SBAS534E July   2011  – January 2016 ADS4249

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 ADS424x, ADS422x Family Comparison
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics: ADS4249 (250 MSPS)
    6. 7.6  Electrical Characteristics: General
    7. 7.7  Digital Characteristics
    8. 7.8  LVDS and CMOS Modes Timing Requirements
    9. 7.9  LVDS Timings at Lower Sampling Frequencies
    10. 7.10 CMOS Timings at Lower Sampling Frequencies
    11. 7.11 Serial Interface Timing Characteristics
    12. 7.12 Reset Timing (Only when Serial Interface is Used)
    13. 7.13 Typical Characteristics
      1. 7.13.1 Typical Characteristics: ADS4249
      2. 7.13.2 Typical Characteristics: Contour
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Digital Functions
      2. 8.3.2 Gain for SFDR, SNR Trade-Off
      3. 8.3.3 Offset Correction
      4. 8.3.4 Power-Down
        1. 8.3.4.1 Global Power-Down
        2. 8.3.4.2 Channel Standby
        3. 8.3.4.3 Input Clock Stop
      5. 8.3.5 Output Data Format
    4. 8.4 Device Functional Modes
      1. 8.4.1 Output Interface Modes
        1. 8.4.1.1 Output Interface
        2. 8.4.1.2 DDR LVDS Outputs
        3. 8.4.1.3 LVDS Buffer
        4. 8.4.1.4 Parallel CMOS Interface
        5. 8.4.1.5 CMOS Interface Power Dissipation
        6. 8.4.1.6 Multiplexed Mode of Operation
    5. 8.5 Programming
      1. 8.5.1 Parallel Configuration Only
      2. 8.5.2 Serial Interface Configuration Only
      3. 8.5.3 Using Both Serial Interface and Parallel Controls
      4. 8.5.4 Parallel Configuration Details
      5. 8.5.5 Serial Interface Details
        1. 8.5.5.1 Register Initialization
        2. 8.5.5.2 Serial Register Readout
    6. 8.6 Register Maps
      1. 8.6.1 Serial Register Map
      2. 8.6.2 Description of Serial Registers
        1. 8.6.2.1  Register Address 00h (Default = 00h)
        2. 8.6.2.2  Register Address 01h (Default = 00h)
        3. 8.6.2.3  Register Address 01h (Default = 00h)
        4. 8.6.2.4  Register Address 25h (Default = 00h)
        5. 8.6.2.5  Register Address 29h (Default = 00h)
        6. 8.6.2.6  Register Address 2Bh (Default = 00h)
        7. 8.6.2.7  Register Address 3Dh (Default = 00h)
        8. 8.6.2.8  Register Address 3Fh (Default = 00h)
        9. 8.6.2.9  Register Address 40h (Default = 00h)
        10. 8.6.2.10 Register Address 41h (Default = 00h)
        11. 8.6.2.11 Register Address 42h (Default = 00h)
        12. 8.6.2.12 Register Address 45h (Default = 00h)
        13. 8.6.2.13 Register Address 4Ah (Default = 00h)
        14. 8.6.2.14 Register Address 58h (Default = 00h)
        15. 8.6.2.15 Register Address BFh (Default = 00h)
        16. 8.6.2.16 Register Address C1h (Default = 00h)
        17. 8.6.2.17 Register Address CFh (Default = 00h)
        18. 8.6.2.18 Register Address EFh (Default = 00h)
        19. 8.6.2.19 Register Address F1h (Default = 00h)
        20. 8.6.2.20 Register Address F2h (Default = 00h)
        21. 8.6.2.21 Register Address 2h (Default = 00h)
        22. 8.6.2.22 Register Address D5h (Default = 00h)
        23. 8.6.2.23 Register Address D7h (Default = 00h)
        24. 8.6.2.24 Register Address DBh (Default = 00h)
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Theory of Operation
      2. 9.1.2 Analog Input
        1. 9.1.2.1 Drive Circuit Requirements
        2. 9.1.2.2 Driving Circuit
      3. 9.1.3 Clock Input
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Analog Input
        2. 9.2.2.2 Common Mode Voltage Output (VCM)
        3. 9.2.2.3 Clock Driver
        4. 9.2.2.4 Digital Interface
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
    1. 10.1 Sharing DRVDD and AVDD Supplies
    2. 10.2 Using DC-DC Power Supplies
    3. 10.3 Power Supply Bypassing
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Grounding
      2. 11.1.2 Exposed Pad
      3. 11.1.3 Routing Analog Inputs
      4. 11.1.4 Routing Digital Inputs
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Definition of Specifications
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

4 Revision History

Changes from D Revision (May 2015) to E Revision

  • Changed Pin Functions (LVDS Mode) table to comply with RGC Package (LVDS Mode) pin out diagramGo
  • Changed Pin Functions (CMOS Mode) table to comply with RGC Package (CMOS Mode) pin out diagram Go
  • Changed unit in last row of Clock Input, Input clock amplitude differential parameter to VPP in Recommended Operating Conditions tableGo
  • Added text reference for Table 5 Go

Changes from C Revision (July 2012) to D Revision

  • Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go

Changes from B Revision (September 2011) to C Revision

Changes from A Revision (September 2011) to B Revision

  • Changed document status to Production DataGo
  • Changed AC power-supply rejection ratio parameter test condition in ADS4249 Electrical Characteristics tableGo