AD7484 Analog Devices, AD7484 Datasheet - Page 2

• Manufacturer Part Number: AD7484
• Description: 14-Bit, 3 MSPS SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7484

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 3MSPS
• Interface: Par
• Analog Input Type: SE-Uni
• Ain Range: Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: QFP

AD7484
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 11
REVISION HISTORY
12/09—Rev. B to Rev. C
Changes to Table 1, Power Requirements Section ....................... 4
Changes to Ordering Guide .......................................................... 19
8/08—Rev. A. to Rev. B
Changes to Table 1 ............................................................................ 3
Changes to Table 3 ............................................................................ 6
Changes to Typical Performance Characteristics Section ........... 9
Changes to Figure 9 ........................................................................ 10
Changes to Circuit Description Section ...................................... 11
Changes to Terminology Section.................................................. 11
Changes to Analog Input Section ................................................. 12
Changes to Offset/Overrange Section ......................................... 14
Changes to Table 5, Table 6, Table 7, and Table 8 ....................... 15
Changes to Parallel Interface Section ........................................... 15
Changes to Table 9 .......................................................................... 16
Changes to Board Layout and Grounding Section .................... 17
Changes to Ordering Guide .......................................................... 19
Timing Characteristics ................................................................ 5
ESD Caution .................................................................................. 6
Rev. C | Page 2 of 20
Circuit Description......................................................................... 12
Outline Dimensions ....................................................................... 19
2/04—Rev. 0 to Rev. A
Updated Format .................................................................. Universal
Changes to Timing Characteristics Section .................................. 5
Changes to Pin Function Descriptions Section ............................. 8
Changes to Figure 9 ........................................................................ 11
Changes to the Converter Operation Section............................. 13
Changes to the Offset/Overrange Section ................................... 15
8/02—Revision 0: Initial Version
Converter Operation .................................................................. 12
Analog Input ............................................................................... 12
ADC Transfer Function ............................................................. 13
Power Saving ............................................................................... 13
Offset/Overrange ........................................................................ 14
Parallel Interface ......................................................................... 15
Board Layout and Grounding ................................................... 17
Ordering Guide .......................................................................... 19