SBAS670B July   2014  – April 2017 ADC3441 , ADC3442 , ADC3443 , ADC3444

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  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: General
    6. 7.6  Electrical Characteristics: ADC3441, ADC3442
    7. 7.7  Electrical Characteristics: ADC3443, ADC3444
    8. 7.8  AC Performance: ADC3441
    9. 7.9  AC Performance: ADC3442
    10. 7.10 AC Performance: ADC3443
    11. 7.11 AC Performance: ADC3444
    12. 7.12 Digital Characteristics
    13. 7.13 Timing Requirements: General
    14. 7.14 Timing Requirements: LVDS Output
    15. 7.15 Typical Characteristics: ADC3441
    16. 7.16 Typical Characteristics: ADC3442
    17. 7.17 Typical Characteristics: ADC3443
    18. 7.18 Typical Characteristics: ADC3444
    19. 7.19 Typical Characteristics: Common
    20. 7.20 Typical Characteristics: Contour
  8. 8 Parameter Measurement Information
    1. 8.1 Timing Diagrams
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Analog Inputs
      2. 9.3.2 Clock Input
        1. 9.3.2.1 Using the SYSREF Input
        2. 9.3.2.2 SNR and Clock Jitter
      3. 9.3.3 Digital Output Interface
        1. 9.3.3.1 One-Wire Interface: 14x Serialization
        2. 9.3.3.2 Two-Wire Interface: 7x Serialization
    4. 9.4 Device Functional Modes
      1. 9.4.1 Input Clock Divider
      2. 9.4.2 Chopper Functionality
      3. 9.4.3 Power-Down Control
      4. 9.4.4 Internal Dither Algorithm
      5. 9.4.5 Summary of Performance Mode Registers
    5. 9.5 Programming
      1. 9.5.1 Serial Interface
        1. 9.5.1.1 Register Initialization
          1. 9.5.1.1.1 Serial Register Write
          2. 9.5.1.1.2 Serial Register Readout
      2. 9.5.2 ADC3441 Power-Up Requirements
    6. 9.6 Register Maps
      1. 9.6.1 Serial Register Description
        1. 9.6.1.1  Register 01h (address = 01h)
        2. 9.6.1.2  Register 03h (address = 03h)
        3. 9.6.1.3  Register 04h (address = 04h)
        4. 9.6.1.4  Register 05h (address = 05h)
        5. 9.6.1.5  Register 06h (address = 06h)
        6. 9.6.1.6  Register 07h (address = 07h)
        7. 9.6.1.7  Register 09h (address = 09h)
        8. 9.6.1.8  Register 0Ah (address = 0Ah)
        9. 9.6.1.9  Register 0Bh (address = 0Bh)
        10. 9.6.1.10 Register 13h (address = 13h)
        11. 9.6.1.11 Register 0Eh (address = 0Eh)
        12. 9.6.1.12 Register 0Fh (address = 0Fh)
        13. 9.6.1.13 Register 15h (address = 15h)
        14. 9.6.1.14 Register 25h (address = 25h)
        15. 9.6.1.15 Register 27h (address = 27h)
        16. 9.6.1.16 Register 11Dh (address = 11Dh)
        17. 9.6.1.17 Register 122h (address = 122h)
        18. 9.6.1.18 Register 134h (address = 134h)
        19. 9.6.1.19 Register 139h (address = 139h)
        20. 9.6.1.20 Register 21Dh (address = 21Dh)
        21. 9.6.1.21 Register 222h (address = 222h)
        22. 9.6.1.22 Register 234h (address = 234h)
        23. 9.6.1.23 Register 239h (address = 239h)
        24. 9.6.1.24 Register 308h (address = 308h)
        25. 9.6.1.25 Register 41Dh (address = 41Dh)
        26. 9.6.1.26 Register 422h (address = 422h)
        27. 9.6.1.27 Register 434h (address = 434h)
        28. 9.6.1.28 Register 439h (address = 439h)
        29. 9.6.1.29 Register 51Dh (address = 51Dh)
        30. 9.6.1.30 Register 522h (address = 522h)
        31. 9.6.1.31 Register 534h (address = 534h)
        32. 9.6.1.32 Register 539h (address = 539h)
        33. 9.6.1.33 Register 608h (address = 608h)
        34. 9.6.1.34 Register 70Ah (address = 70Ah)
  10. 10Applications and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Driving Circuit Design: Low Input Frequencies
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
        3. 10.2.1.3 Application Curve
      2. 10.2.2 Driving Circuit Design: Input Frequencies Between 100 MHz to 230 MHz
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curve
      3. 10.2.3 Driving Circuit Design: Input Frequencies Greater than 230 MHz
        1. 10.2.3.1 Design Requirements
        2. 10.2.3.2 Detailed Design Procedure
        3. 10.2.3.3 Application Curve
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Related Links
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Community Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

12 Layout

12.1 Layout Guidelines

The ADC344x EVM layout may be used as a reference layout to obtain the best performance. A layout diagram of the EVM top layer is provided in Figure 203. Some important points to remember during laying out the board are:

  1. Analog inputs are located on opposite sides of the device pin out to ensure minimum crosstalk on the package level. To minimize crosstalk onboard, the analog inputs must exit the pin out in opposite directions, as shown in the reference layout of Figure 203 as much as possible.
  2. In the device pin out, the sampling clock is located on a side perpendicular to the analog inputs in order to minimize coupling between them. This configuration is also maintained on the reference layout of Figure 203 as much as possible.
  3. Keep digital outputs away from the analog inputs. When these digital outputs exit the pin out, the digital output traces must not be kept parallel to the analog input traces because this configuration may result in coupling from digital outputs to analog inputs and degrade performance. All digital output traces to the receiver [such as a field-programmable gate array (FPGA) or an application-specific integrated circuit (ASIC)] must be matched in length to avoid skew among outputs.
  4. At each power-supply pin (AVDD and DVDD), keep a 0.1-µF decoupling capacitor close to the device. A separate decoupling capacitor group consisting of a parallel combination of 10-µF, 1-µF, and 0.1-µF capacitors may be kept close to the supply source.

12.2 Layout Example

ADC3441 ADC3442 ADC3443 ADC3444 Lyt_BAS670.gif Figure 203. Typical Layout of the ADC344x Board