- 制造厂商：TI
- 产品类别：音频
- 技术类目：音频放大器 - 扬声器放大器
- 功能描述：Overture 系列：具有静音功能的双路 40W 音频放大器
- 点击这里打开及下载LM4766的技术文档资料
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The LM4766 is a stereo audio amplifier capable of delivering typically 40W per channel with the non-isolated "NDL" package and 30W per channel with the isolated "NDB" package of continuous average output power into an 8Ω load with less than 0.1% (THD+N).
The performance of the LM4766, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe) Protection Circuitry, places it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA). SPiKe Protection means that these parts are safeguarded at the output against overvoltage, undervoltage, overloads, including thermal runaway and instantaneous temperature peaks.
Each amplifier within the LM4766 has an independent smooth transition fade-in/out mute that minimizes output pops. The IC's extremely low noise floor at 2µV and its extremely low THD+N value of 0.06% at the rated power make the LM4766 optimum for high-end stereo TVs or minicomponent systems.
- SPiKe Protection
- Minimal Amount of External Components Necessary
- Quiet Fade-In/Out Mute Mode
- Non-Isolated 15-Lead TO-220 Package
- Wide Supply Range 20V - 78V
- THD+N at 1kHz at 2 x 30W Continuous Average Output Power Into 8? 0.1% (Max)
- THD+N at 1kHz at Continuous Average Output Power of 2 x 30W Into 8? 0.009% (Typ)
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- Audio input type
- Analog Input
- Architecture
- Class-AB
- Speaker channels (Max)
- Stereo
- Power stage supply (Max) (V)
- 60
- Power stage supply (Min) (V)
- 20
- Load (Min) (ohms)
- 4
- Output power (W)
- 50
- SNR (dB)
- 112
- THD + N @ 1 kHz (%)
- 0.06
- Iq (Typ) (mA)
- 24
- Control interface
- Hardware
- Closed/open loop
- Open
- Analog supply (Min) (V)
- 20
- Analog supply (Max) (V)
- 66
- PSRR (dB)
- 125
- Operating temperature range (C)
- 0 to 70
LM4766的完整型号有：LM4766T/NOPB，以下是这些产品的关键参数及官网采购报价：
LM4766T/NOPB，工作温度：0 to 70，封装：TO-220 (NDL)-15，包装数量MPQ：20个，MSL 等级/回流焊峰值温度：Level-1-NA-UNLIM，引脚镀层/焊球材料：SN，TI官网LM4766T/NOPB的批量USD价格：2.633（1000+）
LM4766 TINA-TI Spice Model
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