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音訊放大器
喇叭、電視與條型音箱音訊放大器

TAS5825P

現行

4.5V 至 26.4V H 類控制數位輸入 D 類音訊放大器，具有超低閒置和卓越效率

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產品規格表

TAS5825P

現行
產品規格表 立即訂購

產品詳細資料

Audio input type Digital Input Architecture Class-D, Smart Amp Speaker channels (max) Stereo Control interface Software Output power (W) 38 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 RDS(on) (Ω) 0.09 THD + N at 1 kHz (%) 0.02 Load (min) (Ω) 4 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 26.4 Rating Catalog Operating temperature range (°C) -25 to 85
Audio input type Digital Input Architecture Class-D, Smart Amp Speaker channels (max) Stereo Control interface Software Output power (W) 38 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 RDS(on) (Ω) 0.09 THD + N at 1 kHz (%) 0.02 Load (min) (Ω) 4 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 26.4 Rating Catalog Operating temperature range (°C) -25 to 85
VQFN (RHB) 32 25 mm² (5 mm × 5 mm)
  • High-efficiency Class-D operation with Hybrid-Pro:
    • Approximately 50% longer battery life compared to fixed supply voltage solutions
    • > 90% Power efficiency, 90 mΩ RDS(on)
    • Low quiescent current, < 20 mA at 12 V PVDD
  • Supports multiple output configurations:
    • 1 × 53 W, 1.0 Mode (4-Ω, 22 V, THD+N=1%)
    • 1 × 65 W, 1.0 Mode (4-Ω, 22 V, THD+N=10%)
    • 2 × 30 W, 2.0 Mode (8-Ω, 24 V, THD+N=1%)
    • 2 × 38 W, 2.0 Mode (8-Ω, 24 V, THD+N=10%)
  • Excellent audio performance:
    • THD+N ≤ 0.03% at 1 W, 1 kHz, PVDD = 12 V
    • SNR ≥ 110 dB (A-weighted), ICN ≤ 35 µVRMS
  • Flexible audio I/O:
    • Supports 32, 44.1, 48, 88.2, 96 kHz SR
    • Supports I2S, LJ, RJ, TDM format
    • Supports 3-wire digital audio interface
  • Flexible processing features:
    • 3-Band advanced DRC + AGL, 2 × 15 BQs
    • PVDD sensing to avoid clipping distortion while voltage rail drops
    • Up to 4 ms lookahead delay buffer for Hybrid-Pro algorithm audio signal tracking
    • Optional 8 or 16 Hybrid-Pro DC-DC control steps with max 10 ms peak sample hold
  • Flexible power supply configurations:
    • PVDD: 4.5 V to 26.4 V
    • DVDD and I/O: 1.8 V or 3.3 V
  • Excellent integrated self-protection:
    • Over-current error (OCE)
    • Cycle-by-cycle current limit
    • Over-temperature warning (OTW)
    • Over-temperature error (OTE)
    • Under, over-voltage lock-out (UVLO, OVLO)
  • Easy system integration:
    • I2C Software Control
    • Reduced solution size:
      • Small 5 × 5 mm package
      • Fewer passives required compared to open-loop Class-D devices
      • No bulky electrolytic capacitors or large inductors required for most applications
  • High-efficiency Class-D operation with Hybrid-Pro:
    • Approximately 50% longer battery life compared to fixed supply voltage solutions
    • > 90% Power efficiency, 90 mΩ RDS(on)
    • Low quiescent current, < 20 mA at 12 V PVDD
  • Supports multiple output configurations:
    • 1 × 53 W, 1.0 Mode (4-Ω, 22 V, THD+N=1%)
    • 1 × 65 W, 1.0 Mode (4-Ω, 22 V, THD+N=10%)
    • 2 × 30 W, 2.0 Mode (8-Ω, 24 V, THD+N=1%)
    • 2 × 38 W, 2.0 Mode (8-Ω, 24 V, THD+N=10%)
  • Excellent audio performance:
    • THD+N ≤ 0.03% at 1 W, 1 kHz, PVDD = 12 V
    • SNR ≥ 110 dB (A-weighted), ICN ≤ 35 µVRMS
  • Flexible audio I/O:
    • Supports 32, 44.1, 48, 88.2, 96 kHz SR
    • Supports I2S, LJ, RJ, TDM format
    • Supports 3-wire digital audio interface
  • Flexible processing features:
    • 3-Band advanced DRC + AGL, 2 × 15 BQs
    • PVDD sensing to avoid clipping distortion while voltage rail drops
    • Up to 4 ms lookahead delay buffer for Hybrid-Pro algorithm audio signal tracking
    • Optional 8 or 16 Hybrid-Pro DC-DC control steps with max 10 ms peak sample hold
  • Flexible power supply configurations:
    • PVDD: 4.5 V to 26.4 V
    • DVDD and I/O: 1.8 V or 3.3 V
  • Excellent integrated self-protection:
    • Over-current error (OCE)
    • Cycle-by-cycle current limit
    • Over-temperature warning (OTW)
    • Over-temperature error (OTE)
    • Under, over-voltage lock-out (UVLO, OVLO)
  • Easy system integration:
    • I2C Software Control
    • Reduced solution size:
      • Small 5 × 5 mm package
      • Fewer passives required compared to open-loop Class-D devices
      • No bulky electrolytic capacitors or large inductors required for most applications

TAS5825P is a stereo high-efficiency Closed-Loop audio Class-D audio amplifier with an advanced Hybrid-Pro algorithm to improve system efficiency and reduce heat without clipping distortion.

The supply voltage (PVDD) of an audio amplifier is normally provided by a DC-DC converter. Compared with a fixed PVDD, a variable PVDD that fluctuates based on the audio signal significantly improves efficiency, lowers idle current, and reduces heat.

The powerful audio DSP core of TAS5825P implements a proprietary algorithm called Hybrid-Pro. The Hybrid-Pro algorithm detects the upcoming audio power demand and provides a PWM control signal for the former DC-DC converter via the Hybrid-Pro feedback pin (HPFB). The TAS5825P supports up to 4 ms of delay buffer to look ahead at the audio signal and prevent audio clipping distortion. In various experiments, the TAS5825P increased the runtime of 1S and 2S batteries by greater than 50% while continuously playing music.

TAS5825P is a stereo high-efficiency Closed-Loop audio Class-D audio amplifier with an advanced Hybrid-Pro algorithm to improve system efficiency and reduce heat without clipping distortion.

The supply voltage (PVDD) of an audio amplifier is normally provided by a DC-DC converter. Compared with a fixed PVDD, a variable PVDD that fluctuates based on the audio signal significantly improves efficiency, lowers idle current, and reduces heat.

The powerful audio DSP core of TAS5825P implements a proprietary algorithm called Hybrid-Pro. The Hybrid-Pro algorithm detects the upcoming audio power demand and provides a PWM control signal for the former DC-DC converter via the Hybrid-Pro feedback pin (HPFB). The TAS5825P supports up to 4 ms of delay buffer to look ahead at the audio signal and prevent audio clipping distortion. In various experiments, the TAS5825P increased the runtime of 1S and 2S batteries by greater than 50% while continuously playing music.
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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TAS5825P 4.5 V to 26.4 V, 38 W Stereo, Digital Input, High Efficiency Closed-Loop Class-D Audio Amplifier with Hybrid-Pro Algorithm datasheet (Rev. A) PDF | HTML 2023/1/9
應用說明 Mastering Audio Performance with TAS58xx Family of Class-D Audio Amplifiers PDF | HTML 2026/5/29
應用說明 A Designer's Guide to Class-H Implementation in TAS5815, TAS5825P, TAS5827, TAS5828M, and TAS5830 Amplifiers PDF | HTML 2026/5/28
Application brief Speaker, TV, Soundbar Audio Amplifiers: Features, Benefits, and Selection Guide PDF | HTML 2026/3/11
技術文章 How smart amps are bringing high-fidelity audio into the smart home PDF | HTML 2021/5/3
技術文章 How to extend battery life and reduce power consumption with Class-D audio amplifi PDF | HTML 2020/12/10
技術文章 How audio amplifiers with integrated DSPs are increasing efficiency PDF | HTML 2020/12/8

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開發板

TAS5825PEVM — 具 Hybrid-Pro 演算法的 TAS5825P 高效 D 類音訊放大器評估模組

TAS5825PEVM 展示了採用 Hybrid-Pro 演算法的最新 TI 數位輸入 D 類音訊放大器 TAS5825P。一個可配置為 BTL 或 PBTL 的 TAS5825P 為 LM5155 FB 接腳提供 Hybrid-Pro 輸出。它可以示範基於音訊輸出封包追蹤結果的動態 PVDD 控制，這是具有 1 節電池輸入和 5V 至 16V TAS5825P PVDD 升壓範圍的常見客戶使用者案例。
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