Datasheet AD9246 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 14-Bit, 80 MSPS/105 MSPS/125 MSPS, 1.8 V Analog-to-Digital Converter |
| 页数 / 页 | 45 / 3 — AD9246. TABLE OF CONTENTS |
| 修订版 | A |
| 文件格式/大小 | PDF / 1.0 Mb |
| 文件语言 | 英语 |
AD9246. TABLE OF CONTENTS
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AD9246 TABLE OF CONTENTS
Features .. 1 Timing ... 22 Applications... 1 Serial Port Interface (SPI).. 23 General Description ... 1 Configuration Using the SPI... 23 Functional Block Diagram .. 1 Hardware Interface... 23 Product Highlights ... 1 Configuration Without the SPI .. 23 Revision History ... 3 Memory Map .. 24 Specifications... 4 Reading the Memory Map Register Table... 24 DC Specifications ... 4 Memory Map Register Table... 25 AC Specifications.. 5 Layout Considerations... 27 Digital Specifications ... 6 Power and Ground Recommendations ... 27 Switching Specifications .. 7 CML ... 27 Timing Diagram ... 7 RBIAS... 27 Absolute Maximum Ratings.. 8 Reference Decoupling.. 27 Thermal Resistance .. 8 Evaluation Board .. 28 ESD Caution.. 8 Power Supplies .. 28 Pin Configuration and Function Descriptions... 9 Input Signals.. 28 Equivalent Circuits ... 10 Output Signals .. 28 Typical Performance Characteristics ... 11 Default Operation and Jumper Selection Settings... 29 Theory of Operation .. 15 Alternative Clock Configurations.. 29 Analog Input Considerations.. 15 Alternative Analog Input Drive Configuration.. 29 Voltage Reference ... 17 Schematics... 31 Clock Input Considerations .. 18 Evaluation Board Layouts ... 36 Jitter Considerations .. 20 Bill of Materials... 39 Power Dissipation and Standby Mode... 20 Outline Dimensions ... 42 Digital Outputs ... 21 Ordering Guide .. 42 Rev. A | Page 2 of 44 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUT CONSIDERATIONS VOLTAGE REFERENCE CLOCK INPUT CONSIDERATIONS JITTER CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING SERIAL PORT INTERFACE (SPI) CONFIGURATION USING THE SPI HARDWARE INTERFACE CONFIGURATION WITHOUT THE SPI MEMORY MAP READING THE MEMORY MAP REGISTER TABLE MEMORY MAP REGISTER TABLE LAYOUT CONSIDERATIONS POWER AND GROUND RECOMMENDATIONS CML RBIAS REFERENCE DECOUPLING EVALUATION BOARD POWER SUPPLIES INPUT SIGNALS OUTPUT SIGNALS DEFAULT OPERATION AND JUMPER SELECTION SETTINGS ALTERNATIVE CLOCK CONFIGURATIONS ALTERNATIVE ANALOG INPUT DRIVE CONFIGURATION SCHEMATICS EVALUATION BOARD LAYOUTS BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE
AD9246 TABLE OF CONTENTS
Features .. 1 Timing ... 22 Applications... 1 Serial Port Interface (SPI).. 23 General Description ... 1 Configuration Using the SPI... 23 Functional Block Diagram .. 1 Hardware Interface... 23 Product Highlights ... 1 Configuration Without the SPI .. 23 Revision History ... 3 Memory Map .. 24 Specifications... 4 Reading the Memory Map Register Table... 24 DC Specifications ... 4 Memory Map Register Table... 25 AC Specifications.. 5 Layout Considerations... 27 Digital Specifications ... 6 Power and Ground Recommendations ... 27 Switching Specifications .. 7 CML ... 27 Timing Diagram ... 7 RBIAS... 27 Absolute Maximum Ratings.. 8 Reference Decoupling.. 27 Thermal Resistance .. 8 Evaluation Board .. 28 ESD Caution.. 8 Power Supplies .. 28 Pin Configuration and Function Descriptions... 9 Input Signals.. 28 Equivalent Circuits ... 10 Output Signals .. 28 Typical Performance Characteristics ... 11 Default Operation and Jumper Selection Settings... 29 Theory of Operation .. 15 Alternative Clock Configurations.. 29 Analog Input Considerations.. 15 Alternative Analog Input Drive Configuration.. 29 Voltage Reference ... 17 Schematics... 31 Clock Input Considerations .. 18 Evaluation Board Layouts ... 36 Jitter Considerations .. 20 Bill of Materials... 39 Power Dissipation and Standby Mode... 20 Outline Dimensions ... 42 Digital Outputs ... 21 Ordering Guide .. 42 Rev. A | Page 2 of 44 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUT CONSIDERATIONS VOLTAGE REFERENCE CLOCK INPUT CONSIDERATIONS JITTER CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING SERIAL PORT INTERFACE (SPI) CONFIGURATION USING THE SPI HARDWARE INTERFACE CONFIGURATION WITHOUT THE SPI MEMORY MAP READING THE MEMORY MAP REGISTER TABLE MEMORY MAP REGISTER TABLE LAYOUT CONSIDERATIONS POWER AND GROUND RECOMMENDATIONS CML RBIAS REFERENCE DECOUPLING EVALUATION BOARD POWER SUPPLIES INPUT SIGNALS OUTPUT SIGNALS DEFAULT OPERATION AND JUMPER SELECTION SETTINGS ALTERNATIVE CLOCK CONFIGURATIONS ALTERNATIVE ANALOG INPUT DRIVE CONFIGURATION SCHEMATICS EVALUATION BOARD LAYOUTS BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE