ZHCSAM3B December   2012  – April 2022 ADS54T01

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Device Comparison
  6. Pin Configuration and Functions
  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
    6. 7.6  Electrical Characteristics
    7. 7.7  Electrical Characteristics
    8. 7.8  Electrical Characteristics
    9. 7.9  Electrical Characteristics
    10. 7.10 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Test Pattern Output
      2. 8.3.2  Clock Inputs
      3. 8.3.3  SNR and Clock Jitter
      4. 8.3.4  Analog Inputs
      5. 8.3.5  Over-Range Indication
      6. 8.3.6  Interleaving Correction
      7. 8.3.7  High-Resolution Output Data
      8. 8.3.8  Low-Resolution Output Data
      9. 8.3.9  Full Speed – 7 Bit
      10. 8.3.10 Decimated Low-Resolution Output Data
      11. 8.3.11 Multi Device Synchronization
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Down Modes
      2. 8.4.2 Feedback Mode: Burst Mode
      3. 8.4.3 Receive Mode: Decimation Filter
      4. 8.4.4 Manual Trigger Mode
      5. 8.4.5 Auto Trigger Mode
    5. 8.5 Programming
      1. 8.5.1 Device Initialization
      2. 8.5.2 Serial Register Write
      3. 8.5.3 Serial Register Readout
    6. 8.6 Register Maps
      1. 8.6.1 Serial Register Map
      2. 8.6.2 Description of Serial Interface Registers
  9. Power Supply Recommendations
  10. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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Decimated Low-Resolution Output Data

In decimated low-resolution mode, the output data is limited to 11 bits and every sample is repeated four times, so the effective data rate is 1/4 of ADC sampling rate. The latency of the ADC sample to output sample is exactly the same as for high-resolution data—there is no uncertainty in which conversion sample results in the valid output data. This is because the output continues to run at the ADC sample rate in decimated low-resolution mode where only the resolution is changed and three out of four samples are deleted.

GUID-827BB419-8B3B-4519-BE5F-952581FC0B2B-low.gifFigure 8-11 Decimated Low-Resolution Output Data Timing Diagram