Datasheet AD7655 (Analog Devices) - 3

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AD7655 Data Sheet TABLE OF CONTENTS
Features ...1 Input Channel Multiplexer .. 16 Applications...1 Driver Amplifier Choice .. 16 General Description ..1 Voltage Reference Input ... 17 Functional Block Diagram...1 Power Supply ... 17 Product Highlights ..1 Power Dissipation .. 17 Revision History ..2 Conversion Control ... 18 Specifications ...3 Digital Interface ... 18 Timing Specifications ..5 Parallel Interface .. 18 Absolute Maximum Ratings ..7 Serial Interface ... 20 ESD Caution ..7 Master Serial Interface ... 20 Pin Configurations and Function Descriptions ...8 Slave Serial Interface .. 22 Terminology ..11 Microprocessor Interfacing.. 24 Typical Performance Characteristics ...12 SPI Interface (ADSP-2191M)... 24 Applications Information...14 Application Hints .. 25 Circuit Information..14 Layout.. 25 Modes of Operation ...14 Evaluating the AD7655 Performance... 25 Transfer Functions ...14 Outline Dimensions .. 26 Typical Connection Diagram ...16 Ordering Guide ... 26 Analog Inputs ..16
REVISION HISTORY 12/2016—Rev. D to Rev. E
Changes to Ordering Guide... 27 Changed 1 MSPS to 500 kSPS, 888 kSPS to 444 kSPS, and
9/2005—Rev. A to Rev. B
20 kSPS to 10 kSPS ...Throughout Changes to General Description.. 1 Change to Product Title...1 Changes to Specifications .. 3 Change to Multichannel/Simultaneous Parameter, Table 1..1 Changes to Timing Specifications ... 5 Changes to Table 2 ...3 Changes to Typical Performance Characteristics... 13 Change to Figure 5...8 Changes to Figure 17 ... 15 Added Table 8.. 17
12/2015—Rev. C to Rev. D
Changes to Figure 28 ... 21 Changed ADSP-219x to ADSP-2191M ...Throughout Updated Outline Dimensions.. 26 Changes to Figure 18 ...15 Changes to Ordering Guide... 27 Changes to Figure 34 ...24 Updated Outline Dimensions ..26
12/2004—Rev. 0 to Rev. A
Changes to Ordering Guide ...26 Changes to Figure 17 ... 15 Changes to Figure 18 ... 16
10/2014—Rev. B to Rev. C
Changes to Voltage Reference Input Section ... 17 Added Figure 5; Renumbered Sequential y..8 Changes to Conversion Control Section.. 18 Changes to Table 6 ...10 Changes to Digital Interface Section ... 18 Changes to Power Supply Section ..17 Updated Outline Dimensions.. 25 Changes to Evaluating the AD7655 Performance Section ...25 Updated Outline Dimensions ..26
11/2002—Revision 0: Initial Version
Rev. E | Page 2 of 26 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION CIRCUIT INFORMATION MODES OF OPERATION TRANSFER FUNCTIONS TYPICAL CONNECTION DIAGRAM ANALOG INPUTS INPUT CHANNEL MULTIPLEXER DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY POWER DISSIPATION CONVERSION CONTROL DIGITAL INTERFACE PARALLEL INTERFACE Master Parallel Interface Slave Parallel Interface 8-Bit Interface (Master or Slave) Channel A/ Output SERIAL INTERFACE MASTER SERIAL INTERFACE Internal Clock SLAVE SERIAL INTERFACE External Clock External Discontinuous Clock Data Read After Convert External Clock Data Read (Previous) During Convert MICROPROCESSOR INTERFACING SPI INTERFACE (ADSP-2191M) APPLICATION HINTS LAYOUT EVALUATING THE AD7655 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE