ZHCSAK5C December   2012  – December 2015 ADS42B49

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Description (continued)
  6. 6 ADS424x and ADS422x Family Comparison
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  ESD Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  Thermal Information
    5. 8.5  Electrical Characteristics: ADS42B49 (250 MSPS)
    6. 8.6  Electrical Characteristics: General
    7. 8.7  Digital Characteristics
    8. 8.8  Timing Requirements: LVDS and CMOS Modes
    9. 8.9  Serial Interface Timing Characteristics
    10. 8.10 Reset Timing (Only When Serial Interface is Used)
    11. 8.11 LVDS Timings at Lower Sampling Frequencies
    12. 8.12 CMOS Timings at Lower Sampling Frequencies
    13. 8.13 Typical Characteristics
      1. 8.13.1 ADS42B49
      2. 8.13.2 Contour
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1 Migrating from the ADS62P49 and ADS4249
      2. 10.3.2 Digital Functions
      3. 10.3.3 Gain for SFDR and SNR Trade-Off
      4. 10.3.4 Offset Correction
    4. 10.4 Device Functional Modes
      1. 10.4.1 Power-Down
        1. 10.4.1.1 Global Power-Down
        2. 10.4.1.2 Channel Standby
        3. 10.4.1.3 Input Clock Stop
      2. 10.4.2 Digital Output Information
        1. 10.4.2.1 Output Interface
        2. 10.4.2.2 DDR LVDS Outputs
        3. 10.4.2.3 LVDS Buffer
        4. 10.4.2.4 Parallel CMOS Interface
        5. 10.4.2.5 CMOS Interface Power Dissipation
        6. 10.4.2.6 Multiplexed Mode of Operation
        7. 10.4.2.7 Output Data Format
      3. 10.4.3 Parallel Configuration Details
    5. 10.5 Programming
      1. 10.5.1 Parallel Configuration Only
      2. 10.5.2 Serial Interface Configuration Only
      3. 10.5.3 Using Both Serial Interface and Parallel Controls
      4. 10.5.4 Serial Interface Details
        1. 10.5.4.1 Register Initialization
        2. 10.5.4.2 Serial Register Readout
    6. 10.6 Register Maps
      1. 10.6.1 Register Description
  11. 11Application and Implementation
    1. 11.1 Application Information
      1. 11.1.1 Driving Circuit
        1. 11.1.1.1 Drive Circuit Requirements
      2. 11.1.2 Clock Input
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1 Analog Input
        2. 11.2.2.2 Clock Driver
        3. 11.2.2.3 Digital Interface
      3. 11.2.3 Application Curves
  12. 12Power Supply Recommendations
    1. 12.1 Using DC/DC Power Supplies
    2. 12.2 Power Supply Bypassing
  13. 13Layout
    1. 13.1 Layout Guidelines
      1. 13.1.1 Grounding
      2. 13.1.2 Supply Decoupling
      3. 13.1.3 Exposed Pad
      4. 13.1.4 Routing Analog Inputs
    2. 13.2 Layout Example
  14. 14器件和文档支持
    1. 14.1 器件支持
      1. 14.1.1 器件命名规则
    2. 14.2 文档支持
      1. 14.2.1 相关文档　
    3. 14.3 社区资源
    4. 14.4 商标
    5. 14.5 静电放电警告
    6. 14.6 Glossary
  15. 15机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Description (continued)

The ADS42B49 has gain options that can be used to improve SFDR performance at lower full-scale input ranges. This device also includes a dc offset correction loop that can be used to cancel the ADC offset. Both DDR LVDS and parallel CMOS digital output interfaces are available in a compact VQFN-64 PowerPAD™ package.

The device includes internal references while the traditional reference pins and associated decoupling capacitors have been eliminated. The ADS42B49 is specified over the industrial temperature range (–40°C to 85°C).
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