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

2.2 Single Ended AC Coupled Configuration

In the AC-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 AC-Coupled Register SettingFigure 2-5 Single Ended AC-Coupled Register Setting
Single Ended AC-Coupled Input Swing at -1dBrG (0dBrG = 1Vrms)Figure 2-6 Single Ended AC-Coupled Input Swing at -1dBrG (0dBrG = 1Vrms)

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

Single Ended AC-Coupled Dynamic Range at -60dBrG InputFigure 2-7 Single Ended AC-Coupled Dynamic Range at -60dBrG Input
SNR With Input AC Signal Shorted to GNDFigure 2-8 SNR With Input AC Signal Shorted to GND