AD9775-EB Analog Devices, Inc., AD9775-EB Datasheet - Page 2

• Manufacturer Part Number: AD9775-EB
• Description: 14-bit, 160 Msps, 2?/4?/8? Interpolating Dual Txdac+ Digital-to-analog Converter
• Manufacturer: Analog Devices, Inc.

AD9775
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Specifications..................................................................................... 5
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 12
Terminology .................................................................................... 17
Mode Control (via SPI Port) ......................................................... 18
Register Descriptions ..................................................................... 19
Functional Description .................................................................. 21
Product Highlights ....................................................................... 4
DC Specifications ......................................................................... 5
Dynamic Specifications ............................................................... 6
Digital Specifications ................................................................... 7
Digital Filter Specifications ......................................................... 8
ESD Caution.................................................................................. 9
Thermal Resistance ...................................................................... 9
Address 0x00 ............................................................................... 19
Address 0x01 ............................................................................... 19
Address 0x02 ............................................................................... 19
Address 0x03 ............................................................................... 20
Address 0x04 ............................................................................... 20
Address 0x05, Address 0x09 ..................................................... 20
Address 0x06, Address 0x0A..................................................... 20
Address 0x07, Address 0x0B ..................................................... 20
Address 0x08, Address 0x0C..................................................... 20
Address 0x08, Address 0x0C..................................................... 20
Serial Interface for Register Control ........................................ 21
General Operation of the Serial Interface ............................... 21
Instruction Byte .......................................................................... 22
Serial Interface Port Pin Descriptions ..................................... 22
MSB/LSB Transfers..................................................................... 22
Notes on Serial Port Operation ................................................ 22
DAC Operation........................................................................... 24
Rev. E | Page 2 of 56
Applying the Output Configurations........................................... 42
Evaluation Board ............................................................................ 44
Outline Dimensions ....................................................................... 54
1R/2R Mode ................................................................................ 25
Clock Input Configurations...................................................... 25
Programmable PLL .................................................................... 26
Power Dissipation....................................................................... 27
Sleep/Power-Down Modes........................................................ 28
Two-Port Data Input Mode ...................................................... 28
PLL Enabled, Two-Port Mode .................................................. 28
DATACLK Inversion.................................................................. 29
DATACLK Driver Strength....................................................... 29
PLL Enabled, One-Port Mode .................................................. 29
ONEPORTCLK Inversion......................................................... 29
ONEPORTCLK Driver Strength.............................................. 30
IQ Pairing .................................................................................... 30
PLL Disabled, Two-Port Mode................................................. 30
PLL Disabled, One-Port Mode ................................................. 30
Digital Filter Modes ................................................................... 31
Amplitude Modulation.............................................................. 31
Modulation, No Interpolation .................................................. 32
Modulation, Interpolation = 2× ............................................... 33
Modulation, Interpolation = 4× ............................................... 34
Modulation, Interpolation = 8× ............................................... 35
Zero Stuffing ............................................................................... 36
Interpolating (Complex Mix Mode)........................................ 36
Operations on Complex Signals............................................... 36
Complex Modulation and Image Rejection of Baseband
Signals .......................................................................................... 37
Image Rejection and Sideband Suppression of Modulated
Carriers ........................................................................................ 38
Unbuffered Differential Output, Equivalent Circuit ............. 42
Differential Coupling Using a Transformer............................ 42
Differential Coupling Using an Op Amp................................ 43
Interfacing the AD9775 with the AD8345 Quadrature
Modulator.................................................................................... 43
Ordering Guide .......................................................................... 54