AD9248BSTZ-65 Analog Devices Inc, AD9248BSTZ-65 Datasheet - Page 2

• Manufacturer Part Number: AD9248BSTZ-65
• Description: IC ADC 14BIT DUAL 65MSPS 64-LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9248BSTZ-65

• Data Interface: Parallel
• Number Of Bits: 14
• Sampling Rate (per Second): 65M
• Number Of Converters: 2
• Power Dissipation (max): 600mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Resolution (bits): 14bit
• Input Channel Type: Differential
• Supply Voltage Range - Analogue: 2.7V To 3.6V
• Supply Voltage Range - Digital: 2.25V To 3.6V
• Supply Current: 200mA
• Sampling Rate: 65MSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9248BST-65EBZ - BOARD EVAL WITH AD9248BST-65AD9248BCP-65EBZ - BOARD EVAL WITH AD9248BCP-65
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD9248
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 8
Pin Configuration and Function Descriptions............................. 9
Terminology .................................................................................... 11
Typical Performance Characteristics ........................................... 12
Equivalent Circuits ......................................................................... 16
Theory of Operation ...................................................................... 17
AD9248 LQFP Evaluation Board ................................................. 22
REVISION HISTORY
3/05—Rev. 0 to Rev. A
Added LFCSP ......................................................................Universal
Changes to Features.......................................................................... 1
Changes to Applications .................................................................. 1
Changes to General Description .................................................... 1
Changes to Product Highlights....................................................... 1
Changes to Table 6.......................................................................... 10
Changes to Terminology................................................................ 11
Changes to Figure 22...................................................................... 15
Changes to Clock Input and Considerations Section................ 18
Changes to Timing Section ........................................................... 19
DC Specifications ......................................................................... 3
AC Specifications.......................................................................... 5
Digital Specifications ................................................................... 6
Switching Specifications .............................................................. 7
Explanation of Test Levels ........................................................... 8
ESD Caution.................................................................................. 8
Analog Input ............................................................................... 17
Clock Input and Considerations .............................................. 18
Power Dissipation and Standby Mode..................................... 19
Digital Outputs ........................................................................... 19
Timing.......................................................................................... 19
Data Format ................................................................................ 20
Voltage Reference....................................................................... 20
Rev. A | Page 2 of 48
Dual ADC LFCSP PCB.................................................................. 35
Outline Dimensions ....................................................................... 46
Changes to Figure 33...................................................................... 19
Changes to Data Format Section.................................................. 20
Changes to Table 10 ....................................................................... 24
Changes to Figure 39...................................................................... 25
Changes to Table 13 ....................................................................... 36
Updated Outline Dimensions....................................................... 46
Changes to Ordering Guide .......................................................... 47
1/05—Revision 0: Initial Version
Clock Circuitry ........................................................................... 22
Analog Inputs ............................................................................. 22
Reference Circuitry .................................................................... 22
Digital Control Logic ................................................................. 22
Outputs ........................................................................................ 22
LQFP Evaluation Board Bill of Materials (BOM).................. 24
LQFP Evaluation Board Schematics ........................................ 25
LQFP PCB Layers....................................................................... 29
Power Connector........................................................................ 35
Analog Inputs ............................................................................. 35
Optional Operational Amplifier .............................................. 35
Clock ............................................................................................ 35
Voltage Reference ....................................................................... 35
Data Outputs............................................................................... 35
LFCSP Evaluation Board Bill of Materials (BOM) ................ 36
LFCSP PCB Schematics............................................................. 37
LFCSP PCB Layers ..................................................................... 40
Thermal Considerations............................................................ 45
Ordering Guide .......................................................................... 47