Datasheet AD7298-1 (Analog Devices) - 3

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AD7298-1 TABLE OF CONTENTS
Features .. 1 Analog Input ... 13 Functional Block Diagram .. 1 VDRIVE .. 14 General Description ... 1 The Internal or External Reference .. 14 Product Highlights ... 1 Control Register .. 15 Revision History ... 2 Modes of Operation ... 16 Specifications ... 3 Traditional Multichannel Mode of Operation .. 16 Timing Specifications .. 5 Repeat Operation ... 17 Absolute Maximum Ratings .. 6 Power-Down Modes .. 18 Thermal Resistance .. 6 Powering Up the AD7298-1 .. 19 ESD Caution .. 6 Reset ... 19 Pin Configuration and Function Description .. 7 Serial Interface .. 20 Typical Performance Characteristics ... 9 Layout and Configuration ... 21 Terminology .. 12 Outline Dimensions ... 22 Circuit Information .. 13 Ordering Guide .. 22 Converter Operation .. 13
REVISION HISTORY 1/11—Rev. 0 to Rev. A
Removed Input Impedance Parameter .. 3 Added Input Capacitance Parameter of 8 pF .. 3 Changes to Figure 10 .. 10 Changed C1 Value to 8 pF in Analog Input Section .. 13 Changes to Figure 22 .. 14
10/10—Revision 0: Initial Version
Rev. A | Page 2 of 24 Document Outline Features Functional Block Diagram General Description Product Highlights Revision History Specifications Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Description Typical Performance Characteristics Terminology Circuit Information Converter Operation Analog Input ADC Transfer Function VDRIVE The Internal or External Reference Control Register Modes of Operation Traditional Multichannel Mode of Operation Repeat Operation Power-Down Modes Normal Mode Partial Power-Down Mode Full Power-Down Mode Powering Up the AD7298-1 Reset Serial Interface Layout and Configuration Outline Dimensions Ordering Guide