Datasheet AD7656A (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar 16-Bit ADC |
| 页数 / 页 | 29 / 3 — AD7656A. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 12/13—Revision … |
| 文件格式/大小 | PDF / 528 Kb |
| 文件语言 | 英语 |
AD7656A. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 12/13—Revision 0: Initial Version
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AD7656A Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 15 Applications ... 1 Converter Details ... 15 Functional Block Diagram .. 1 ADC Transfer Function ... 16 General Description ... 1 Reference Section ... 16 Product Highlights ... 1 Typical Connection Diagram ... 16 Revision History ... 2 Driving the Analog Inputs .. 17 Specifications ... 3 Interface Section ... 17 Timing Specifications .. 5 Software Selection of ADCs .. 19 Absolute Maximum Ratings .. 6 Serial Read Operation .. 21 Power Supply Sequencing ... 6 Daisy-Chain Mode (DCEN = 1, SER/PAR/SEL = 1) ... 21 Thermal Resistance .. 6 Application Hints ... 24 ESD Caution .. 6 Layout .. 24 Pin Configuration and Function Descriptions ... 7 Outline Dimensions ... 25 Typical Performance Characteristics ... 10 Ordering Guide .. 25 Terminology .. 13
REVISION HISTORY 12/13—Revision 0: Initial Version
Rev. 0 | Page 2 of 28 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS POWER SUPPLY SEQUENCING THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CONVERTER DETAILS Track-and-Hold Amplifiers Analog Input ADC TRANSFER FUNCTION REFERENCE SECTION TYPICAL CONNECTION DIAGRAM DRIVING THE ANALOG INPUTS INTERFACE SECTION Parallel Interface (SER/PAR/SEL = 0) SOFTWARE SELECTION OF ADCS Changing the Analog Input Range (H/S SEL = 0) Changing the Analog Input Range (H/S SEL = 1) Serial Interface (SER/PAR/SEL = 1) SERIAL READ OPERATION DAISY-CHAIN MODE (DCEN = 1, SER//SEL = 1) Standby/Partial Power-Down Modes of Operation (SER/PAR/SEL = 0 or SER/PAR/SEL = 1) APPLICATION HINTS LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE
AD7656A Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 15 Applications ... 1 Converter Details ... 15 Functional Block Diagram .. 1 ADC Transfer Function ... 16 General Description ... 1 Reference Section ... 16 Product Highlights ... 1 Typical Connection Diagram ... 16 Revision History ... 2 Driving the Analog Inputs .. 17 Specifications ... 3 Interface Section ... 17 Timing Specifications .. 5 Software Selection of ADCs .. 19 Absolute Maximum Ratings .. 6 Serial Read Operation .. 21 Power Supply Sequencing ... 6 Daisy-Chain Mode (DCEN = 1, SER/PAR/SEL = 1) ... 21 Thermal Resistance .. 6 Application Hints ... 24 ESD Caution .. 6 Layout .. 24 Pin Configuration and Function Descriptions ... 7 Outline Dimensions ... 25 Typical Performance Characteristics ... 10 Ordering Guide .. 25 Terminology .. 13
REVISION HISTORY 12/13—Revision 0: Initial Version
Rev. 0 | Page 2 of 28 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS POWER SUPPLY SEQUENCING THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CONVERTER DETAILS Track-and-Hold Amplifiers Analog Input ADC TRANSFER FUNCTION REFERENCE SECTION TYPICAL CONNECTION DIAGRAM DRIVING THE ANALOG INPUTS INTERFACE SECTION Parallel Interface (SER/PAR/SEL = 0) SOFTWARE SELECTION OF ADCS Changing the Analog Input Range (H/S SEL = 0) Changing the Analog Input Range (H/S SEL = 1) Serial Interface (SER/PAR/SEL = 1) SERIAL READ OPERATION DAISY-CHAIN MODE (DCEN = 1, SER//SEL = 1) Standby/Partial Power-Down Modes of Operation (SER/PAR/SEL = 0 or SER/PAR/SEL = 1) APPLICATION HINTS LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE