Produktdetails

Audio input type Analog Input Architecture Class-D Speaker channels (max) 4 Rating Catalog Power stage supply (max) (V) 30 Power stage supply (min) (V) 12 Load (min) (Ω) 1.5 Output power (W) 100 SNR (dB) 110 THD + N at 1 kHz (%) 0.005 Iq (typ) (mA) 15 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 10.8 Analog supply voltage (max) (V) 13.2 PSRR (dB) 60 Operating temperature range (°C) 0 to 70
Audio input type Analog Input Architecture Class-D Speaker channels (max) 4 Rating Catalog Power stage supply (max) (V) 30 Power stage supply (min) (V) 12 Load (min) (Ω) 1.5 Output power (W) 100 SNR (dB) 110 THD + N at 1 kHz (%) 0.005 Iq (typ) (mA) 15 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 10.8 Analog supply voltage (max) (V) 13.2 PSRR (dB) 60 Operating temperature range (°C) 0 to 70
HTSSOP (DDW) 44 113.4 mm² 14 x 8.1
  • Differential Analog Inputs
  • Total Output Power at 10%THD+N
    • 60-W Stereo Continuous into 8 Ω in BTL Configuration at 30 V
    • 110-W Stereo Peak into 4 Ω in BTL Configuration at 30 V
  • Total Output Power at 1%THD+N
    • 50-W Stereo Continuous into 8 Ω in BTL Configuration at 30 V
    • 90-W Stereo Peak into 4 Ω in BTL Configuration at 30 V
  • Advanced Integrated Feedback Design with High-speed Gate Driver Error Correction
    (PurePath™ Ultra-HD)
    • Signal Bandwidth up to 100 kHz for High Frequency Content From HD Sources
    • Ultra Low 0.005% THD+N at 1 W into 4 Ω and <0.01% THD+N to Clipping
    • 60 dB PSRR (BTL, No Input Signal)
    • <55 µV (A-Weighted) Output Noise
    • >110 dB (A Weighted) SNR
  • Multiple Configurations Possible:
    • Stereo, Mono, 2.1 and 4xSE
  • Click and Pop Free Startup and Stop
  • 94% Efficient Class-D Operation (8 Ω)
  • Wide 12-V to 30-V Supply Voltage Operation
  • Self-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short Circuit Protection) With Error Reporting
  • EMI Compliant When Used With Recommended System Design
  • Differential Analog Inputs
  • Total Output Power at 10%THD+N
    • 60-W Stereo Continuous into 8 Ω in BTL Configuration at 30 V
    • 110-W Stereo Peak into 4 Ω in BTL Configuration at 30 V
  • Total Output Power at 1%THD+N
    • 50-W Stereo Continuous into 8 Ω in BTL Configuration at 30 V
    • 90-W Stereo Peak into 4 Ω in BTL Configuration at 30 V
  • Advanced Integrated Feedback Design with High-speed Gate Driver Error Correction
    (PurePath™ Ultra-HD)
    • Signal Bandwidth up to 100 kHz for High Frequency Content From HD Sources
    • Ultra Low 0.005% THD+N at 1 W into 4 Ω and <0.01% THD+N to Clipping
    • 60 dB PSRR (BTL, No Input Signal)
    • <55 µV (A-Weighted) Output Noise
    • >110 dB (A Weighted) SNR
  • Multiple Configurations Possible:
    • Stereo, Mono, 2.1 and 4xSE
  • Click and Pop Free Startup and Stop
  • 94% Efficient Class-D Operation (8 Ω)
  • Wide 12-V to 30-V Supply Voltage Operation
  • Self-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short Circuit Protection) With Error Reporting
  • EMI Compliant When Used With Recommended System Design

The TPA3244 device 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. With a 30-V power supply the device can drive up to 2 x 110 W peak into 4-Ω load and 2 x 60 W continuous into 8-Ω load and features a 2-VRMS analog input interface that works seamlessly with high performance DACs such as Burr-Brown PCM52xx DAC Family from TI (that is, PCM5242 / PCM5252). In addition to excellent audio performance, TPA3244 achieves both high power efficiency and very low power stage idle losses below 0.45 W. This is achieved through the use of 65 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.

The TPA3244 device 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. With a 30-V power supply the device can drive up to 2 x 110 W peak into 4-Ω load and 2 x 60 W continuous into 8-Ω load and features a 2-VRMS analog input interface that works seamlessly with high performance DACs such as Burr-Brown PCM52xx DAC Family from TI (that is, PCM5242 / PCM5252). In addition to excellent audio performance, TPA3244 achieves both high power efficiency and very low power stage idle losses below 0.45 W. This is achieved through the use of 65 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPA3244 60-W Stereo, 110-W peak PurePath™ Ultra-HD Pad Down Class-D Amplifier datasheet (Rev. A) PDF | HTML 17 Nov 2016
Application note TPA324x and TPA325x Post-Filter Feedback (Rev. A) 07 Mär 2018
More literature High-Power Audio Amplifiers TPA322x/4x/5x 01 Dez 2017
Application note Multi-Device Configuration for TPA32xx Amplifiers 27 Sep 2017
More literature TI Automotive External Amplifiers (Rev. A) 03 Feb 2017
More literature TI Powered Speakers (Rev. A) 31 Jan 2017
Application note Class-D Amplifier External Load Diagnostics 23 Jan 2017
Application note LC Filter Design (Rev. A) 09 Nov 2016
EVM User's guide TPA3244 Evaluation Module User's Guide 09 Nov 2016
User guide TPA3244EVM Quick Start Guide 25 Okt 2016
Application note TPA32xx Analog Input Grounding for Single Ended Inputs PDF | HTML 26 Aug 2016
More literature High-Power Audio Amplifiers 14 Jul 2016

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