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TAS3251 Audio Amplifier
Texas Instruments' 175 W stereo, 350 W mono, ultra-HD amplifier features advanced digital signal processing (DSP)
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 Burr-Brown™ digital-to-analog converter (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's 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. This device operates in AD-mode and can drive up to 2 x 175 W into a 4 Ω load and 2 x 220 W into a 3 Ω load.
- Flexible audio inputs:
- I2S, time division multiplexing (TDM), left- and right-justified
- Total output power at 1% and 10% total harmonic distortion plus noise (THD+N):
- Supports bridge-tied load (BTL) and mono, parallel bridge-tied load (PBTL) output configurations
- Wide 12 V to 36 V supply voltage operation
- Fixed function processing function:
- SmartEQ, crossover equalizer (EQ), dynamic EQ, SmartBass, and more
- Advanced integrated closed-loop design:
- Ultra-low 0.01% THD+N at 1 W into 4 Ω
- < 0.01% THD+N to clipping
- Control features:
- I2C software mode control
- Address select pin
- Integrated protection with error reporting: undervoltage, cycle-by-cycle current limit, short circuit, clipping detection, overtemperature warning and shutdown, and direct current (DC) speaker protection
- 90% efficient Class-D operation: 4 Ω
- Bookshelf stereo systems
- Professional and public address (PA) systems
- Active crossover and two-way speakers
- Bluetooth® and Wi-Fi speakers
- Soundbars
- Subwoofers
TAS3251 Audio Amplifier
| Image | Manufacturer Part Number | Description | Output Type | Max Output Power x Channels @ Load | Voltage - Supply | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
 |  | TAS3251DKQ | IC AMP D MONO/STER 350W 56HSSOP | 1-Channel (Mono) or 2-Channel (Stereo) | 350W x 1 @ 2Ohm; 220W x 1 @ 3Ohm; 175W x 1 @ 4Ohm | 12V ~ 38V | 0 - Immediate | $58.90 | View Details |
Evaluation Board
| Image | Manufacturer Part Number | Description | Output Type | Max Output Power x Channels @ Load | Utilized IC / Part | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
|  | TAS3251EVM | EVAL BOARD FOR TAS3251 | 2-Channel (Stereo) | - | TAS3251 | 1 - Immediate | $2,953.64 | View Details |
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