Class-D LC Filter Designer
LCFILTER-CALC-TOOL
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

Description & Features

Technical documentation

Support & Training

Order Now



Description

Calculate and design audio Class-D LC filters in minutes using the Class-D LC Filter Designer.  Select from 4 different filter types based on Class-D output, switching topology and performance.  Input corner frequency and quality (Q) factor to fine tune the audio frequency response.  Finally, verify the selected LC components with multiple speaker loads using the frequency response graph and Q-factor calculations.  The Class-D LC Filter Designer is the perfect quick and easy tool to get started on your next Class-D audio design!

Features
  • Calculate LC filter inductor and capacitor values quickly
  • Select from 4 different Class-D filter types
  • Tune frequency response with corner frequency and quality factor (Q) inputs
  • Verify and graph filter response with multiple speaker loads

Order Now
Part Number Buy from Texas Instruments or Third Party Status

LCFILTER-CALC-TOOL:
Class-D LC Filter Designer

Free



ACTIVE
Technical documentation
Application notes (1)
Title Type Size (KB) Date
PDF 1559 09 Nov 2016
Design files (2)
Title Type Size (KB) Date
ZIP 167 22 Nov 2016
ZIP 280 23 Sep 2016

Hardware development (7)

TI Devices (8)

Part Number Name Product Family
TAS3251  175-W stereo, 350-W mono, 12- to 38-V supply, digital input Class-D Smart Audio Amplifier  Audio amplifiers 
TAS5634  300-W stereo, 600-W mono, 12- to 62-V supply, PWM input Class-D audio amplifier  Audio amplifiers 
TPA3221  100-W stereo, 200-W mono, 7- to 32-V supply, analog input Class-D audio amplifier w/ low idle  Audio amplifiers 
TPA3244  60-W stereo, 120-W mono, 12- to 31.5-V supply, analog input Class-D audio amplifier, pad-down  Audio amplifiers 
TPA3245  115-W stereo, 230-W mono, 12- to 31.5-V supply, analog input Class-D audio amplifier  Audio amplifiers 
TPA3250  70-W stereo, 140-W mono, 12- to 38-V supply, analog input Class-D audio amplifier, pad-down  Audio amplifiers 
TPA3251  175-W stereo, 350-W mono, 12- to 38-V supply, analog input Class-D Smart Audio Amplifier  Audio amplifiers 
TPA3255  315-W stereo, 600-W mono, 18- to 53.5-V supply, analog input Class-D audio amplifier  Audio amplifiers 

Support & training

Search our extensive online knowledge base where millions of technical questions and answers are available 24/7.

Search answers from TI experts

Content is provided 'AS IS' by the respective TI and Community contributors and does not constitute TI specifications.
See terms of use.

If you have questions about quality, packaging, or ordering TI products visit our Support page.

Technical articles