AD9763/AD9765/AD9767
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Digital Inputs .............................................................................. 24
DAC Timing................................................................................ 24
Sleep Mode Operation............................................................... 26
Power Dissipation....................................................................... 26
Applying the AD9763/AD9765/AD9767.................................... 28
Output Configurations.............................................................. 28
Differential Coupling Using a Transformer............................ 28
Differential Coupling Using an Op Amp................................ 28
Single-Ended, Unbuffered Voltage Output............................. 29
Single-Ended, Buffered Voltage Output Configuration........ 29
Power and Grounding Considerations.................................... 29
Applications Information.............................................................. 31
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 5
DC Specifications ......................................................................... 5
Dynamic Specifications ............................................................... 6
Digital Specifications ................................................................... 7
Absolute Maximum Ratings............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
Pin Configuration and Function Descriptions............................. 9
Typical Performance Characteristics ........................................... 11
AD9763........................................................................................ 11
AD9765........................................................................................ 14
AD9767........................................................................................ 17
Terminology .................................................................................... 20
Theory of Operation ...................................................................... 21
Functional Description.............................................................. 21
Reference Operation .................................................................. 22
Gain Control Mode.................................................................... 22
Setting the Full-Scale Current................................................... 22
DAC Transfer Function ............................................................. 23
Analog Outputs........................................................................... 23
VDSL Example Applications Using the
AD9765 and AD9767 ................................................................ 31
Quadrature Amplitude Modulation (QAM) Example Using
the AD9763 ................................................................................. 32
CDMA ......................................................................................... 33
Evaluation Board ............................................................................ 34
General Description................................................................... 34
Schematics................................................................................... 34
Evaluation Board Layout........................................................... 40
Outline Dimensions....................................................................... 42
Ordering Guide .......................................................................... 42
REVISION HISTORY
Revision History: AD9763/AD9765/AD9767
Revision History: AD9763
8/11—Rev. F to Rev. G
1/08—Rev. D to Rev. E
Changes to Gain Control Mode Section and Setting the Full-
Scale Current Section..................................................................... 22
Changes to DAC Transfer Function Section............................... 23
Changes to Power Supply Rejection Section............................... 29
Combined with AD9765 and AD9767 Data Sheets.......Universal
Changes to Figure 1...........................................................................1
Changes to Applications Section.....................................................1
Changes to Timing Diagram Section .............................................7
Added Figure 4 and Figure 5............................................................9
Changes to Table 6.......................................................................... 10
Change to Typical Performance Characteristics Section
Conditions Statement .................................................................... 11
Added Figure 23 to Figure 56 ....................................................... 14
Added Note to Figure 58 ............................................................... 20
Changes to Functional Description Section ............................... 22
Changes to Figure 59 and Figure 60............................................. 22
Changes to Gain Control Mode Section ..................................... 22
6/09—Rev. E to Rev. F
Replaced Figure 86 to Figure 90 with Figure 86 to Figure 91,
Deleted Original Figure 91 to Figure 94...................................... 34
1/08—Revision E: Initial Combined Version
Rev. G | Page 2 of 44
ADI [ ADI ]
