices, Inc. - MS-2022: Seven Steps to Successful Analog-to-Digital Signal Conversion (Noise Calculation for Proper Signal Conditioning) (pdf, 277 kB)
- MS-2124: Understanding AC Behaviors of High Speed ADCs (pdf, 276 kB)
- MS-2127: Designing with iCoupler Digital Isolators in Solar PV Inverters (pdf, 141 kB)
- MS-2210: Designing Power Supplies for High Speed ADC (pdf, 327 kB)
-
NAppkin Note: Lowering the Power of the ADuM524x
(pdf, 223 kB)
By Mark Cantrell, Senior Applications Engineer -
Nine Often Overlooked ADC Specifications
(pdf, 445 kB)
Analog-to-digital converters (ADCs) have many specifications; some are more important for a given application than others. Understanding these specifications and controlling external devices affecting the ADC will lead to better performance.
ADIsim Design/Simulation Tools (1)
-
Analog Filter Wizard 2.0
The Analog Filter Wizard™ helps you design a low-pass, high-pass, band-pass or band-stop filter with actual op amps. It then simulates the filter’s performance with these op amps in real time. You can ask the tool to optimize for power, noise, or voltage range, and it will pick op amps and passive components appropriately. Or you can adjust the components manually yourself.
Data Sheets (4)
- AD7685: 16-Bit, 250 kSPS PulSAR ADC in MSOP/QFN Data Sheet (Rev C, 08/2011) (pdf, 634 kB)
- AD8615/AD8618: Precision, 20 MHz, CMOS, Rail-to-Rail Input/Output Operational Amplifiers Data Sheet (Rev E, 09/2008) (pdf, 488 kB)
- ADR391/ADR392/ADR395: Micropower, Low Noise Precision Voltage References with Shutdown Data Sheet (Rev H, 10/2009) (pdf, 425 kB)
- ADuM1400/ADuM1401/ADuM1402: Quad-Channel Digital Isolators Data Sheet (Rev H, 03/2012) (pdf, 788 kB)
Design & Integration Files (1)
-
CN0194 Design & Integration Files
(zip, 2474 kB)
- Schematic
- Bill of Materials
- Gerber Files
- PADS Files
- Assembly Drawing
Design Calculators (2)
- Voltage Reference Selection & Evaluation Wizard
-
Voltage Reference Wizard (downloadable)
This Wizard helps you select the most suitable voltage for a use with a data converter. Supply the Wizard with a given data converter; it will provide you with a number of suitable references plus the maximum DC error contributed to your overall system. Or enter the amount of DC error your system can tolerate and find out which of ADI’s reference and data converter pairs will meet your requirement.
Design Handbooks (1)
Documentation (4)
- EVAL-PRAOPAMP - Universal Precision Op Amp Evaluation Board
- UG-042: Evaluating 16-Lead SOIC and 16-Lead QSOP Digital Isolators User Guide (pdf, 504 kB)
- UG-340: Evaluation Board for the 10-Lead Family 14-/16-/18-Bit PulSAR ADCs (pdf, 4636 kB)
- AN-649: Using the Analog Devices Active Filter Design Tool (pdf, 5301 kB)
FAQs/RAQs (24)
- Are iCoupler products Pb-free?
- Can I replace an optocoupler with an iCoupler product in an existing design?
- Do iCoupler products have VDE certification for reinforced insulation?
- How do I learn about new iCoupler products?
- How is isolation specified?
- How much isolation can iCoupler products provide?
- What are common applications that use isolation?
- What are optocouplers? What is optical isolation?
- What are some of the distinguishing features of the iCoupler products?
- What are the benefits of iCoupler technology?
- What are the different types of iCoupler products?
- What are transient immunity and common-mode rejection?
- What communications protocols are supported by iCoupler products?
- What do I need to know about selecting and using Voltage References?
- What is capacitive isolation?
- What is iCoupler technology?
- What is isolation rating?
- What is isolation? Why is it needed?
- What is the difference between basic and double (or reinforced) insulation levels?
- What is the relationship between working voltage and isolation rating?
- What other parameters are important when considering an isolation device?
- What regulatory standards address isolation products?
- What types of technologies have been used to provide isolation?
- With which regulatory standards do iCoupler products comply?
FPGA HDL (4)
IBIS Models (2)
- AD7685 IBIS Models
- ADuM1402 and ADuM2402 (All Speed Grades)
Overview (16)
-
2008 Medical Solution Profile
(pdf, 126 kB)
High Performance ICs for Medical Imaging, Patient Monitoring, and Instrumentation -
8- to 18-Bit SAR ADCs ... From the Leader in High Performance Analog
(pdf, 1885 kB)
8- to 18-Bit SAR ADCs with Sample Rates up to 3 MSPS -- The latest additions to ADI’s ADC portfolio offer unrivaled functionality in terms of channel count and power supply voltage, optimal power/speed ratios, and the smallest packages to meet the demands of any data acquisition application, including portable, industrial, medical, wireless, and communications. - ADR39x: Micro-Power, Low Noise Precision Voltage References with Shutdown
-
ADuM125x/ADuM225x Dual-Channel, Hot-Swappable, I2C® Bidirectional Digital Isolators with up to 5 kV Isolation
(pdf, 1493 kB)
The ADuM125x/ADuM225x are dual-channel bi-directional I2C digital isolators that are hot-swappable and capable of data rates up to 1MHz. -
ADuM130x/ADuM140x Triple/Quad Digital Isolators
(pdf, 126 kB)
The ADuM130x/ADuM140x family of triple-/quad-channel isolators eliminates the need for multiple optocouplers and their accompanying external discrete components. -
ADuM2400/ADuM2401/ADuM2402 Quad-Channel Digital Isolators
(pdf, 184 kB)
The ADuM240x family of quad-channel isolators provides 5kV isolation and eliminates the need for multiple optocouplers and their accompanying external discrete components. - Agilent/NVE GMR Isolators−Performance Comparison to Analog Devices iCoupler (pdf, 378 kB)
-
High Speed, High Accuracy 14-Bit, 16-Bit, and 18-Bit PulSAR ADCs
(pdf, 3826 kB)
A PulSAR Family Brochure (6/2006) - iCoupler Digital Isolators Qualified for Automotive Applications
- iCoupler Isolation Provides Size, Cost, and Thermal Improvements Relative to Optocouplers (pdf, 67 kB)
-
ICs for Programmable Logic Control and Distributed Control Systems
(pdf, 976 kB)
Analog Devices leadership in industrial IC technology, with the development of the iCMOS™ and iPolar™ processes, has uniquely defined high voltage and low voltage integration to deliver smaller, higher performance, and more cost effective ICs for industrial systems. - isoPower® - Isolated dc-to-dc Power in the smallest Package
- Leading Inside Advertorials: Data and Power Isolation in One Package Provides Total Isolation Solution (pdf, 77 kB)
-
Medical Applications
- Booklet (pdf, 970 kB)
- Technical Presentation (ppt)
- See what 40 years of data acquisition expertise can do for your instrumentation designs.
- When high performance and low power make the design, ADI converters make the difference.
Product Reviews (4)
-
ADuM1300/01/1400/01/02: Multi-Channel Digital Isolators for High-Voltage Industrial Applications
... New iCoupler devices reduce per-channel costs and offer superior alternative to optocoupler solutions. (analogZONE, powerZONE Products for the week of May 26, 2003) -
EE Times Names ACE Finalists
(EE Times, 1/15/2007) -
Low-Power Data Conversion Technology Enhances Portability
(Electropages, 10/5/2006) -
Lowest-Power 16-Bit ADC Optimizes Portable Designs
(eeProductCenter, 10/4/2006)
Product Selection Guide (2)
Software and Tools (1)
- 10 lead Pulsar ADCs Evaluation Software (zip, 337305 kB)
Solutions Bulletins (1)
SPICE Models (1)
- AD8615 SPICE Macro Model
Tutorials (5)
- MT-001: Taking the Mystery out of the Infamous Formula, "SNR=6.02N + 1.76dB," and Why You Should Care (pdf, 94 kB)
- MT-002: What the Nyquist Criterion Means to Your Sampled Data System Design (pdf, 152 kB)
- MT-031: Grounding Data Converters and Solving the Mystery of (pdf, 144 kB)
- MT-073: High Speed Variable Gain Amplifiers (pdf, 177 kB)
- MT-101: Decoupling Techniques (pdf, 954 kB)
User Guides (2)
Webcasts (1)
-
Solving Isolation Challenges in Power Conversion Applications
This webcast will present solutions to isolation challenges in power conversion applications. Among the topics to be discussed are the limitations of traditional methods of isolation (such as utilization of optocouplers and pulse transformers) vs. more efficient and cost effective solutions that utilize digital isolators. If you are currently using optocouplers and pulse transformers, this is a webcast you should attend.
Analog Dialogue (4)
-
A Practical Guide to High-Speed Printed-Circuit-Board Layout
John Ardizzoni, Analog Dialogue 39-09, September 2005 -
High Speed Op Amp Drives a 16-Bit, 1-MSPS Differential-Input A/D Converter
(Analog Dialogue, Vol. 36, No. 6, November/December 2002) -
High-Performance Multichannel Power-Line Monitoring with Simultaneous-Sampling ADCs
By Colm Slattery, Analog Devices, Inc. (Analog Dialogue, Vol. 41, January 2007) -
iCoupler® Digital Isolators Protect RS-232, RS-485, and CAN Buses in Industrial, Instrumentation, and Computer Applications
(Analog Dialogue, Vol. 39, October 2005)
