Datasheet AD7902 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Dual Pseudo Differential 16-Bit, 1 MSPS PulSAR ADC 12.0 mW in QSOP |
| 页数 / 页 | 29 / 3 — AD7902. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 8/15—Rev. A to … |
| 修订版 | B |
| 文件格式/大小 | PDF / 691 Kb |
| 文件语言 | 英语 |
AD7902. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 8/15—Rev. A to Rev. B. 7/14—Rev. 0 to Rev. A
该数据表的模型线
文件文字版本
link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 6 link to page 7 link to page 7 link to page 8 link to page 9 link to page 14 link to page 15 link to page 15 link to page 15 link to page 16 link to page 16 link to page 17 link to page 17 link to page 18 link to page 18 link to page 19 link to page 23 link to page 25 link to page 25 link to page 26 link to page 27 link to page 27 link to page 28 link to page 28
AD7902 Data Sheet TABLE OF CONTENTS
Features .. 1 Typical Connection Diagram ... 15 Applications ... 1 Analog Inputs ... 15 General Description ... 1 Driver Amplifier Choice ... 16 Functional Block Diagram .. 1 Voltage Reference Input .. 16 Revision History ... 2 Power Supply ... 17 Specifications ... 3 Digital Interface .. 17 Timing Specifications .. 5 CS Mode .. 18 Absolute Maximum Ratings .. 6 Chain Mode .. 22 ESD Caution .. 6 Applications Information .. 24 Pin Configuration and Function Descriptions ... 7 Simultaneous Sampling ... 24 Typical Performance Characteristics ... 8 Functional Saftey Considerations .. 25 Terminology .. 13 Layout ... 26 Theory of Operation .. 14 Evaluating Performance of the AD7902 .. 26 Circuit Information .. 14 Outline Dimensions ... 27 Converter Operation .. 14 Ordering Guide .. 27
REVISION HISTORY 8/15—Rev. A to Rev. B
Changed ADA4841-x to ADA4841-1/ADA4841-2 .. Throughout Change to Absolute Input Voltage Parameter, Table 2 .. 3 Changes to Voltage Reference Input Section .. 16 Updated Outline Dimensions ... 27
7/14—Rev. 0 to Rev. A
Changed Standby Current Unit from nA to μA ... 4 Changes to Power Supply Section .. 17
2/14—Revision 0: Initial Version
Rev. B | Page 2 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE CS MODE /CS Mode, 3-Wire Interface Without Busy Indicator /CS Mode, 3-Wire Interface with Busy Indicator /CS Mode, 4-Wire Interface Without Busy Indicator /CS Mode, 4-Wire Interface with Busy Indicator CHAIN MODE Chain Mode Without Busy Indicator Chain Mode with Busy Indicator APPLICATIONS INFORMATION SIMULTANEOUS SAMPLING FUNCTIONAL SAFTEY CONSIDERATIONS LAYOUT EVALUATING PERFORMANCE OF THE AD7902 OUTLINE DIMENSIONS ORDERING GUIDE NOTES
AD7902 Data Sheet TABLE OF CONTENTS
Features .. 1 Typical Connection Diagram ... 15 Applications ... 1 Analog Inputs ... 15 General Description ... 1 Driver Amplifier Choice ... 16 Functional Block Diagram .. 1 Voltage Reference Input .. 16 Revision History ... 2 Power Supply ... 17 Specifications ... 3 Digital Interface .. 17 Timing Specifications .. 5 CS Mode .. 18 Absolute Maximum Ratings .. 6 Chain Mode .. 22 ESD Caution .. 6 Applications Information .. 24 Pin Configuration and Function Descriptions ... 7 Simultaneous Sampling ... 24 Typical Performance Characteristics ... 8 Functional Saftey Considerations .. 25 Terminology .. 13 Layout ... 26 Theory of Operation .. 14 Evaluating Performance of the AD7902 .. 26 Circuit Information .. 14 Outline Dimensions ... 27 Converter Operation .. 14 Ordering Guide .. 27
REVISION HISTORY 8/15—Rev. A to Rev. B
Changed ADA4841-x to ADA4841-1/ADA4841-2 .. Throughout Change to Absolute Input Voltage Parameter, Table 2 .. 3 Changes to Voltage Reference Input Section .. 16 Updated Outline Dimensions ... 27
7/14—Rev. 0 to Rev. A
Changed Standby Current Unit from nA to μA ... 4 Changes to Power Supply Section .. 17
2/14—Revision 0: Initial Version
Rev. B | Page 2 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE CS MODE /CS Mode, 3-Wire Interface Without Busy Indicator /CS Mode, 3-Wire Interface with Busy Indicator /CS Mode, 4-Wire Interface Without Busy Indicator /CS Mode, 4-Wire Interface with Busy Indicator CHAIN MODE Chain Mode Without Busy Indicator Chain Mode with Busy Indicator APPLICATIONS INFORMATION SIMULTANEOUS SAMPLING FUNCTIONAL SAFTEY CONSIDERATIONS LAYOUT EVALUATING PERFORMANCE OF THE AD7902 OUTLINE DIMENSIONS ORDERING GUIDE NOTES