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150W Stereo/300W Mono PurePath HD Digital-Input Power Stage


Package | PIN: DDV | 44
Temp: C (0 to 70)
Carrier: Cut Tape
Qty Price
1-9 $8.58
10-24 $7.72
25-99 $7.21
100-249 $6.46
250-499 $6.03
500-749 $5.25
750-999 $4.54
1000+ $4.45


  • 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 40-mΩ Output MOSFET With > 90% Efficiency at Full Output Power
  • Output Power at 10% THD+N
    • 150-W and 4-Ω BTL Stereo Configuration
    • 300-W and 2-Ω PBTL Mono Configuration
  • Output Power at 10% THD+N
    • 125-W and 4-Ω BTL Stereo Configuration
    • 250-W and 2-Ω PBTL Mono Configuration
  • Click-Free 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

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Texas Instruments  TAS5624ADDVR

The TAS5624A device is a thermally-enhanced version of the class-D power amplifier based on the TAS5614A 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 TAS5624A leads to industry leading levels of efficiency ensuring a super system.

The TAS5624A 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 TAS5624A makes the amplifier easy to use; and, using TI’s reference schematics and PCB layouts leads to fast design in time. The TAS5624A is available in the space-saving, surface-mount 44-pin HTSSOP package.