AD7691* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017COMPARABLE PARTSREFERENCE MATERIALS View a parametric search of comparable parts. Product Selection Guide • SAR ADC & Driver Quick-Match Guide EVALUATION KITSTechnical Articles • AD7691 Evaluation Kit • MS-1779: Nine Often Overlooked ADC Specifications • Precision ADC PMOD Compatible Boards • MS-2210: Designing Power Supplies for High Speed ADC TutorialsDOCUMENTATION • MT-001: Taking the Mystery out of the Infamous Formula, Application Notes "SNR=6.02N + 1.76dB", and Why You Should Care • AN-742: Frequency Domain Response of Switched- • MT-002: What the Nyquist Criterion Means to Your Capacitor ADCs Sampled Data System Design • AN-931: Understanding PulSAR ADC Support Circuitry • MT-031: Grounding Data Converters and Solving the • AN-932: Power Supply Sequencing Mystery of "AGND" and "DGND" Data Sheet • MT-074: Differential Drivers for Precision ADCs • AD7691-DSCC: Military Data Sheet DESIGN RESOURCES • AD7691-EP: Enhanced Product Data Sheet • AD7691 Material Declaration • AD7691: 18-Bit, 1.5 LSB INL, 250 kSPS PulSAR Differential ADC in MSOP/LFCSP Data Sheet • PCN-PDN Information Technical Books • Quality And Reliability • The Data Conversion Handbook, 2005 • Symbols and Footprints User Guides • UG-340: Evaluation Board for the 10-Lead Family 14-/16-/ DISCUSSIONS 18-Bit PulSAR ADCs View all AD7691 EngineerZone Discussions. • UG-682: 6-Lead SOT-23 ADC Driver for the 8-/10-Lead Family of 14-/16-/18-Bit PulSAR ADC Evaluation Boards SAMPLE AND BUY Visit the product page to see pricing options. SOFTWARE AND SYSTEMS REQUIREMENTS • AD7691 FMC-SDP Interposer & Evaluation Board / Xilinx TECHNICAL SUPPORT KC705 Reference Design Submit a technical question or find your regional support • BeMicro FPGA Project for AD7691 with Nios driver number. TOOLS AND SIMULATIONSDOCUMENT FEEDBACK • AD7685 IBIS Models Submit feedback for this data sheet. REFERENCE DESIGNS • CN0261 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 CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE SINGLE-TO-DIFFERENTIAL DRIVER VOLTAGE REFERENCE INPUT POWER SUPPLY SUPPLYING THE ADC FROM THE REFERENCE DIGITAL INTERFACE CS\ MODE, 3-WIRE WITHOUT BUSY INDICATOR CS\ MODE, 3-WIRE WITH BUSY INDICATOR CS\ MODE, 4-WIRE WITHOUT BUSY INDICATOR CS\ MODE, 4-WIRE WITH BUSY INDICATOR CHAIN MODE WITHOUT BUSY INDICATOR CHAIN MODE WITH BUSY INDICATOR APPLICATION HINTS LAYOUT EVALUATING THE AD7691 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE