LM386D

有效庫存5,068

LM386D SOP-8 Audio Power OpAmps with ROHS Compliance

  • 製造商零件號 # : LM386D

  • 包裝/封裝: DIP8

  • 製造商: JRC

  • 產品分類 : Instrumentation, OP Amps, Buffer Amps

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LM386D 數據表

價格 (USD)

數量 單價 總價
5 $0.217 $1.08
50 $0.179 $8.95
150 $0.162 $24.30
500 $0.142 $71.00
2500 $0.133 $332.50
5000 $0.127 $635.00

這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。

快速報價

請提交詢價 LM386D 或發送電子郵件給我們: Email: [email protected], 我們將在 12 小時內與您聯繫。

詳細說明

The LM386D is a low-voltage audio power amplifier designed for use in applications such as portable radios, intercoms, and small guitar amplifiers. It is a versatile chip that can deliver up to 0.5 watts of power into an 8-ohm speaker with a supply voltage range of 4 to 12 volts.The LM386D has a gain of 20 to 200, which can be set using external components, making it suitable for a wide range of audio amplification needs. It has a low quiescent current of 4 mA, making it energy efficient and suitable for battery-operated devices.The chip features an internal voltage regulator, which allows it to operate with a wide supply voltage range and provides thermal overload protection. It also has an external shutdown pin that can be used to reduce power consumption when the amplifier is not in use.The LM386D comes in an 8-pin SOIC package, making it easy to integrate into a variety of circuit designs. It is a popular choice for hobbyists and electronics enthusiasts due to its simple design and ease of use.

主要特徵

  • Operating voltage range: 4V - 12V
  • Low quiescent current: 4mA
  • Low distortion
  • Internal gain set at 20, adjustable to higher values
  • Low noise
  • Low input bias current: 50nA

應用

  • Portable devices such as radios, amplifiers, and small speakers
  • Intercom systems and telephone amplifiers
  • Ultrasonic drivers
  • Smoke and gas detectors
  • TV sound systems
  • Instrumentation and control circuits
  • Audio signal processing circuits
  • Industrial control systems
  • Automotive audio systems
  • Medical devices

規格

以下是所選零件的基本參數,涉及零件的特性及其所屬類別。

Part Life Cycle Code Contact Manufacturer Reach Compliance Code
ECCN Code EAR99 HTS Code ! 8542.33.00.01

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。

初步規格 LM386D PDF 下載

常見問題解答

What is LM386D?

The LM386D is a low-voltage audio power amplifier designed by Texas Instruments. It is commonly used in audio applications such as portable devices, intercoms, and small guitar amplifiers. The LM386D is known for its simplicity and ease of use in amplifying audio signals.

How Does LM386D Work?

The LM386D amplifies audio signals by taking a low-voltage input signal and boosting it to a higher power output suitable for driving speakers or headphones. It operates with a minimal number of external components, making it straightforward to integrate into audio circuits. The amplifier is capable of delivering up to 1 watt of output power with a supply voltage as low as 4 volts.

How Many Pins does LM386D have and What are the Functions of the Pinout Configuration?

The LM386D is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • IN-: Inverting input pin.
  • IN+: Non-inverting input pin.
  • VS-: Negative power supply pin.
  • VS+: Positive power supply pin.
  • OUT: Output pin.
  • BYBASS: Bypass pin for internal gain setting.

What are the Pros and Cons of LM386D?

Pros:

  • Simple to Use: Requires minimal external components for operation.
  • Low Voltage Operation: Can operate with low supply voltages, suitable for battery-powered applications.
  • Cost-Effective: Offers a cost-effective solution for audio amplification needs.
  • Compact Package: The 8-pin SOIC package is space-efficient and easy to work with.
  • Decent Output Power: Capable of delivering sufficient power for small audio applications.

Cons:

  • Limited Power Output: Not suitable for high-power audio systems.
  • Noisy: May exhibit noise and distortion at higher volume levels.
  • Limited Bandwidth: Has a limited frequency response compared to high-end audio amplifiers.

Are There Any Equivalents/Alternatives to LM386D for Recommendation?

  • The LM380 from Texas Instruments is a similar audio power amplifier with lower power output.
  • Alternatives to the LM386D include the TDA2030 from STMicroelectronics and the TPA3122D2 from Texas Instruments.

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