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LM4866

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2.5W 立体声、模拟输入 AB 类音频放大器

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LM4866

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产品详情

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Rating Catalog Load (min) (Ω) 3 Output power (W) 3.2 SNR (dB) 98 THD + N at 1 kHz (%) 0.3 Iq (typ) (mA) 11.5 Control interface GPIO Analog supply (min) (V) 2 Analog supply voltage (max) (V) 5.5 PSRR (dB) 67 Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Rating Catalog Load (min) (Ω) 3 Output power (W) 3.2 SNR (dB) 98 THD + N at 1 kHz (%) 0.3 Iq (typ) (mA) 11.5 Control interface GPIO Analog supply (min) (V) 2 Analog supply voltage (max) (V) 5.5 PSRR (dB) 67 Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • Stereo BTL Amplifier Mode
  • “Click and Pop” Suppression Circuitry
  • Unity-Gain Stable
  • Thermal Shutdown Protection Circuitry
  • TSSOP and Exposed-DAP WQFN Packages

Key Specifications

  • PO at 1% THD+N
    • LM4866LQ, 3Ω load: 2.5W(typ)
    • LM4866LQ, 4Ω load: 2.2W(typ)
    • LM4866MTE, 3Ω load: 2.5W(typ)
    • LM4866MTE, 4Ω load: 2.2W(typ)
    • LM4866MTE, 8Ω load: 1.1W(typ)
    • LM4866MT, 8Ω load: 1.1W(typ)
  • Shutdown current: 0.7μA(typ)
  • Supply voltage range: 2.0V to 5.5V

All trademarks are the property of their respective owners.

  • Stereo BTL Amplifier Mode
  • “Click and Pop” Suppression Circuitry
  • Unity-Gain Stable
  • Thermal Shutdown Protection Circuitry
  • TSSOP and Exposed-DAP WQFN Packages

Key Specifications

  • PO at 1% THD+N
    • LM4866LQ, 3Ω load: 2.5W(typ)
    • LM4866LQ, 4Ω load: 2.2W(typ)
    • LM4866MTE, 3Ω load: 2.5W(typ)
    • LM4866MTE, 4Ω load: 2.2W(typ)
    • LM4866MTE, 8Ω load: 1.1W(typ)
    • LM4866MT, 8Ω load: 1.1W(typ)
  • Shutdown current: 0.7μA(typ)
  • Supply voltage range: 2.0V to 5.5V

All trademarks are the property of their respective owners.

The LM4866 is a bridge-connected (BTL) stereo audio power amplifier which, when connected to a 5V supply, delivers 2.2W to a 4Ω load or 2.5W to a 3Ω load with less than 1.0% THD+N (see Notes below).

With the LM4866 packaged in the WQFN, the customer benefits include low thermal impedance, low profile, and small size. This package minimizes PCB area and maximizes output power.

The LM4866 features an externally controlled, low-power consumption shutdown mode, and thermal shutdown protection. It also utilizes circuitry to reduce “clicks and pops” during device turn-on.

Boomer audio power amplifiers are designed specifically to use few external components and provide high quality output power in a surface mount package.

Note: An LM4866PWP or LM4866NHW that has been properly mounted to a circuit board will deliver 2.2W into 4Ω. The other package options for the LM4866 will deliver 1.1W into 8Ω. See the sections for further information concerning the LM4866PWP and LM4866NHW.

Note: An LM4866PWP or LM4866NHW that has been properly mounted to a circuit board will deliver 2.5W into 3Ω.

The LM4866 is a bridge-connected (BTL) stereo audio power amplifier which, when connected to a 5V supply, delivers 2.2W to a 4Ω load or 2.5W to a 3Ω load with less than 1.0% THD+N (see Notes below).

With the LM4866 packaged in the WQFN, the customer benefits include low thermal impedance, low profile, and small size. This package minimizes PCB area and maximizes output power.

The LM4866 features an externally controlled, low-power consumption shutdown mode, and thermal shutdown protection. It also utilizes circuitry to reduce “clicks and pops” during device turn-on.

Boomer audio power amplifiers are designed specifically to use few external components and provide high quality output power in a surface mount package.

Note: An LM4866PWP or LM4866NHW that has been properly mounted to a circuit board will deliver 2.2W into 4Ω. The other package options for the LM4866 will deliver 1.1W into 8Ω. See the sections for further information concerning the LM4866PWP and LM4866NHW.

Note: An LM4866PWP or LM4866NHW that has been properly mounted to a circuit board will deliver 2.5W into 3Ω.
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类型 标题 下载最新的英语版本 日期
* 数据表 LM4866   2.2W Stereo Audio Amplifier 数据表 (Rev. E) 2013年 3月 21日
白皮书 Optimizing Portable Applications with D/A Converters 2006年 9月 1日

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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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