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當前位置：首頁->產品展示->功放IC->HT566(I2S數字輸入20W立體聲無電感閉環D類音頻功放IC） |
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| 產品名稱： |
HT566(I2S數字輸入20W立體聲無電感閉環D類音頻功放IC） |
| 封裝形式： |
QFN-28 |
| 兼容型號： |
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| 產品功能： |
2×20W (VDD=14.5V, RL=4Ω, THD+N=1%) |
產品規格書下載： HT566.pdf |
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| 申請樣品： |
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詳細介紹 |
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概述
The HT566 is a stereo Class D audio amplifier with multiple audio format port (I2S, LJ, RJ, TDM). It supports a variety of audio clock configurations. The outputs of the HT566 can be configured to drive two speakers in stereo BTL mode or mono PBTL mode.
The HT566 also includes hardware and I2C control modes, integrated digital clipper, spread switching frequency for Class D, and a wide power supply operating range to enable use in a multitude of applications.
An optimal mix of thermal performance and device cost is provided in the 120-mΩ RDS(ON) of the output MOSFETs. Additionally, a thermally enhanced 36-
Pin QFN provides excellent operation in the elevated ambient temperatures found in modern consumer electronic devices.
特點
・Power supply: -PVDD: 4.5V – 16V; -DVDD/AVDD: 3.3V
・Audio Performance
-BTL, 2×20W (PVDD=14.5V, RL=4Ω, THD+N=1%)
-PBTL, 24W (PVDD=15V, RL=4Ω, THD+N=1%)
-THD+N=0.04% (PVDD=12V, RL=4Ω, Po=1W)
-Noise: 85uV (Gain = 16dBV, A weighted)
・Low Quiescent Current in 1SPW mode
-12mA at PVDD = 12V, no filter
・Inductor-free Operation (Ferrite Bead) and EMC compliant for most cases
・Flexible Audio I/O
- I2S, LJ, RJ, TDM input
- 8, 16, 32, 44.1, 48, 88.2, 96, 192kHz Sample
Rates
・General Operational Features
- Hardware or Software Control mode
- 4 Programmable I2C Addresses
- Spread Switching Frequency for Class D
・Robustness Features
- Clock Error, DC, Over Current, Overvoltage, Undervoltage, and Overtemperature Protection
・Packages: Pb-free Packages, QFN28L-4*4
應用
• LCD 電視、OLED 電視
• 無線揚聲器、智能揚聲器（帶語音助理）
• 條形音箱、有線揚聲器、書架立體聲系統
• 臺式計算機、筆記本電腦
• AV 接收器、智能家居和物聯網電器
引腳信息
引腳定義
典型應用圖
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4.5V-26.4V |
2×40W立體聲、數字輸入D類音頻功放芯片、 內置DSP音效處理算法 |
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ACM8622/ACM8625/ACM8628 |
| ACM8615 |
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26W, 單聲道輸出 (8Ω, 20V, THD+N = 10%)
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QFN-16 |
4.5V-21V |
內置DSP、I2S數字輸入20W單聲道D類音頻功放IC |
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| ACM8625P |
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TSSOP-28 |
4.5V-21V |
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2×14W, 立體聲輸出(4Ω, 12V, THD+N = 1%)；
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