AD9785BSVZRL datasheet(2/64 Pages) AD

Numer części	AD9785BSVZRL

Szczegółowy opis	Dual 12-/14-/16-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO

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2 / 64 page

AD9785/AD9787/AD9788

Rev. 0 | Page 2 of 64

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Product Highlights ........................................................................... 1

Typical Signal Chain......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

DC Specifications ......................................................................... 3

Digital Specifications ................................................................... 4

AC Specifications.......................................................................... 5

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Typical Performance Characteristics ........................................... 13

Terminology .................................................................................... 20

Theory of Operation ...................................................................... 21

Serial Port Interface.................................................................... 21

SPI Register Map............................................................................. 24

SPI Register Descriptions .......................................................... 25

Input Data Ports.............................................................................. 33

Single-Port Mode........................................................................ 33

Dual-Port Mode.......................................................................... 33

Input Data Referenced to DATACLK ...................................... 33

Input Data Referenced to REFCLK.......................................... 35

Optimizing the Data Input Timing.......................................... 36

Input Data RAM......................................................................... 37

Digital Datapath ............................................................................. 38

Interpolation Filters ................................................................... 38

Quadrature Modulator .............................................................. 40

Numerically Controlled Oscillator .......................................... 40

Inverse Sinc Filter ....................................................................... 40

Digital Amplitude and Offset Control .................................... 41

Digital Phase Correction........................................................... 41

Device Synchronization................................................................. 42

Synchronization Logic Overview............................................. 42

Synchronizing Devices to a System Clock .............................. 44

Synchronizing Multiple Devices to Each Other..................... 45

Interrupt Request Operation .................................................... 46

Driving the REFCLK Input ........................................................... 47

DAC REFCLK Configuration................................................... 47

Analog Outputs............................................................................... 50

Digital Amplitude Scaling......................................................... 50

Power Dissipation........................................................................... 52

AD9785/AD9787/AD9788 Evaluation Boards........................... 54

Output Configuration................................................................ 54

Digital Picture of Evaluation Board......................................... 54

Evaluation Board Software........................................................ 55

Evaluation Board Schematics ................................................... 56

Outline Dimensions ....................................................................... 62

Ordering Guide .......................................................................... 62

REVISION HISTORY

1/08—Revision 0: Initial Version

Podobny numer części - AD9785BSVZRL

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	AD9785BSVZRL	1Mb / 62P	Low Power 32-Bit Complex NCO

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Podobny opis - AD9785BSVZRL

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	AD9785	1Mb / 62P	Low Power 32-Bit Complex NCO
Texas Instruments	DAC3283	1Mb / 50P	[Old version datasheet] Dual-Channel, 16-Bit, 800 MSPS, Digital-to-Analog Converter (DAC)
Texas Instruments	DAC3283	1Mb / 63P	[Old version datasheet] Dual-Channel, 16-Bit, 800 MSPS, Digital-to-Analog Converter (DAC)
Renesas Technology Corp	DAC1401D125	461Kb / 25P	Dual 14-bit DAC, up to 125 Msps 2 July 2012
Analog Devices	AD9776	1Mb / 56P	Dual 12-/14-/16-Bit REV. A
NXP Semiconductors	DAC1401D125	359Kb / 25P	Dual 14-bit DAC, up to 125 Msps Rev. 01-13 November 2008
Integrated Device Techn...	DAC1401D125HL-C1	457Kb / 25P	Dual 14-bit DAC, up to 125 Msps
Integrated Device Techn...	DAC1401D125	457Kb / 25P	Dual 14-bit DAC, up to 125 Msps
Texas Instruments	DAC3283	1Mb / 67P	[Old version datasheet] DAC3283 Dual-Channel, 16-Bit, 800 MSPS, Digital-to-Analog Converter (DAC)
Analog Devices	AD9780	1Mb / 36P	Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs REV. A

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