Datasheet AD7863 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Simultaneous Sampling Dual 175 kSPS 14-Bit A/D Converter |
| 页数 / 页 | 25 / 3 — AD7863. TABLE OF CONTENTS. REVISION HISTORY. 11/06—Rev. A to Rev. B. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 458 Kb |
| 文件语言 | 英语 |
AD7863. TABLE OF CONTENTS. REVISION HISTORY. 11/06—Rev. A to Rev. B. 5/99—Rev. 0 to Rev. A
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AD7863 TABLE OF CONTENTS
Features .. 1 Effective Number of Bits ... 14 General Description ... 1 Total Harmonic Distortion (THD) .. 15 Functional Block Diagram .. 1 Intermodulation Distortion .. 15 Product Highlights ... 1 Peak Harmonic or Spurious Noise... 15 Revision History ... 2 DC Linearity Plot ... 15 Specifications... 3 Power Considerations.. 16 Timing Characteristics .. 5 Microprocessor Interfacing... 17 Absolute Maximum Ratings.. 6 AD7863 to ADSP-2100 Interface ... 17 ESD Caution.. 6 AD7863 to ADSP-2101/ADSP-2102 Interface ... 17 Pin Configuration and Function Descriptions... 7 AD7863 to TMS32010 Interface .. 17 Terminology .. 8 AD7863 to TMS320C25 Interface.. 17 Converter Details.. 9 AD7863 to MC68000 Interface .. 18 Track-and-Hold Section .. 9 AD7863 to 80C196 Interface .. 18 Reference Section ... 9 Vector Motor Control .. 18 Circuit Description... 10 Multiple AD7863s .. 19 Analog Input Section ... 10 Applications Hints.. 20 Offset and Full-Scale Adjustment .. 10 PC Board Layout Considerations... 20 Timing and Control ... 11 Ground Planes .. 20 Operating Modes .. 13 Power Planes ... 20 Mode 1 Operation .. 13 Supply Decoupling ... 20 Mode 2 Operation .. 13 Outline Dimensions ... 21 AD7863 Dynamic Specifications ... 14 Ordering Guide .. 22 Signal-to-Noise Ratio (SNR)... 14
REVISION HISTORY 11/06—Rev. A to Rev. B
Updated Format..Universal Deleted Applications .. 1 Changes to Specifications .. 3 Changes to Absolute Maximum Ratings ... 6 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 22
5/99—Rev. 0 to Rev. A
Rev. B | Page 2 of 24 Document Outline FEATURES GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY CONVERTER DETAILS TRACK-AND-HOLD SECTION REFERENCE SECTION CIRCUIT DESCRIPTION ANALOG INPUT SECTION OFFSET AND FULL-SCALE ADJUSTMENT Positive Full-Scale Adjust (−10 Version) Negative Full-Scale Adjust (−10 Version) TIMING AND CONTROL Read Options OPERATING MODES MODE 1 OPERATION Normal Power, High Sampling Performance MODE 2 OPERATION Power-Down, Auto-Sleep After Conversion AD7863 DYNAMIC SPECIFICATIONS SIGNAL-TO-NOISE RATIO (SNR) EFFECTIVE NUMBER OF BITS TOTAL HARMONIC DISTORTION (THD) INTERMODULATION DISTORTION PEAK HARMONIC OR SPURIOUS NOISE DC LINEARITY PLOT POWER CONSIDERATIONS MICROPROCESSOR INTERFACING AD7863 TO ADSP-2100 INTERFACE AD7863 TO ADSP-2101/ADSP-2102 INTERFACE AD7863 TO TMS32010 INTERFACE AD7863 TO TMS320C25 INTERFACE AD7863 TO MC68000 INTERFACE AD7863 TO 80C196 INTERFACE VECTOR MOTOR CONTROL MULTIPLE AD7863S APPLICATIONS HINTS PC BOARD LAYOUT CONSIDERATIONS GROUND PLANES POWER PLANES SUPPLY DECOUPLING OUTLINE DIMENSIONS ORDERING GUIDE
AD7863 TABLE OF CONTENTS
Features .. 1 Effective Number of Bits ... 14 General Description ... 1 Total Harmonic Distortion (THD) .. 15 Functional Block Diagram .. 1 Intermodulation Distortion .. 15 Product Highlights ... 1 Peak Harmonic or Spurious Noise... 15 Revision History ... 2 DC Linearity Plot ... 15 Specifications... 3 Power Considerations.. 16 Timing Characteristics .. 5 Microprocessor Interfacing... 17 Absolute Maximum Ratings.. 6 AD7863 to ADSP-2100 Interface ... 17 ESD Caution.. 6 AD7863 to ADSP-2101/ADSP-2102 Interface ... 17 Pin Configuration and Function Descriptions... 7 AD7863 to TMS32010 Interface .. 17 Terminology .. 8 AD7863 to TMS320C25 Interface.. 17 Converter Details.. 9 AD7863 to MC68000 Interface .. 18 Track-and-Hold Section .. 9 AD7863 to 80C196 Interface .. 18 Reference Section ... 9 Vector Motor Control .. 18 Circuit Description... 10 Multiple AD7863s .. 19 Analog Input Section ... 10 Applications Hints.. 20 Offset and Full-Scale Adjustment .. 10 PC Board Layout Considerations... 20 Timing and Control ... 11 Ground Planes .. 20 Operating Modes .. 13 Power Planes ... 20 Mode 1 Operation .. 13 Supply Decoupling ... 20 Mode 2 Operation .. 13 Outline Dimensions ... 21 AD7863 Dynamic Specifications ... 14 Ordering Guide .. 22 Signal-to-Noise Ratio (SNR)... 14
REVISION HISTORY 11/06—Rev. A to Rev. B
Updated Format..Universal Deleted Applications .. 1 Changes to Specifications .. 3 Changes to Absolute Maximum Ratings ... 6 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 22
5/99—Rev. 0 to Rev. A
Rev. B | Page 2 of 24 Document Outline FEATURES GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY CONVERTER DETAILS TRACK-AND-HOLD SECTION REFERENCE SECTION CIRCUIT DESCRIPTION ANALOG INPUT SECTION OFFSET AND FULL-SCALE ADJUSTMENT Positive Full-Scale Adjust (−10 Version) Negative Full-Scale Adjust (−10 Version) TIMING AND CONTROL Read Options OPERATING MODES MODE 1 OPERATION Normal Power, High Sampling Performance MODE 2 OPERATION Power-Down, Auto-Sleep After Conversion AD7863 DYNAMIC SPECIFICATIONS SIGNAL-TO-NOISE RATIO (SNR) EFFECTIVE NUMBER OF BITS TOTAL HARMONIC DISTORTION (THD) INTERMODULATION DISTORTION PEAK HARMONIC OR SPURIOUS NOISE DC LINEARITY PLOT POWER CONSIDERATIONS MICROPROCESSOR INTERFACING AD7863 TO ADSP-2100 INTERFACE AD7863 TO ADSP-2101/ADSP-2102 INTERFACE AD7863 TO TMS32010 INTERFACE AD7863 TO TMS320C25 INTERFACE AD7863 TO MC68000 INTERFACE AD7863 TO 80C196 INTERFACE VECTOR MOTOR CONTROL MULTIPLE AD7863S APPLICATIONS HINTS PC BOARD LAYOUT CONSIDERATIONS GROUND PLANES POWER PLANES SUPPLY DECOUPLING OUTLINE DIMENSIONS ORDERING GUIDE