TPA3255 – 2 x 325W Stereo 600W Mono Class-D Verstärker

As an extension of the "Akita" family has Texas instruments, due to the TPA3251D2 a "big brother"-the TPA3255 (HTSSOP44). By adjusting the input voltage range on maximum 53.5V for example, a direct is operating at 10 s Pedelec battery possible. PIN compatibility allows a direct exchange systems on the basis of the TPA3251D2.

Specs are:

  • Differential analog inputs 2Vrms
  • Efficiency 90% (4 ohms)
  • 12-36V power supply
  • 2 x 325W at 4 Ohms BTL (10% THD)
  • 2 x 185W into 8 Ohms BTL (10% THD)
  • 600W at 2 ohms PBTL (10% THD)
  • 2 x 260W 4 Ohms BTL (1% THD)
  • 2 x 150W into 8 Ohms BTL (1% THD)
  • 480W at 2 ohms PBTL (1% THD)
  • Possible configurations are: Stereo (2 x BTL), Quad (4 x SE), Mono (PBTL), 2.1 Stereo Sub (2 x SE 1 x BTL)
  • 100 kHz bandwidth
  • 60dB PSRR, <60uV output noise, >111dB SNR
  • HTSSOP44

TPA3251D2 small & big

TPA3251D2 small & big

More information and details to the here.

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2 responses

  1. Daniel says:

    Is there a way to buy a TPA3255 finish amp, I really enjoy your work. Let me know please

  2. Ferdinand Echin says:

    Where to buy the TPA3251 amp? Very much interested with this stuff.

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