TPA3251 усилитель доска 175 Вт + 2 0 канальный аудио

TPA3251D2 is a high-performance class D power amplifier. Which has class D efficiency and can bring real high-end sound quality. The device features an advanced integrated feedback design and a proprietary high-speed gate driver error correction function (PUREPATH ™ Ultra HD). This technology can make the device maintain ultra-low distortion in the whole audio frequency band and show perfect sound quality at the same time.

Features:

1. Adopt TPA3251D2

2. The main filter electrolytic capacitor adopts imported famous brand capacity 330UF/100V x 4 to ensure strong and continuous power support.

3. The resistors are high-precision chip resistors to ensure a good signal-to-noise ratio of the whole machine.

4. Use special inductance for audio to ensure the sound is clear and powerful.

5. PCB adopts 1.6mm thick double-sided board, 2.0 oz copper thickness, and full tinning process to ensure good passing performance of large and small currents.

Basic performance parameters

The total output power when the total harmonic distortion + noise (THD + N) is 10%

- 175W /4Ω, Bridge Tied Load (BTL) stereo configuration

- 220W /3Ω, bridge connected load (BTL) stereo configuration

- 350W /2Ω, Parallel Bridge Load (PBTL) mono configuration

Total output power when THD + N is 1%

- 140W /4Ω, BTL stereo configuration

<li> 175W /3Ω, BTL stereo configuration

- 285W /2Ω, PBTL mono configuration

Adopt advanced integrated feedback design with high-speed gate driver error correction function

(PurePath Ultra HD)

- Single broadband up to 100kHz for high-frequency components of high-definition (HD) sources

- Ultra-low THD + N: 0.005% at 1W /4Ω; <0.01% at clipping

- 60dB power supply rejection ratio (PSRR) (BTL, no input signal)

- <60μV (A weighted) output noise

- >111dB (A-weighted) signal-to-noise ratio (SNR)

Working voltage: DC24-36V switching power supply (DC)

PCB size: 103*78MM