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TAS5622A

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125-W stereo, 250-W mono, 12- to 34-V, PWM input Class-D audio amplifier w/ thermal enhancement

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Data sheet

TAS5622A

ACTIVE
Data sheet Order now

Product details

Audio input type PWM Architecture Class-D Speaker channels (max) 4 Control interface Hardware Output power (W) 125 Power stage supply (max) (V) 34 Power stage supply (min) (V) 12 RDS(on) (Ω) 0.04 THD + N at 1 kHz (%) 0.025 Load (min) (Ω) 1.5 Analog supply voltage (min) (V) 13.2 Analog supply voltage (max) (V) 10.8 Rating Catalog Operating temperature range (°C) -40 to 125
Audio input type PWM Architecture Class-D Speaker channels (max) 4 Control interface Hardware Output power (W) 125 Power stage supply (max) (V) 34 Power stage supply (min) (V) 12 RDS(on) (Ω) 0.04 THD + N at 1 kHz (%) 0.025 Load (min) (Ω) 1.5 Analog supply voltage (min) (V) 13.2 Analog supply voltage (max) (V) 10.8 Rating Catalog Operating temperature range (°C) -40 to 125
HTSSOP (DDV) 44 113.4 mm² (14 mm × 8.1 mm)
  • PurePath HD Integrated Feedback Provides:
    • 0.025% THD at 1 W into 4 Ω
    • > 65-dB PSRR (No Input Signal)
    • > 105 dB (A weighted) SNR
  • Preclipping Output for Control of a Class-G Power
    Supply
  • Reduced Heat Sink Size Due to Use of 40mΩ
    Output MOSFET With > 90% Efficiency at Full
    Output Power
  • Output Power at 10%THD+N
    • 125-W and 4-Ω BTL Stereo Configuration
    • 250-W and 2-Ω PBTL Mono Configuration
  • Output Power at 1%THD+N
    • 105-W and 4-Ω BTL Stereo Configuration
    • 210-W and 2-Ω PBTL Mono Configuration
  • Click and Pop Free Start-up
  • Error Reporting Self-Protected Design With UVP,
    Overtemperature, and Short-Circuit Protection
  • EMI Compliant When Used With Recommended
    System Design
  • 44-Pin HTSSOP (DDV) Package for Reduced
    Board Size
  • PurePath HD Integrated Feedback Provides:
    • 0.025% THD at 1 W into 4 Ω
    • > 65-dB PSRR (No Input Signal)
    • > 105 dB (A weighted) SNR
  • Preclipping Output for Control of a Class-G Power
    Supply
  • Reduced Heat Sink Size Due to Use of 40mΩ
    Output MOSFET With > 90% Efficiency at Full
    Output Power
  • Output Power at 10%THD+N
    • 125-W and 4-Ω BTL Stereo Configuration
    • 250-W and 2-Ω PBTL Mono Configuration
  • Output Power at 1%THD+N
    • 105-W and 4-Ω BTL Stereo Configuration
    • 210-W and 2-Ω PBTL Mono Configuration
  • Click and Pop Free Start-up
  • Error Reporting Self-Protected Design With UVP,
    Overtemperature, and Short-Circuit Protection
  • EMI Compliant When Used With Recommended
    System Design
  • 44-Pin HTSSOP (DDV) Package for Reduced
    Board Size

The TAS5622A device is a thermally enhanced version of the class-D power amplifier based on the TAS5612A using large MOSFETs for improved power efficiency and a novel gate drive scheme for reduced losses in idle and at low output signals leading to reduced heat sink size.

The unique preclipping output signal can be used to control a class-G power supply. This combined with the low idle loss and high power efficiency of the TAS5622A leads to industry-leading levels of efficiency ensuring a super "green" system.

The TAS5622A uses constant voltage gain. The internally matched gain resistors ensure a high Power Supply Rejection Ratio giving an output voltage only dependent on the audio input voltage and free from any power supply artifacts.

The high integration of the TAS5622A makes the amplifier easy to use; and, using TI’s reference schematics and PCB layouts leads to fast design in time. The TAS5622A is available in the space-saving, surface-mount, 44-pin HTSSOP package.

The TAS5622A device is a thermally enhanced version of the class-D power amplifier based on the TAS5612A using large MOSFETs for improved power efficiency and a novel gate drive scheme for reduced losses in idle and at low output signals leading to reduced heat sink size.

The unique preclipping output signal can be used to control a class-G power supply. This combined with the low idle loss and high power efficiency of the TAS5622A leads to industry-leading levels of efficiency ensuring a super "green" system.

The TAS5622A uses constant voltage gain. The internally matched gain resistors ensure a high Power Supply Rejection Ratio giving an output voltage only dependent on the audio input voltage and free from any power supply artifacts.

The high integration of the TAS5622A makes the amplifier easy to use; and, using TI’s reference schematics and PCB layouts leads to fast design in time. The TAS5622A is available in the space-saving, surface-mount, 44-pin HTSSOP package.
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Next Generation High Performance, High Resolution Class-D Amplifiers (Analog-In) Available

ue Ultra-HD sound quality with a low THD+N <0.005% and a bandwidth of up to 100kHz.

For output levels up to 115W Stereo / 230W Mono: TPA3245

For output levels up to 175W Stereo / 350W Mono: TPA3251

Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TAS5622A 125-W Stereo and 250-W Stereo PurePath™ HD Digital-Input Class-D Power Stage datasheet (Rev. A) PDF | HTML Mar 31, 2015
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug 26, 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun 27, 2019
User guide TAS5622-TAS5624DDVEVM (Rev. A) May 8, 2014
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) May 1, 2013
Application note Power Rating in Audio Amplifier (Rev. A) Mar 4, 2005

Design & development

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Evaluation board

TAS5624ADDVEVM — TAS5624A and TAS5622A Evaluation Module

The TAS5622-TAS5624DDVEVM PurePath™ EVM demonstrates the most recent version of TAS5622DDV or TAS5624DDV integrated circuit power stage. TAS5622 and TAS5624 are high-performance, integrated Stereo Feedback Digital Amplifier Power Stages designed to drive 3Ω speakers at up to 165W per channel for (...)

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Simulation model

TAS5622A IBIS Model

SLAM158.ZIP (25 KB) - IBIS model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
HTSSOP (DDV) 44 Ultra Librarian
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