AD7688* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017COMPARABLE PARTSTOOLS AND SIMULATIONS View a parametric search of comparable parts. • AD7685 IBIS Models EVALUATION KITSREFERENCE MATERIALS • AD7688 Evaluation Board Product Selection Guide • Precision ADC PMOD Compatible Boards • SAR ADC & Driver Quick-Match Guide Technical ArticlesDOCUMENTATION • MS-1779: Nine Often Overlooked ADC Specifications Application Notes • MS-2210: Designing Power Supplies for High Speed ADC • AN-742: Frequency Domain Response of Switched- Tutorials Capacitor ADCs • MT-002: What the Nyquist Criterion Means to Your • AN-931: Understanding PulSAR ADC Support Circuitry Sampled Data System Design • AN-932: Power Supply Sequencing • MT-031: Grounding Data Converters and Solving the Data Sheet Mystery of "AGND" and "DGND" • AD7688: 16-Bit, 1.5 LSB INL, 500 kSPS PulSAR™ Differential ADC in MSOP/LFCSP Data Sheet DESIGN RESOURCESProduct Highlight • AD7688 Material Declaration • [NO TITLE FOUND] Product Highlight • PCN-PDN Information • 8- to 18-Bit SAR ADCs ... From the Leader in High • Quality And Reliability Performance Analog • Symbols and Footprints • Lowest-Power 16-Bit ADC Optimizes Portable Designs (eeProductCenter, 10/4/2006) DISCUSSIONSTechnical Books View all AD7688 EngineerZone Discussions. • The Data Conversion Handbook, 2005 User GuidesSAMPLE AND BUY • UG-340: Evaluation Board for the 10-Lead Family 14-/16-/ Visit the product page to see pricing options. 18-Bit PulSAR ADCs • UG-682: 6-Lead SOT-23 ADC Driver for the 8-/10-Lead TECHNICAL SUPPORT Family of 14-/16-/18-Bit PulSAR ADC Evaluation Boards Submit a technical question or find your regional support number. SOFTWARE AND SYSTEMS REQUIREMENTS • BeMicro FPGA Project for AD7688 with Nios driver DOCUMENT FEEDBACK Submit feedback for this data sheet. This page is dynamically generated by Analog Devices, Inc., and inserted into this data sheet. A dynamic change to the content on this page will not trigger a change to either the revision number or the content of the product data sheet. This dynamic page may be frequently modified. Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Input Driver Amplifier Choice Single-to-Differential Driver 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-Write, 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 AD7688 Performance Outline Dimensions Ordering Guide