AD9747 Analog Devices, AD9747 Datasheet - Page 2

• Manufacturer Part Number: AD9747
• Description: Dual 16-Bit 250 MSPS Digital-to-Analog Converters
• Manufacturer: Analog Devices

Specifications of AD9747

• Resolution (bits): 16bit
• Dac Update Rate: 250MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9741/AD9743/AD9745/AD9746/AD9747
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 8
Pin Configurations and Function Descriptions ........................... 9
Typical Performance Characteristics ........................................... 14
Terminology .................................................................................... 17
Theory of Operation ...................................................................... 18
REVISION HISTORY
5/07—Revision 0: Initial Version
DC Specifications ......................................................................... 3
AC Specifications.......................................................................... 5
Digital and Timing Specifications.............................................. 7
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
Serial Peripheral Interface ......................................................... 18
General Operation of the Serial Interface ............................... 18
Rev. 0 | Page 2 of 28
SPI Register Map ............................................................................ 20
SPI Register Descriptions .............................................................. 21
Digital Inputs and Outputs ........................................................... 22
Outline Dimensions ....................................................................... 27
Instruction Byte .......................................................................... 18
MSB/LSB Transfers .................................................................... 19
Serial Interface Port Pin Descriptions ..................................... 19
Input Data Timing ..................................................................... 22
Dual-Port Mode Timing ........................................................... 22
Single-Port Mode Timing ......................................................... 22
SPI Port, Reset, and Pin Mode.................................................. 22
Driving the DAC Clock Input .................................................. 23
Full-Scale Current Generation ................................................. 23
DAC Transfer Function ............................................................. 24
Analog Modes of Operation ..................................................... 24
Auxiliary DACS .......................................................................... 25
Power Dissipation....................................................................... 25
Ordering Guide .......................................................................... 27