Download
Share
Print this page
Texas Instruments TPA3123D2 User Manual
  1. Manuals
  2. Brands
  3. Texas Instruments Manuals
  4. Motherboard
  5. TPA3123D2
  6. User manual
Texas Instruments TPA3123D2 User Manual

Texas Instruments TPA3123D2 User Manual

2.1 audio power amplifier demo board
Hide thumbs Also See for TPA3123D2:

Advertisement

Quick Links

Download this manual
TPA3123D2 2.1 AUDIO POWER AMPLIFIER DEMO BOARD
.............................................................................................................
Introduction
................................................................................................................
Operation
TPA3123D2 2.1 Demo EVM Schematic
TPA3123D2 2.1 Demo EVM PCB Layers...................................................................................
TPA3123D2 2.1 Demo Evaluation Module Parts List
TPA3123D2 2.1 Demo EVM Specifications
.............................................................................................................
Gain Settings
TPA3123D2 2.1 Demo EVM Bill of Materials
TPA3122D2 2.1 Audio Power Amplifier EVM Top View.....................................................................
TPA3122D2 2.1 Audio Power Amplifier EVM Bottom View.............................................................................
TPA3122D2 2.1 EVM Schematic.....................................................................................................................
TPA3122D2 2.1 EVM Top Side Layout............................................................................................................
TPA3122D2 2.1 EVM Bottom Side Layout......................................................................................
Frequency Response (Stereo Output)............................................................................................
THD +N Ratio vs. Frequency (Stereo Output)..................................................................................
THD +N Ratio vs. Power (Stereo Output)........................................................................................
Frequency Response (Subwoofer Output).......................................................................................
THD +N Ratio vs. Frequency (Subwoofer Output).............................................................................
THD +N Ratio vs. Power (Subwoofer Output)...................................................................................
Contents
Introduction
.............................................................................
..............................................................
List of Tables
..........................................................................
........................................................................

List of Figures

User's Guide
2
2
3
4
5
9
2
3
10
2
3
4
5
5
6
6
7
8
8
9

Advertisement

loading
Need help?

Need help?

Do you have a question about the TPA3123D2 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Texas Instruments TPA3123D2

Summary of Contents for Texas Instruments TPA3123D2

  • Page 1: List Of Figures

    User's Guide TPA3123D2 2.1 AUDIO POWER AMPLIFIER DEMO BOARD Contents Introduction ......................Introduction ........................ Operation ................TPA3123D2 2.1 Demo EVM Schematic TPA3123D2 2.1 Demo EVM PCB Layers………………………………………………………………………..............TPA3123D2 2.1 Demo Evaluation Module Parts List List of Tables ................TPA3123D2 2.1 Demo EVM Specifications ......................
  • Page 2 One TPA3123D2 is configured as a stereo amplifier driving the treble speakers and another TPA3123D2 is configured as a mono amplifier driving the subwoofer speaker.
  • Page 3 2.1 Quick Start List for Stand-Alone Operation Follow these steps to use the TPA3123D2 2.1 Demo EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the EVM module can be made by inserting stripped wire, or using banana plugs for the power supply and output connections.
  • Page 4 CONTROL INPUTS: SHUTDOWN: This terminal is active LOW. A LOW on the device terminal (<0.8 V) shuts down the amplifier; a HIGH (>2 V) on the device terminal places the amplifier in the active state. Holding down Switch S1 places the amplifier in the SHUTDOWN state.
  • Page 5 Figure 4:TPA3123D2 2.1 TOP SIDE LAYOUT Figure 5:TPA3123D2 2.1 BOTTOM SIDE LAYOUT...
  • Page 6 TPA3123D2 2.1EVM Performance STEREO PERFORMANCE Figure 6: Frequency Response Frequency Response Stereo Output TPA3123D2 2.1 Sweep Trace Color Line Style Thick Data Axis Comment Solid Anlr.Level A Left Cyan Solid Anlr.Level B Left Green Solid Anlr.Level B Left VCC = 24V RLOAD =4 Ohms (Both the channels) gainvsFreqstereo output.at2...
  • Page 7 Figure 8: THD vs. Power THD vs Po Stereo Output TPA3123D2 2.1 0.05 0.02 0.01 200m 500m Sweep Trace Color Line Style Thick Data Axis Comment Cyan Solid Anlr.THD+N Ratio Left Freq. =1KHz Yellow Solid Anlr.THD+N Ratio Left Freq. =1KHz...
  • Page 8 S u b - W o o f e r P e r f o r m a n c e g a i n V s . F r e q . S U B W O O F . a t 2 Figure 10: THD vs. Frequency THD vs. Freq. subwoofer TPA3123D2 2.1 0.05 0.02 0.01...
  • Page 9 Figure 11: THD vs. Power 0.05 0.02 0.01 300m 500m Sweep Trace Color Line Style Thick Data Axis Com m ent Magenta Solid Anlr.THD+N Ratio Left Freq. - 100Hz Blue Solid Anlr.THD+N Ratio Left Freq. - 200Hz VDD=24V RLOAD=8 OHMS Sub-Woofer Perform ance THD_POWER SUBWOOF.at2...
  • Page 10 TABLE 3:TPA3123D2 2.1 EVM BOM (Bill of materials)
  • Page 11 Contd…...