AD9775-EBZ Analog Devices Inc, AD9775-EBZ Datasheet - Page 2

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AD9775-EBZ

Manufacturer Part Number
AD9775-EBZ
Description
14Bit 160 MSPS Dual TxDAC+ D/A Converter
Manufacturer
Analog Devices Inc
Series
TxDAC+®r
Datasheet

Specifications of AD9775-EBZ

Number Of Dac's
2
Number Of Bits
14
Outputs And Type
2, Differential
Sampling Rate (per Second)
160M
Data Interface
Parallel
Settling Time
11ns
Dac Type
Current
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD9775
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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

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