ZHCSSZ8D may   2004  – august 2023 LM386

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 LM386 with Gain = 20
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Gain Control
          2. 9.2.1.2.2 Input Biasing
        3. 9.2.1.3 Application Curve
      2. 9.2.2 LM386 with Gain = 200
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curve
      3. 9.2.3 LM386 with Gain = 50
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curve
      4. 9.2.4 Low Distortion Power Wienbridge Oscillator
        1. 9.2.4.1 Design Requirements
        2. 9.2.4.2 Detailed Design Procedure
        3. 9.2.4.3 Application Curve
      5. 9.2.5 LM386 with Bass Boost
        1. 9.2.5.1 Design Requirements
        2. 9.2.5.2 Detailed Design Procedure
        3. 9.2.5.3 Application Curve
      6. 9.2.6 Square Wave Oscillator
        1. 9.2.6.1 Detailed Design Procedure
        2. 9.2.6.2 Application Curve
      7. 9.2.7 AM Radio Power Amplifier
        1. 9.2.7.1 Design Requirements
        2. 9.2.7.2 Detailed Design Procedure
        3. 9.2.7.3 Application Curve
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Examples
  13. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
    2. 12.2 Documentation Support
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
  14.   Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • D|8
  • P|8
  • DGK|8
散热焊盘机械数据 (封装 | 引脚)
订购信息

3 说明

LM386M-1 和 LM386MX-1 是旨在用于低电压消费类应用的功率放大器。增益在内部设置为 20，用于减少外部元件数量，但在引脚 1 和 8 之间添加外部电阻器和电容器后，可将增益设置为 20 到 200 之间的任意值。

输入以地为基准，而输出自动偏置到电源电压的一半。LM386M-1 和 LM386MX-1 采用 6V 电源供电时，静态功耗仅为 24mW，因此非常适合采用电池供电。

器件信息(1)
器件型号 封装 封装尺寸（标称值）
LM386N-1 PDIP (8) 9.60mm × 6.35mm
LM386N-3 PDIP (8) 9.60mm × 6.35mm
LM386N-4 PDIP (8) 9.60mm × 6.35mm
LM386M-1 SOIC (8) 4.90mm × 3.90mm
LM386MX-1 SOIC (8) 4.90mm × 3.90mm
LM386MMX-1 VSSOP (8) 3.00mm × 3.00mm
(1) 如需了解所有可用封装，请参阅数据表末尾的可订购产品附录。
GUID-4B697621-F723-46FA-9846-4CD16B510D78-low.gif原理图