Overview
The Texas Instruments TPA3255TDDVRQ1 is a high-performance Class-D power amplifier designed to deliver premium sound quality with high efficiency. This device features an advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath™ Ultra-HD), enabling ultra-low distortion across the audio band and superior audio quality. It operates in AD-mode and can drive significant power outputs, making it suitable for a variety of high-end audio applications. The TPA3255TDDVRQ1 also achieves high power efficiency and low power stage idle losses, enhancing its overall performance and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 44-HTSSOP (DDV) |
| Operating Temperature Range | -40°C to 105°C |
| Supply Voltage Range | 18V to 53.5V |
| Total Output Power at 10% THD+N | 315W stereo into 4Ω, 180W stereo into 8Ω, 600W mono into 2Ω |
| Total Output Power at 1% THD+N | 255W stereo into 4Ω, 150W stereo into 8Ω, 495W mono into 2Ω |
| THD+N at 1W into 4Ω | 0.006% |
| PSRR (BTL, 1kHz, no input signal) | >65 dB |
| Output Noise (A-weighted) | <85 µV |
| SNR (A-weighted) | >111 dB |
| MOSFET Resistance | 85mΩ |
| Power Stage Idle Losses | <2.5W |
Key Features
- Differential analog inputs
- Advanced integrated feedback design with high-speed gate driver error correction (PurePath™ Ultra-HD)
- Signal bandwidth up to 100kHz for high-frequency content from HD sources
- Ultra-low distortion and high SNR
- Multiple configurations possible: stereo, mono, 2.1, and 4xSE
- Click and pop free startup and stop
- 90% efficient Class-D operation (4Ω)
- Wide supply voltage operation range
- Self-protection design including undervoltage, overtemperature, clipping, and short circuit protection with error reporting
- AEC-Q100 qualified for automotive applications
Applications
- Blu-Ray Disc™ / DVD receivers
- High-end HTiB systems
- AV receivers
- High-end soundbar
- Mini combo systems
- Active speakers and subwoofers
Q & A
- What is the TPA3255TDDVRQ1? The TPA3255TDDVRQ1 is a high-performance Class-D power amplifier from Texas Instruments.
- What are the key features of the TPA3255TDDVRQ1? It includes differential analog inputs, advanced integrated feedback design, ultra-low distortion, and multiple configuration options.
- What are the output power capabilities of the TPA3255TDDVRQ1? It can drive up to 315W stereo into 4Ω, 180W stereo into 8Ω, and 600W mono into 2Ω at 10% THD+N.
- What is the operating temperature range of the TPA3255TDDVRQ1? The operating temperature range is -40°C to 105°C.
- Is the TPA3255TDDVRQ1 suitable for automotive applications? Yes, it is AEC-Q100 qualified for automotive applications.
- What is the supply voltage range for the TPA3255TDDVRQ1? The supply voltage range is 18V to 53.5V.
- What is the THD+N at 1W into 4Ω for the TPA3255TDDVRQ1? The THD+N at 1W into 4Ω is 0.006%.
- Does the TPA3255TDDVRQ1 have self-protection features? Yes, it includes undervoltage, overtemperature, clipping, and short circuit protection with error reporting.
- What are some common applications for the TPA3255TDDVRQ1? Common applications include Blu-Ray Disc™ / DVD receivers, high-end HTiB systems, AV receivers, high-end soundbars, mini combo systems, and active speakers and subwoofers.
- What is the package type for the TPA3255TDDVRQ1? The package type is 44-HTSSOP (DDV).
