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TAS3251
- Flexible Audio Inputs
- I2S, TDM, Left-Justified, Right-Justified
- 32 kHz, 44.1 kHz, 48 kHz, 96 kHz
- Supports 3-Wire Digital Input (No MCLK)
- Total Output Power at 10% THD+N
- 175-W Stereo into 4 Ω in BTL Configuration
- 220-W Stereo into 3 Ω in BTL Configuration
- 350-W Mono into 2 Ω in PBTL Configuration
- Total Output Power at 1% THD+N
- 140-W Stereo into 4 Ω in BTL Configuration
- 175-W Stereo into 3 Ω in BTL Configuration
- 285-W Mono into 2 Ω in PBTL Configuration
- Advanced Integrated Closed-Loop Design
- Ultra Low 0.01% THD+N at 1 W Into 4 Ω
- <0.01% THD+N to Clipping
- 60 dB PSRR (BTL, No Input Signal)
- <95 µV Output Noise (A-Weighted)
- >108 dB SNR (A-Weighted)
- Fixed-Function Processing Features
- SmartEQ (Up To 15x BiQuads Per Channel)
- Crossover EQ (2x 5 BiQuads)
- 3-Band Advanced DRC + AGL
- Dynamic EQ and SmartBass
- Sample Rate Conversion
- Control Features
- I2C Software Mode Control
- Address Select Pin
- 90% Efficient Class-D Operation (4 Ω)
- Wide 12-V to 36-V Supply Voltage Operation
- Integrated Protection with Error Reporting: Undervoltage, Cycle-by-cycle Current Limit, Short Circuit, Clipping detection, Overtemperature Warning and Shutdown and DC Speaker Protection
TAS3251 is a digital-input, high-performance Class-D audio amplifier that enables true premium sound quality with Class-D efficiency. The digital front-end features a high-performance Burr-Brown™ DAC with integrated DSP for advanced audio processing, including SmartAmp and SmartEQ. The first high-power single-chip solution reduces overall system solution size and cost. The DSP is supported by TI PurePath™ Console Graphical tuning software for quick and easy speaker tuning and control. The Class-D power stage features advanced integrated feedback and proprietary high-speed gate drive error correction for ultra-low distortion and noise across the audio band. The device operates in AD-mode and can drive up to 2 x 175 W into 4 Ω load and 2 x 220 W into 3 Ω load.
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檢視所有 5 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TAS3251 175-W Stereo, 350-W Mono Ultra-HD Digital-Input Class-D Amplifier with Advanced DSP Processing datasheet (Rev. B) | PDF | HTML | 2020年 5月 28日 |
| Application note | Power Amplifiers for Constant Voltage Audio Systems | PDF | HTML | 2022年 9月 6日 | |
| Technical article | How smart amps are bringing high-fidelity audio into the smart home | PDF | HTML | 2021年 5月 3日 | |
| Application note | TAS3251 process flows (Rev. A) | 2019年 1月 22日 | ||
| User guide | TAS3251 Evaluation Module (Rev. B) | 2019年 1月 10日 |
設計與開發
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開發板
TAS3251EVM — TAS3251 175W 立體聲道 / 350W 單聲道 Ultra-HD 數位輸入 D 類評估模組
The TAS3251 Ultra-HD audio evaluation module demonstrates the TAS3251 integrated circuit from Texas Instruments. TAS3251 is a digital-input, high-performance Class-D audio amplifier that enables true premium sound quality with Class-D efficiency. The digital front-end features a high-performance (...)
使用指南: PDF
計算工具
LCFILTER-CALC-TOOL — Class-D LC Filter Designer
Calculate and design audio Class-D LC filters in minutes using the Class-D LC Filter Designer. Select from 4 different filter types based on Class-D output, switching topology and performance. Input corner frequency and quality (Q) factor to fine tune the audio frequency (...)
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PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HSSOP (DKQ) | 56 | Ultra Librarian |
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