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AD9773BSV Arkusz danych(PDF) 2 Page - Analog Devices |
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AD9773BSV Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 60 page AD9773 Rev. D | Page 2 of 60 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .......................................................... 1 Table of Contents .............................................................................. 2 Revision History ........................................................................... 2 General Description ......................................................................... 4 Product Highlights ....................................................................... 4 Specifications..................................................................................... 5 DC Specifications ......................................................................... 5 Dynamic Specifications ............................................................... 6 Digital Specifications ................................................................... 7 Digital Filter Specifications ......................................................... 8 Absolute Maximum Ratings............................................................ 9 Thermal Characteristics .............................................................. 9 ESD Caution.................................................................................. 9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 12 Terminology .................................................................................... 17 Mode Control (Via SPI Port) .................................................... 18 Register Description................................................................... 20 Functional Description .................................................................. 22 Serial Interface for Register Control ........................................ 22 General Operation of the Serial Interface ............................... 22 Instruction Byte .......................................................................... 23 Serial Interface Port Pin Descriptions ..................................... 23 MSB/LSB Transfers..................................................................... 23 Notes on Serial Port Operation ................................................ 25 DAC Operation........................................................................... 25 1R/2R Mode ................................................................................ 26 Clock Input Configurations ...................................................... 27 Programmable PLL .................................................................... 27 Power Dissipation....................................................................... 29 Sleep/Power-Down Modes........................................................ 29 Two-Port Data Input Mode ...................................................... 30 One-/Two-Port Input Modes.................................................... 30 PLL Enabled, Two-Port Mode .................................................. 30 DATACLK Inversion.................................................................. 31 DATACLK Driver Strength....................................................... 31 PLL Enabled, One-Port Mode .................................................. 31 ONEPORTCLK Inversion......................................................... 31 ONEPORTCLK Driver Strength.............................................. 32 IQ Pairing .................................................................................... 32 PLL Disabled, Two-Port Mode................................................. 32 PLL Disabled, One-Port Mode ................................................. 32 Digital Filter Modes ................................................................... 33 Amplitude Modulation.............................................................. 33 Modulation, No Interpolation .................................................. 34 Modulation, Interpolation = 2× ............................................... 35 Modulation, Interpolation = 4× ............................................... 36 Modulation, Interpolation = 8× ............................................... 37 Zero Stuffing ............................................................................... 38 Interpolating (Complex Mix Mode)........................................ 38 Operations on Complex Signals............................................... 38 Complex Modulation and Image Rejection of Baseband Signals .......................................................................................... 39 Image Rejection and Sideband Suppression of Modulated Carriers ........................................................................................ 41 Applying the Output Configurations........................................... 46 Unbuffered Differential Output, Equivalent Circuit ............. 46 Differential Coupling Using a Transformer............................ 46 Differential Coupling Using an Op Amp................................ 47 Interfacing the AD9773 with the AD8345 Quadrature Modulator.................................................................................... 47 Evaluation Board ............................................................................ 48 Outline Dimensions ....................................................................... 58 Ordering Guide .......................................................................... 58 REVISION HISTORY 10/07—Rev. C to Rev. D Updated Formatting ........................................................ Universal Changes to Figure 32 .................................................................... 22 Changes to Figure 108 .................................................................. 54 Updated Outline Dimensions ..................................................... 58 Changes to Ordering Guide......................................................... 58 |
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Podobny opis - AD9773BSV |
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