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音訊放大器
行動電話、平板電腦和穿戴式音訊放大器

TAS2564

現行

具 I/V 感測，可提供喇叭保護與整合式 13V H 級升壓的 7W 數位輸入智慧型放大器

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但針腳輸出與所比較的裝置不同。
TAS2572 現行 具有 I/V 感測和整合式 13V H 類升壓功能的 6.6W 數位輸入智慧放大器 Improved distortion and noise

TAS2564

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 Boosted, Smart Amp Speaker channels (max) Mono Iq per channel (typ) (mA) 8.9 Control interface I2C Output power (W) 7 Power stage supply (max) (V) 16 Power stage supply (min) (V) 2.7 THD + N at 1 kHz (%) 0.01 Load (min) (Ω) 6.4 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Digital Input Architecture Class-D Boosted, Smart Amp Speaker channels (max) Mono Iq per channel (typ) (mA) 8.9 Control interface I2C Output power (W) 7 Power stage supply (max) (V) 16 Power stage supply (min) (V) 2.7 THD + N at 1 kHz (%) 0.01 Load (min) (Ω) 6.4 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YBG) 36 5.76 mm² (0 mm × 0 mm)
  • Key Features
    • 256 Level, 13-V Class-H Boost
    • Speaker Current and Voltage Sense
    • Inter Chip Alignment (ICLA) of gain across devices.
  • Output Power
    • 7-W 0.1% THD+N (8 Ω at 3.8 V)
  • Power Consumption (1% THD+N, 4.2 V into 8 Ω)
    • 83.5% efficiency at 1 W
    • <1uA HW shutdown VBAT Current
  • Power Supplies
    • VBAT: 2.7 V to 5.5 V
    • VDD: 1.65 V to 1.95 V
    • Digital (1.5 V) is internally generated from VDD.
    • IO and Analog supplies are internally shorted to VDD.
  • Protections
    • Battery: Advanced Brown Out
    • Clipping: VBAT Tracking Peak Voltage Limiter
    • Transducer: DC Detection and Prevention
    • Device: Thermal and Over Current Protection
  • Interfaces and Control
    • I2S/TDM: 8 Channels of 32 bit each up to 96 KSPS
    • I2C: 4 selectable addresses
    • 16 KSPS to 192 KSPS Sample Rates
    • MCLK Free operation
  • Performance
    • Speaker/Receiver Mode with Dynamic Noise Control of Idle Channel Noise (ICN)
    • Receiver Mode: 10 µVrms ICN
    • Speaker Mode: 15 µVrms ICN
    • Spread Spectrum Low EMI Mode
    • 110 dB SNR at 1% THD+N(8Ω)
  • Key Features
    • 256 Level, 13-V Class-H Boost
    • Speaker Current and Voltage Sense
    • Inter Chip Alignment (ICLA) of gain across devices.
  • Output Power
    • 7-W 0.1% THD+N (8 Ω at 3.8 V)
  • Power Consumption (1% THD+N, 4.2 V into 8 Ω)
    • 83.5% efficiency at 1 W
    • <1uA HW shutdown VBAT Current
  • Power Supplies
    • VBAT: 2.7 V to 5.5 V
    • VDD: 1.65 V to 1.95 V
    • Digital (1.5 V) is internally generated from VDD.
    • IO and Analog supplies are internally shorted to VDD.
  • Protections
    • Battery: Advanced Brown Out
    • Clipping: VBAT Tracking Peak Voltage Limiter
    • Transducer: DC Detection and Prevention
    • Device: Thermal and Over Current Protection
  • Interfaces and Control
    • I2S/TDM: 8 Channels of 32 bit each up to 96 KSPS
    • I2C: 4 selectable addresses
    • 16 KSPS to 192 KSPS Sample Rates
    • MCLK Free operation
  • Performance
    • Speaker/Receiver Mode with Dynamic Noise Control of Idle Channel Noise (ICN)
    • Receiver Mode: 10 µVrms ICN
    • Speaker Mode: 15 µVrms ICN
    • Spread Spectrum Low EMI Mode
    • 110 dB SNR at 1% THD+N(8Ω)

The TAS2564 is a digital input, Class-D audio amplifier with a 256 level, 13 V Class-H boost. The robust 13 V Class-H boost provides the power needed for peak output while the algorithmically-controlled 256 level boost reduces the average power consumption. The boost is easily configured with PurePath Console GUI.

The Class-D amplifier is capable of delivering 7 W of peak power into an 8 Ω. TAS2564 is 83.5% efficient at 1 W output level. Integrated speaker voltage and current sense provides real time monitoring to keep speakers in the safe operation area.

Battery tracking peak voltage limiter with brown-out prevention optimizes amplifier headroom over the entire battery discharge. Up to four devices can share a common bus via I2S/TDM + I 2C interfaces.

The TAS2564 is a digital input, Class-D audio amplifier with a 256 level, 13 V Class-H boost. The robust 13 V Class-H boost provides the power needed for peak output while the algorithmically-controlled 256 level boost reduces the average power consumption. The boost is easily configured with PurePath Console GUI.

The Class-D amplifier is capable of delivering 7 W of peak power into an 8 Ω. TAS2564 is 83.5% efficient at 1 W output level. Integrated speaker voltage and current sense provides real time monitoring to keep speakers in the safe operation area.

Battery tracking peak voltage limiter with brown-out prevention optimizes amplifier headroom over the entire battery discharge. Up to four devices can share a common bus via I2S/TDM + I 2C interfaces.

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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 TAS2564 7-W Class-D Smart Amp With Integrated 13-V Class-H boost &I/V Sense for Speaker Protection datasheet (Rev. A) PDF | HTML 2019/12/12
技術文章 How smart amps are bringing high-fidelity audio into the smart home PDF | HTML 2021/5/3
應用說明 Limitations of Capacitor only EMI Filters on Class-D Amplifiers PDF | HTML 2020/7/21
應用說明 Current and Voltage Sensing Accuracy and Linearity PDF | HTML 2020/7/21
應用說明 Requesting Access to Audio Software 2020/6/18
應用說明 TAS2564 Schematic and Layout Guidelines 2020/6/15
技術文章 How a look-ahead boost conquers battery-life challenges in speakers PDF | HTML 2020/2/20
應用說明 TAS2562, TAS2563 Thermal Foldback Feature on SmartAmps PDF | HTML 2020/1/29
使用指南 SmartAmp Learning Board 2 User's Guide (Rev. A) 2019/9/13
應用說明 Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 2019/8/26
應用說明 Passive Component Selection Guide for Class-D Audio Amplifier 2019/6/27
應用說明 Battery Voltage Tracking Limiter and Brown-Out Protection PDF | HTML 2019/6/26
應用說明 PCB Layout Guidelines for TAS2xxx Series Class-D Boosted Audio Amplifier 2019/6/6
應用說明 Benefits of Class-G and Class-H Boost in Audio Amplifiers 2019/4/30
應用說明 PLL and Clocking Configuration for Audio Devices 2019/3/26
應用說明 How the SmartAmp Speaker Protection Algorithm Compensates the Effects of Series 2018/8/8
應用說明 SmartPA Speaker Protection Algorithm 2018/8/6
技術文章 Smart speakers don’t have to sound as small as they are PDF | HTML 2018/6/4
技術文章 Don’t limit your audio: how to achieve loud sound from a small speaker PDF | HTML 2017/12/18
應用說明 Smart Amp Tuning Guide 2017/9/5
應用說明 Smart Amp Quick Start Guide 2017/8/3
應用說明 AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 2013/5/1

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

PP-SALB2-EVM — PP-SALB2-EVM 智慧放大器喇叭特性化基板評估模組 (學習板 2)

此電路板支援：TAS2555YZEVM、TAS2557EVM 及 TAS2559EVM。

智慧型放大器喇叭特性化基板與支援的 TI 智慧型放大器和 PurePath Console 軟體一起使用時，可讓使用者測量喇叭偏移、溫度及其他參數，以搭配 TI 智慧型放大器產品使用。  整個解決方案提供方便使用的逐步程序，引導您完成整個喇叭特性化程序。  完成特性化後，喇叭參數會自動載入 PurePath Console 中，以便開始進行微調，並透過喇叭保護功能獲得最佳音質。

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開發板

PPC3-EVM-MB — 適用智慧型放大器子卡評估模組的 PPC3-EVM-MB 主機板

此 EVM 可做為智慧型放大器解決方案的主機板，讓 TI 低功耗音訊/觸控產品組合能採用模組化方式。運用每種產品各自的子卡，設計人員能夠評估其應用以及更廣泛的可能解決方案。可在單聲道/立體聲之間調節，並可在使用或不使用 IV 感測的情況下運作。Purepath Console 3（未隨附）可進行喇叭特性分析，以提供保護。多通道通訊協定可提供音訊和 IV 感測資料。差動至單端濾波器可評估裝置性能，例如 THD + N、效率等。觸控響應可利用波形控制量身打造，也可透過 PPC3 啟用。
使用指南: PDF
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開發板

TAS2564YBGEVM-DC — 具 I/V 感測子卡評估模組的 TAS2564 7-W 智慧型放大器 (需要主機板)

專為與 PPC3-EVM-MB 接合使用而設計。此子卡評估模組可提供工具給設計人員，以利將智慧型放大器產品組合整合至應用項目中。此 EVM 提供單聲道與立體聲解決方案，並能啟用/停用 IV 感測。與 PurePath Control Console 3 整合後，設計人員即可加入喇叭特性描述，並適當調整喇叭防護演算法。這些功能可量身打造 SoC 性能，以滿足設計人員的終端設備需求。
使用指南: PDF
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應用軟體及架構

PUREPATHCONSOLE — PurePath™ Console graphical development suite for audio system design and development

PurePath™ Console 是一款高度整合且容易使用的音訊開發套件，專爲簡化音訊產品開發相關評估、配置和偵錯程序所設計。瞭解使用 PurePath™ Console 3 軟體有多簡單。

PurePath Console 的直覺式圖形介面無需進階音訊工程專業，因此讓音訊設計更加簡明直觀。在簡單易用的圖形介面中，實作 PurePath Console 的眾多進階控制功能，並以縮短產品開發時間為目標，為您實現高度最佳化的音訊性能、最低功耗和順暢系統整合。

支援的裝置：

PurePath™ Console 1：PCM5142、TAS5721、TAS5729MD、TAS5731 和 (...)
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