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 Analog Input Configuration

Table 2-1 provides a summary of the different input configurations for IN1 in this application note, the same applies to IN2 input with the register channel change to 2.

Table 2-1 IN1 Input Configuration and Input Swing
Input Pin Input Mode Topology Input Swing
IN1P-IN1M LINE-IN Differential, AC-coupled 2 Vrms
IN1P LINE-IN Single-Ended, AC-coupled 1 Vrms
IN1P LINE-IN Single-Ended Mux IN1P, AC-coupled 1 Vrms
IN1M LINE-IN Single-Ended Mux IN1M, AC-coupled 1 Vrms
IN1P-IN1M LINE-IN Differential, DC-coupled 4 Vrms
IN1P LINE-IN Single-ended, DC-coupled 2 Vrms
IN1P LINE-IN Single-ended Mux IN1P, DC-coupled 2 Vrms
IN1M LINE-IN Single-ended Mux IN1M, DC-coupled 2 Vrms

For each of the test, audio signal is provided from APx500 analog balance or unbalanced output with input level referenced to the full-scale swing of the device configuration for example 0 dBrG is referenced to 2 Vrms single ended swing or 4 Vrms differential input swing in DC-Coupled configuration.