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LM3886的基本参数
  • 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:带静音功能的 68W、单通道、20V 至 94V 电源立体声 AB 类放大器
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LM3886的产品详情:

The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4Ω load and 38W into 8Ω with 0.1% THD+N from 20Hz–20kHz.

The performance of the LM3886, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe) protection circuitry, puts 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 completely safeguarded at the output against overvoltage, undervoltage, overloads, including shorts to the supplies, thermal runaway, and instantaneous temperature peaks.

The LM3886 maintains an excellent signal-to-noise ratio of greater than 92dB with a typical low noise floor of 2.0µV. It exhibits extremely low THD+N values of 0.03% at the rated output into the rated load over the audio spectrum, and provides excellent linearity with an IMD (SMPTE) typical rating of 0.004%.

LM3886的优势和特性:
  • 68W Cont. Avg. Output Power into 4Ω at VCC = ±28V
  • 38W Cont. Avg. Output Power into 8Ω at VCC = ±28V
  • 50W Cont. Avg. Output Power into 8Ω at VCC = ±35V
  • 135W Instantaneous Peak Output Power Capability
  • Signal-to-Noise Ratio ≥ 92dB
  • An Input Mute Function
  • Output Protection from a Short to Ground or to the Supplies via Internal Current Limiting Circuitry
  • Output Over-Voltage Protection against Transients from Inductive Loads
  • Supply Under-Voltage Protection, not Allowing Internal Biasing to Occur when |VEE| + |VCC| ≤ 12V, thus Eliminating Turn-On and Turn-Off Transients
  • 11-Lead TO-220 Package
  • Wide Supply Range 20V - 94V

All trademarks are the property of their respective owners.

LM3886的参数(英文):
  • Audio input type
  • Analog Input
  • Architecture
  • Class-AB
  • Speaker channels (Max)
  • Mono
  • Power stage supply (Max) (V)
  • 94
  • Power stage supply (Min) (V)
  • 20
  • Load (Min) (ohms)
  • 4
  • Output power (W)
  • 68
  • SNR (dB)
  • 110
  • THD + N @ 1 kHz (%)
  • 0.03
  • Iq (Typ) (mA)
  • 50
  • Control interface
  • Hardware
  • Closed/open loop
  • Open
  • Analog supply (Min) (V)
  • 20
  • Analog supply (Max) (V)
  • 84
  • PSRR (dB)
  • 120
  • Operating temperature range (C)
  • 0 to 70
LM3886具体的完整产品型号参数及价格(美元):

LM3886的完整型号有:LM3886T/NOPB、LM3886TF、LM3886TF/NOPB,以下是这些产品的关键参数及官网采购报价:

LM3886T/NOPB,工作温度:0 to 70,封装: (NDJ)-11,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LM3886T/NOPB的批量USD价格:3.466(1000+)

LM3886TF,工作温度:0 to 70,封装:TO-220 (NDA)-11,包装数量MPQ:20个,MSL 等级/回流焊峰值温度:Call TI,引脚镀层/焊球材料:Call TI,TI官网LM3886TF的批量USD价格:4.126(1000+)

LM3886TF/NOPB,工作温度:0 to 70,封装:TO-220 (NDA)-11,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LM3886TF/NOPB的批量USD价格:3.466(1000+)

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LM3886的评估套件:

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