Datasheet

AD9114/AD9115/AD9116/AD9117 Data Sheet
Rev. C | Page 2 of 52
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 3
Functional Block Diagram .............................................................. 4
Specifications ..................................................................................... 5
DC Specifications ......................................................................... 5
Digital Specifications ................................................................... 7
AC Specifications .......................................................................... 8
Absolute Maximum Ratings ............................................................ 9
Thermal Resistance ...................................................................... 9
ESD Caution .................................................................................. 9
Pin Configurations and Function Descriptions ......................... 10
Typical Performance Characteristics ........................................... 18
Terminology .................................................................................... 31
Theory of Operation ...................................................................... 32
Serial Peripheral Interface (SPI) ................................................... 33
General Operation of the Serial Interface ............................... 33
Instruction Byte .......................................................................... 33
Serial Interface Port Pin Descriptions ..................................... 33
MSB/LSB Transfers..................................................................... 34
Serial Port Operation ................................................................. 34
Pin Mode ..................................................................................... 34
SPI Register Map ............................................................................. 35
SPI Register Descriptions .............................................................. 36
Digital Interface Operation ........................................................... 40
Digital Data Latching and Retimer Section ............................ 41
Estimating the Overall DAC Pipeline Delay........................... 42
Reference Operation .................................................................. 43
Reference Control Amplifier .................................................... 43
DAC Transfer Function ............................................................. 43
Analog Output ............................................................................ 44
Self-Calibration ........................................................................... 44
Coarse Gain Adjustment ........................................................... 45
Using the Internal Termination Resistors ............................... 46
Applications Information .............................................................. 47
Output Configurations .............................................................. 47
Differential Coupling Using a Transformer ............................... 47
Single-Ended Buffered Output Using an Op Amp ................ 47
Differential Buffered Output Using an Op Amp .................. 48
Auxiliary DACs........................................................................... 48
DAC-to-Modulator Interfacing ................................................ 49
Correcting for Nonideal Performance of Quadrature
Modulators on the IF-to-RF Conversion ................................ 49
I/Q Channel Gain Matching ..................................................... 49
LO Feedthrough Compensation .............................................. 50
Results of Gain and Offset Correction .................................... 50
Outline Dimensions ....................................................................... 51
Ordering Guide .......................................................................... 52