AD7821* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017COMPARABLE PARTSDESIGN RESOURCES View a parametric search of comparable parts. • AD7821 Material Declaration • PCN-PDN Information DOCUMENTATION • Quality And Reliability Application Notes • Symbols and Footprints • AN-299: Simple Circuit Provides Ratiometric Reference Levels for AD782X Family of Half-Flash ADCs DISCUSSIONSData Sheet View all AD7821 EngineerZone Discussions. • AD7821: High Speed, µP-Compatible, CMOS, 8-Bit Sampling ADC Data Sheet SAMPLE AND BUY • AD7821: Military Data Sheet Visit the product page to see pricing options. REFERENCE MATERIALSTECHNICAL SUPPORTTechnical Articles Submit a technical question or find your regional support • MS-2210: Designing Power Supplies for High Speed ADC number. 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 GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS Test Circuits ORDERING GUIDE ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATIONS PIN FUNCTION DESCRIPTIONS TERMINOLOGY LEAST SIGNIFICANT BIT (LSB) TOTAL UNADJUSTED ERROR SLEW RATE TOTAL HARMONIC DISTORTION INTERMODULATION DISTORTION SIGNAL-TO-NOISE RATIO PEAK HARMONIC OR SPURIOUS NOISE Typical Performance Characteristics CIRCUIT INFORMATION BASIC DESCRIPTION OPERATING SEQUENCE REFERENCE AND INPUT INPUT CURRENT INPUT TRANSIENTS INHERENT TRACK-AND-HOLD SINUSOIDAL INPUTS DIGITAL SIGNAL PROCESSING APPLICATIONS SIGNAL-TO-NOISE RATIO AND DISTORTION EFFECTIVE NUMBER OF BITS INTERMODULATION DISTORTION HISTOGRAM PLOT DIGITAL INTERFACE RD Mode (MODE = 0) WR-RD Mode (MODE = 1) MICROPROCESSOR INTERFACING AD7821 – 68008 INTERFACE AD7821 – 8088 INTERFACE AD7821 – TMS32010 INTERFACE AD7821 – 8051 INTERFACE APPLYING THE AD7821 UNIPOLAR OPERATION BIPOLAR OPERATION 16-CHANNEL TELECOM A/D CONVERTER SIMULTANEOUS SAMPLING ADCS OUTLINE DIMENSIONS Revision History