AD9767 Analog Devices, AD9767 Datasheet - Page 2

• Manufacturer Part Number: AD9767
• Manufacturer: Analog Devices

Specifications of AD9767

• Resolution (bits): 14bit
• Dac Update Rate: 125MSPS
• Dac Settling Time: 35ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

AD9763/AD9765/AD9767
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 5
Absolute Maximum Ratings............................................................ 8
Pin Configuration and Function Descriptions............................. 9
Typical Performance Characteristics ........................................... 11
Terminology .................................................................................... 20
Theory of Operation ...................................................................... 21
REVISION HISTORY
Revision History: AD9763/AD9765/AD9767
8/11—Rev. F to Rev. G
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
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
DC Specifications ......................................................................... 5
Dynamic Specifications ............................................................... 6
Digital Specifications ................................................................... 7
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
AD9763 ........................................................................................ 11
AD9765 ........................................................................................ 14
AD9767 ........................................................................................ 17
Functional Description.............................................................. 21
Reference Operation .................................................................. 22
Gain Control Mode .................................................................... 22
Setting the Full-Scale Current................................................... 22
DAC Transfer Function ............................................................. 23
Analog Outputs........................................................................... 23
Rev. G | Page 2 of 44
Applying the AD9763/AD9765/AD9767 .................................... 28
Applications Information .............................................................. 31
Evaluation Board ............................................................................ 34
Outline Dimensions ....................................................................... 42
Revision History: AD9763
1/08—Rev. D to Rev. E
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
Digital Inputs .............................................................................. 24
DAC Timing................................................................................ 24
Sleep Mode Operation............................................................... 26
Power Dissipation....................................................................... 26
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
VDSL Example Applications Using the
AD9765 and AD9767 ................................................................ 31
Quadrature Amplitude Modulation (QAM) Example Using
the AD9763 ................................................................................. 32
CDMA ......................................................................................... 33
General Description................................................................... 34
Schematics................................................................................... 34
Evaluation Board Layout........................................................... 40
Ordering Guide .......................................................................... 42
Data Sheet