AD9789 Analog Devices, AD9789 Datasheet - Page 2

• Manufacturer Part Number: AD9789
• Description: 14-Bit, 2400 MSPS RF DAC with 4-Channel Signal Processing
• Manufacturer: Analog Devices

Specifications of AD9789

• Resolution (bits): 14bit
• Dac Update Rate: 2.4GSPS
• Dac Settling Time: 13ns
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9789
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Detailed Functional Block Diagrams............................................. 3
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 8
Pin Configurations and Function Descriptions ........................... 9
Typical Performance Characteristics ........................................... 12
Terminology .................................................................................... 22
Serial Control Port.......................................................................... 23
SPI Register Map............................................................................. 27
REVISION HISTORY
7/11—Rev. 0 to Rev. A
Changes to Table 2, DAC Clock Input (CLKP, CLKN): Added
DAC Clock Rate Parameter............................................................. 5
Changes to Table 3, Dynamic Performance, DAC Update Rate
Parameter; Added Adjusted DAC Update Rate Parameter......... 6
Changes to Captions for Figure 42, Figure 44, Figure 46,
Figure 49 .......................................................................................... 18
Changes to Digital 16x Tunable Band-Pass Filter Section, Third
Paragraph......................................................................................... 44
Changes to Retimer and Latency Look-Up Tables Section,
Second Paragraph ........................................................................... 50
Changes to Captions for Figure 122, Figure 124, Figure 125.... 65
4/09—Revision 0: Initial Version
DC Specifications ......................................................................... 4
Digital Specifications ................................................................... 5
AC Specifications.......................................................................... 6
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
Serial Control Port Pin Descriptions ....................................... 23
General Operation of Serial Control Port............................... 23
Instruction Word (16 Bits) ........................................................ 24
MSB/LSB First Transfers............................................................ 24
Rev. A | Page 2 of 76
Theory of Operation ...................................................................... 39
Customer BIST Modes................................................................... 63
QAM Constellation Maps ............................................................. 65
Channelizer Mode Pin Mapping for CMOS and LVDS............ 68
Outline Dimensions ....................................................................... 74
SPI Register Descriptions.......................................................... 29
Datapath Signal Processing....................................................... 39
Digital Block Upconverter ........................................................ 43
Digital Interface Modes ............................................................. 45
Analog Modes of Operation ..................................................... 54
Analog Control Registers .......................................................... 55
Voltage Reference ....................................................................... 56
DAC Output Stages .................................................................... 56
Clocking the AD9789 ................................................................ 57
Mu Delay Controller.................................................................. 58
Interrupt Requests...................................................................... 61
Recommended Start-Up Sequence .......................................... 62
Using the Internal PRN Generator to Test QAM Output AC
Performance................................................................................ 63
Using the Internal Built-In Self-Test (BIST) to Test for Digital
Data Input Connectivity............................................................. 63
Ordering Guide .......................................................................... 74