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TPA3251-3CH-200W

 

TPA3251 3ch

PurePath™ Ultra-HD

Class D Audio Amplifier

 





Overview

EAUMT-0100-3-A is a 3 channel (BTL/PBTL) high quality class D audio amplifier module base on TPA3251 with customized design and mainly suit for both consumer and professional project.
TPA3251 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high speed gate driver error correction (PurePath™ Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality. The device can drive up to 2 x 135 W into 4-Ω load and 1 x 235 W into 2-Ω load.
In addition to excellent audio performance, TPA3251 achieves both high power efficiency and very low power stage idle losses below 1 W. This is achieved through the use of 60 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.
With improved design to obtain highest performance and lowest noise and distortion, this module provide an excellent audio solution that highly compact and efficiency with state-of-the-art performance.

 

Key Features

  • < 65uV Output Noise (AES17,A-weighted)
  • 100W @ 1% THD+N, 1kHz, 4Ω, CH1&2
  • 200W @ 1% THD+N, 1kHz, 2Ω, CH3
  • 135W @ 10% THD+N, 1kHz, 4Ω, CH1&2
  • 235W @ 10% THD+N, 1kHz, 4Ω, CH3
  • 111dBA dynamic range
  • THD+N < 0.01%, 0.3W – 85W, 4Ω
  • 90% Efficient Class-D Operation (4 Ω)
  • Fully differential layout design for lowest noise and distortion
  • Very Compact size(105mm*100mm*36.5mm – L*W*H)
  • Additional power ON/OFF reset circuit for Pop noise suppression
  • BTL configuration only for best audio performance
  • AUX Power Supply Output(12V/0.2A) for DSP Pre Amplifier
  • Single supply voltage range 24V~30V(UVP:24V)

 

Applications

  • Active Loudspeakers and Power Subwoofers
  • Installation audio products
  • High-end stereo and multi-channel amplifiers
  • Bluetooth & Wi-Fi Audio Product
  • Sound bars, Docking, Radios
  • Home Theater System & AVR’s

 

Download

 

TPA3251-4CH-100W

 

TPA3251 4ch

PurePath™ Ultra-HD

Class D Audio Amplifier

 





Overview

EAUMT-0100-4-A is a 4 channel (BTL) high quality class D audio amplifier module base on TPA3251 with customized design and mainly suit for both consumer and professional project.
TPA3251 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high speed gate driver error correction (PurePath™ Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality. The device can drive up to 2 x 135 W into 4-Ω load and 2 x 175 W into 3-Ω load.
In addition to excellent audio performance, TPA3251 achieves both high power efficiency and very low power stage idle losses below 1 W. This is achieved through the use of 60 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.
With improved design to obtain highest performance and lowest noise and distortion, this module provide an excellent audio solution that highly compact and efficiency with state-of-the-art performance.

 

Key Features

  • < 65uV Output Noise (AES17,A-weighted)
  • 100W @ 1% THD+N, 1kHz, 4Ω
  • 135W @ 10% THD+N, 1kHz, 4Ω
  • 111dBA dynamic range
  • THD+N < 0.01%, 0.3W – 85W, 4Ω
  • 90% Efficient Class-D Operation (4 Ω)
  • Fully differential layout design for lowest noise and distortion
  • Very Compact size(105mm*100mm*36.5mm – L*W*H)
  • Additional power ON/OFF reset circuit for Pop noise suppression
  • BTL configuration only for best audio performance
  • AUX Power Supply Output(12V/0.2A) for DSP Pre Amplifier
  • Single supply voltage range 24V~30V(UVP:24V)

 

Applications

  • Active Loudspeakers and Power Subwoofers
  • Installation audio products
  • High-end stereo and multi-channel amplifiers
  • Bluetooth & Wi-Fi Audio Product
  • Sound bars, Docking, Radios
  • Home Theater System & AVR’s

 

Download

 

TPA3255-1CH-480W

 

TPA3255 1ch

PurePath™ Ultra-HD

Class D Audio Amplifier

 





Overview

EAUMT-0480-1-A is a 1 channel (PBTL) high quality class D audio amplifier module base on TPA3255 with customized design and mainly suit for both consumer and professional project.
TPA3255 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high speed gate driver error correction (PurePath™ Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality. The device can drive up to 1 x 600 W into 2-Ω load at 10% THD and 1 x 480W into 2-Ω load at 1% THD.
In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5 W. This is achieved through the use of 85 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.
With improved design to obtain highest performance and lowest noise and distortion, this module provide an excellent audio solution that highly compact and efficiency with state-of-the-art performance.

 

Key Features

  • < 85uV Output Noise (AES17,A-weighted)
  • 480W @ 1% THD+N, 1kHz, 2Ω
  • 600W @ 10% THD+N, 1kHz, 2Ω
  • 111dBA dynamic range
  • THD+N < 0.01%, 0.3W – 300W, 3Ω
  • 90% Efficient Class-D Operation (4 Ω)
  • Fully differential layout design for lowest noise and distortion
  • Very Compact size(105mm*90mm*38.5mm – L*W*H)
  • Additional power ON/OFF reset circuit for Pop noise suppression
  • BTL configuration only for best audio performance
  • AUX Power Supply Output(12V/0.2A) for DSP Pre Amplifier
  • Single supply voltage range 24V~51V(UVP:24V)

 

Applications

  • Active Loudspeakers and Power Subwoofers
  • Installation audio products
  • High-end stereo and multi-channel amplifiers
  • Bluetooth & Wi-Fi Audio Product
  • Sound bars, Docking, Radios
  • Home Theater System & AVR’s

 

Download

TPA3250-2CH-50W

 

TPA3250 2ch

PurePath™ Ultra-HD

Class D Audio Amplifier

 





Overview

  • EAUMT-0050-2-A is a 2 channel class D amplifier module base on TPA3250EVM with customized design and mainly suit for both consumer and professional DIY project.
  • To obtain lower noise and lower THD+N, We successful achieved by improved design on low noise analog front end, PCB layout and also components selection.
  • This module had been tested and verified, please refer to Test Report for detail.

Key Features

  • Enhanced design with very low output noise (85uV/A-weighted) and lower THD+N (0.0025%/10W/8ohm)
  • Fully differential layout design for better noise cancellation
  • Smaller and Compact size(85mm*60mm*13mm – L*W*H)
  • Additional power ON/OFF reset circuit for Pop noise suppression
  • BTL configuration only for best audio performance
  • Single supply voltage range 18V~32 V(UVP:18V)

Board Setup

  • Below show the detail setup of this Amplifier Board,including 2 Power supply connectors that easier and one more option for user in their DIY assembly.
  • OUT-A ~ OUT-D are the audio output of amplifier for you speaker connection.
  • INA ~ IND are the audio input(Single-end or Differential) from your Pre-Amplifier or other devices.
  • 3V3 LED and warming LED are status indicator for board operation.

 



Appendix Picture



  • Full assembly board

 

  • Output noise level (A-weighted)

 

  • THD+N vs frequency (20W/4ohm)

 

  • THD+N vs output power

TPA3255-2CH-260W

 

TPA3255 2ch

PurePath™ Ultra-HD

Class D Audio Amplifier

 





Overview

EAUMT-0260-2-A is a 2 channel (BTL) high quality class D audio amplifier module base on TPA3255 with customized design and mainly suit for both consumer and professional project.
TPA3255 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high speed gate driver error correction (PurePath™ Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality. The device can drive up to 2 x 315 W into 4-Ω load at 10% THD and 2 x 150W unclipped into 8-Ω load.
In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5 W. This is achieved through the use of 85 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.
With improved design to obtain highest performance and lowest noise and distortion, this module provide an excellent audio solution that highly compact and efficiency with state-of-the-art performance.

 

Key Features

  • < 85uV Output Noise (AES17,A-weighted)
  • 260W @ 1% THD+N, 1kHz, 4Ω
  • 315W @ 10% THD+N, 1kHz, 4Ω
  • 111dBA dynamic range
  • THD+N < 0.01%, 0.3W – 200W, 4Ω
  • 90% Efficient Class-D Operation (4 Ω)
  • Fully differential layout design for lowest noise and distortion
  • Very Compact size(105mm*90mm*38.5mm – L*W*H)
  • Additional power ON/OFF reset circuit for Pop noise suppression
  • BTL configuration only for best audio performance
  • AUX Power Supply Output(12V/0.2A) for DSP Pre Amplifier
  • Single supply voltage range 24V~51V(UVP:24V)

 

Applications

  • Active Loudspeakers and Power Subwoofers
  • Installation audio products
  • High-end stereo and multi-channel amplifiers
  • Bluetooth & Wi-Fi Audio Product
  • Sound bars, Docking, Radios
  • Home Theater System & AVR’s

 

Download

ADAU1701-2In4Out

 

ADAU1701

Audio DSP Board

With Bluetooth Plugin





Overview

EDSP-1701-24-A is a 2 channel in 4 channel out DSP pre-amplifier module base on ADAU1701 Sigma DSP with customized design and mainly suit for both consumer and professional project.
The ADAU1701 is a complete single-chip audio system with a 28-/56-bit audio DSP, ADCs, DACs, and microcontroller-like control interfaces. Signal processing includes equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening. This processing can be used to compensate for real-world limitations of speakers, amplifiers, and listening environments, providing dramatic improvements in perceived audio quality.
With improved and customized design to obtain highest performance and lowest cost, this module provide an excellent audio solution that highly compact and efficiency into the audio product design.

Key Features

  • < 25uV Output Noise (AES17,A-weighted)
  • >3Vrms @ 1% THD+N (Balance Output)
  • 102dBA dynamic range
  • Support both Analog input and digital I2S input/output
  • Very Compact size(100mm*55mm*20mm – L*W*H)
  • Balance output for best matching TPA32xx series amplifier module
  • Selectable Power supply input (TPA32xx module AUX VCC or Micro USB)
  • Bluetooth plug-in option for wireless audio streaming
  • On board USBi connector for online design with sigma-studio
  • On board Potentiometer for basic audio tuning(Bass,Treble,Volume,etc)

Applications

  • Multimedia speaker systems
  • MP3 player speaker docks
  • Automotive head units
  • Minicomponent stereos
  • Digital televisions
  • Studio monitors
  • Speaker crossovers
  • Musical instrument effects processors
  • In-seat sound systems (aircraft/motor coaches)

Download

TPA3251-2CH-140W

 

TPA3251 2ch

PurePath™ Ultra-HD

Class D Audio Amplifier

 





Overview

EAUMT-0140-2-A is a 2 channel (BTL) high quality class D audio amplifier module base on TPA3251 with customized design and mainly suit for both consumer and professional project.
TPA3251 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high speed gate driver error correction (PurePath™ Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality. The device can drive up to 2 x 175 W into 4-Ω load and 2 x 220 W into 3-Ω load.
In addition to excellent audio performance, TPA3251 achieves both high power efficiency and very low power stage idle losses below 1 W. This is achieved through the use of 60 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.
With improved design to obtain highest performance and lowest noise and distortion, this module provide an excellent audio solution that highly compact and efficiency with state-of-the-art performance.

 

Key Features

  • < 65uV Output Noise (AES17,A-weighted)
  • 140W @ 1% THD+N, 1kHz, 4Ω
  • 175W @ 10% THD+N, 1kHz, 4Ω
  • 111dBA dynamic range
  • THD+N < 0.01%, 0.3W – 125W, 4Ω
  • 90% Efficient Class-D Operation (4 Ω)
  • Fully differential layout design for lowest noise and distortion
  • Very Compact size(105mm*90mm*38.5mm – L*W*H)
  • Additional power ON/OFF reset circuit for Pop noise suppression
  • BTL configuration only for best audio performance
  • AUX Power Supply Output(12V/0.2A) for DSP Pre Amplifier
  • Single supply voltage range 24V~36V(UVP:24V)

 

Applications

  • Active Loudspeakers and Power Subwoofers
  • Installation audio products
  • High-end stereo and multi-channel amplifiers
  • Bluetooth & Wi-Fi Audio Product
  • Sound bars, Docking, Radios
  • Home Theater System & AVR’s

 

Download

ICE2QS03G-200W-36V

 

ICE2QS03G

200W-36V

Quasi-Resonant Power Supply

 





Overview

  • EAPST-0200-2-A is a Quasi-Resonant Flyback Switch Mode Power Supply module with high efficiency, low noise specifically design for 100W – 300W class D audio amplifier system.
  • By using State-of-the-art Quasi Resonance current mode flyback controller and CoolMOS FET analog with innovative protection features for superior safety and reliability in operation, the result is getting a cost effective design.

Key Features

  • Infineon QR+CoolMOS solution: ICE2QS03G+SPA11N80C3
  • Cycle by cylce peak current limitation
  • Higher efficiency,Low noise and Low standby power
  • Compact size(105mm*100mm*35mm – L*W*H)
  • Additional AUX VCC(12V/0.5A,typically) for extended design

Board Setup

  • Below show the detail setup of this SMPS Board,including high voltage side(Primary/Left side) and Low voltage side(Secondary/Right side).
  • AC IN is the AC high voltage input(100V~220V) from AC line socket.
  • PVDD is the main output for power amplifier board.
  • AUX VCC is the auxiliary output for other application like pre-amplifier,DSP,etc.



Appendix Picture



  • Full assembly board

 

  • Top side

 

  • Safety Precautions,please understand the requirement before starting assembly