AD9763AST Analog Devices Inc, AD9763AST Datasheet - Page 2

• Manufacturer Part Number: AD9763AST
• Description: IC DAC 10BIT DUAL 125MSPS 48LQFP
• Manufacturer: Analog Devices Inc
• Series: TxDAC+®r

Specifications of AD9763AST

• Rohs Status: RoHS non-compliant
• Settling Time: 35ns
• Number Of Bits: 10
• Data Interface: Parallel
• Number Of Converters: 2
• Voltage Supply Source: Analog and Digital
• Power Dissipation (max): 450mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• For Use With: AD9763-EBZ - BOARD EVAL FOR AD9763

AD9763/AD9765/AD9767
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 3
Specifications ..................................................................................... 5
Absolute Maximum Ratings ............................................................ 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 11
Terminology .................................................................................... 20
Theory of Operation ...................................................................... 21
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
Rev. F | Page 2 of 44
Applying the AD9763/AD9765/AD9767 .................................... 28
Applications ..................................................................................... 31
Evaluation Board ............................................................................ 34
Outline Dimensions ....................................................................... 42
Ordering Guide ............................................................................... 42
Analog Outputs .......................................................................... 23
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