Datasheet AD7685 (Analog Devices) - 2

AD7685* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017 COMPARABLE PARTS REFERENCE DESIGNS
View a parametric search of comparable parts. • CN0104 • CN0130
EVALUATION KITS
• CN0194 • AD7685 Evaluation Kit • CN0213 • Precision ADC PMOD Compatible Boards
REFERENCE MATERIALS DOCUMENTATION Product Selection Guide Application Notes
• SAR ADC & Driver Quick-Match Guide • AN-742: Frequency Domain Response of Switched-
Technical Articles
Capacitor ADCs • MS-1779: Nine Often Overlooked ADC Specifications • AN-931: Understanding PulSAR ADC Support Circuitry • MS-2210: Designing Power Supplies for High Speed ADC • AN-932: Power Supply Sequencing • Simple Discrete SE-to-Differential Precision In-amp Circuit:
Data Sheet
High Common Mode Input Range and 50% Less Power • AD7685: 16-Bit, 250 kSPS PulSAR ADC in MSOP Data Sheet
Tutorials Product Highlight
• MT-002: What the Nyquist Criterion Means to Your • [NO TITLE FOUND] Product Highlight Sampled Data System Design • 8- to 18-Bit SAR ADCs ... From the Leader in High • MT-031: Grounding Data Converters and Solving the Performance Analog Mystery of "AGND" and "DGND" • Lowest-Power 16-Bit ADC Optimizes Portable Designs (eeProductCenter, 10/4/2006)
DESIGN RESOURCES Technical Books
• AD7685 Material Declaration • The Data Conversion Handbook, 2005 • PCN-PDN Information
User Guides
• Quality And Reliability • UG-340: Evaluation Board for the 10-Lead Family 14-/16-/ • Symbols and Footprints 18-Bit PulSAR ADCs • UG-682: 6-Lead SOT-23 ADC Driver for the 8-/10-Lead
DISCUSSIONS
Family of 14-/16-/18-Bit PulSAR ADC Evaluation Boards View all AD7685 EngineerZone Discussions.
SOFTWARE AND SYSTEMS REQUIREMENTS SAMPLE AND BUY
• AD7685 FMC-SDP Interposer & Evaluation Board / Xilinx Visit the product page to see pricing options. KC705 Reference Design • BeMicro FPGA Project for AD7685 with Nios driver
TECHNICAL SUPPORT
• BeMicro FPGA Project for CN0194 with Nios driver Submit a technical question or find your regional support • CN0194 FMC-SDP Interposer & Evaluation Board / Xilinx number. KC705 Reference Design
DOCUMENT FEEDBACK TOOLS AND SIMULATIONS
Submit feedback for this data sheet. • AD7685 IBIS Models
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Document Outline Features Applications Typical Application Circuit General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface CS/ Mode 3-Wire, No BUSY Indicator CS/ Mode 3-Wire with BUSY Indicator CS/ Mode 4-Wire, No BUSY Indicator CS/ Mode 4-Wire with BUSY Indicator Chain Mode, No BUSY Indicator Chain Mode with BUSY Indicator Application Hints Layout Evaluating the Performance of the AD7685 True 16-Bit Isolated Application Example Outline Dimensions Ordering Guide