SLAAED3A October   2023  – May 2024 TAA5212 , TAA5242 , TAC5111 , TAC5112 , TAC5142 , TAC5211 , TAC5212 , TAC5242

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Analog Input Configuration
    1. 2.1 Differential AC Coupled Configuration
    2. 2.2 Single Ended AC Coupled Configuration
    3. 2.3 Differential DC Coupled Configuration
    4. 2.4 Single Ended DC Coupled Configuration
    5. 2.5 Analog Input Mux Configuration
  6. 3Power Tune Mode and Analog Mixing Feature
    1. 3.1 Differential AC Coupled Power Tune Mode
    2. 3.2 Analog Mixing
  7. 4Summary
  8. 5References
  9. 6Revision History

2.4 Single Ended DC Coupled Configuration

In the DC-Coupled single-ended input configuration, the following device register setting is used and the respective input waveform provided to IN1P for the full-scale swing.

Single Ended DC-Coupled Register SettingFigure 2-13 Single Ended DC-Coupled Register Setting
Single Ended DC-Coupled Input Swing at -1dBrG (0dBrG = 2Vrms)Figure 2-14 Single Ended DC-Coupled Input Swing at -1dBrG (0dBrG = 2Vrms)

A frequency plot of the Dynamic Range with -60dBrG input and SNR with input AC signal shorted to ground are provided here.

Single Ended DC Coupling Dynamic Range with -60dBrG InputFigure 2-15 Single Ended DC Coupling Dynamic Range with -60dBrG Input
Single Ended DC Coupling SNRFigure 2-16 Single Ended DC Coupling SNR