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SIDEGIG-XOVEREVM

Analog, Active Crossover Audio Plug-in Module

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SIDEGIG-XOVEREVM

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Overview

The TI Analog, Active Crossover Audio Plug-in Module turns TI Audio Class-D amplifier EVM’s into a high quality, two-way speaker amplifier.  The plug-in module makes it easy to remove the large and expensive passive crossover found in passive loudspeakers and create a biamped, two-way system with improved efficiency and reduced size. The board features a tunable high-pass filter, low-pass filter, baffle step, and delay to create two audio output signals for a tweeter and woofer.   There are many advantages of designing active speakers including well matched and well tuned audio.   Start with the Analog, Active Crossover Audio Plug-in Module for your next speaker design!

Features
  • Compatible with TI Audio Plug-in Module Ecosystem
  • Complete design for two-way, active crossover speakers
  • Active crossover includes a high-pass filter, low-pass filter, baffle step and delay
  • Input: Mono RCA jack
  • Output: Analog, 2-channel, 2-Vrms differential
  • Connect to TI Class-D Audio EVMs (Check compatibility)

  • Analog Crossover Plug-in Module Board
Not included
  • Class-D Amplifier Evaluation Module
AC/DC & DC/DC converters (integrated FET)
LT1054 — 3.5 V to 15 VIN, 100-mA output current switched-capacitor voltage converters with regulator

 

Audio op amps
OPA1602 — Dual, SoundPlus™ high-performance, bipolar-input audio op amp

 

Linear & low-dropout (LDO) regulators
TPS7A30 — 200-mA, low-noise, high-PSRR, negative, adjustable low-dropout voltage regulator with enable TPS7A49 — 150-mA, 36-V, low-noise, high-PSRR, adjustable low-dropout voltage regulator with enable

 

Speaker amps
TPA3244 — 60-W stereo, 120-W mono, 12- to 31.5-V supply, analog input Class-D audio amplifier, pad-down TPA3245 — 115-W stereo, 230-W mono, 12- to 31.5-V supply, analog input Class-D audio amplifier TPA3250 — 70-W stereo, 140-W mono, 12- to 38-V supply, analog input Class-D audio amplifier, pad-down TPA3251 — 175-W stereo, 350-W mono, 12- to 38-V supply, analog input Class-D Smart Audio Amplifier TPA3255 — 315-W stereo, 600-W mono, 18- to 53.5-V supply, analog input Class-D audio amplifier
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Evaluation board

SIDEGIG-XOVEREVM — Analog, Active Crossover Audio Plug-in Module

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Technical documentation

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Type Title Date
* User guide Analog Crossover Audio Plug-In Module User's Guide 11 Aug 2017
Certificate AUDIO-XOVEREVM EU Declaration of Conformity (DoC) 02 Jan 2019

Related design resources

Hardware development

EVALUATION BOARD
TPA3221EVM — TPA3221 100W Stereo/ 200W Mono HD Analog-In Class-D Amplifier Evaluation Module TPA3244EVM — TPA3244 60W Stereo / 110W Peak Ultra-HD Analog-In Audio Class-D Pad-Down Module TPA3245EVM — TPA3245 115W Stereo / 230W Mono Ultra-HD Analog-In Audio Class-D Module TPA3250D2EVM — TPA3250 70W Stereo / 130W Peak Ultra-HD Analog-In Audio Class-D Pad-Down Module TPA3251EVM — TPA3251 175W Stereo / 350W Mono Ultra-HD, Analog-In Class-D Module TPA3255EVM — TPA3255 315W Stereo / 600W Mono Ultra-HD Analog-In Audio Class-D Module

Reference designs

REFERENCE DESIGN
TIPD134 — Analog, Active Crossover Circuit for Two-Way Loudspeakers

Support & training

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