SLAAED0
March 2024
TAS2764
,
TAS2780
,
TAS2781
1
Abstract
Trademarks
1
Introduction
2
Measurement Methodology
3
Introduction to Noise-gate and Pop in Class-D Amplifiers
4
Causes of Pop in TAS27xx family of Class-D Amplifiers
5
Click and Pop Using TAS27xx
6
Click and Pop Measurement Technique Using AP v6.0. 2
6.1
Measurement Setup
6.2
Filter Settings
6.3
Data Capture Settings
6.4
Auto Range Settings for Pop Measurement
6.5
ASI or I2S Configurations for Pop Measurement
6.6
APx Sound Level Meter Utility
6.7
Data Acquisition
6.8
Interpreting Click and Pop Waveforms
6.9
Post Processing of AP Waveforms
6.10
A-Weighted Click and Pop Numbers
6.11
Exporting the A-Weighted Numbers
7
Noise-Gate Pop and Measurement Technique Using APx
8
Configuring TAS2764 for Improved Click and Pop Noise Performance
8.1
Explanation
9
Summary
10
References
10
References
Texas Instruments,
TAS2780 Digital Input Mono Class-D Audio Amplifier With Speaker IV Sense
, data sheet.
Texas Instruments,
TAS2781 24-V Class-D Amplifier with Real Time Integrated Speaker Protection and Audio Processing
, data sheet.
Texas Instruments,
TAS2764 Digital Input Mono Class-D Audio Amplifier With Speaker IV Sense
, data sheet.
Texas Instruments,
Click and Pop Measurement Technique
, application note.