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LM386MX-1
Pin Plastic SOP Audio Amplifier Circuit, Single
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製造商零件號 # : LM386MX-1
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包裝/封裝: SOIC-8
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零件狀態 : Active
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製造商: Texas Instruments
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產品分類 : Audio Amplifiers
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LM386MX-1 數據表
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詳細說明
Whether it's a compact radio, a sleek TV, or a portable device, the LM386MX-1 excels in delivering superior audio performance while meeting the energy efficiency and space-saving requirements of modern consumer electronics. With its exceptional features and capabilities, this IC sets a high standard for audio power amplification in the consumer electronics market
主要特徵
- Wide supply voltage range: 4V-12V
- Low quiescent current drain: 4mA
- Low distortion: 0.2% (THD)
- Output power: 325mW
- Internal gain: 20 to 200
應用
- Portable audio devices
- Intercoms and walkie-talkies
- Radio systems
- Alarm systems
- TV sound systems
- Telephone speakerphones
- Ultrasonic drivers
- Instrumentation amplifiers
- Line drivers
- Ultrasonic and RF systems
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。
| Product Category ! | Audio Amplifiers | RoHS | N |
| Product | Audio Amplifiers | Class | Class-AB |
| Output Power ! | 325 mW | Mounting Style | SMD/SMT |
| Type | 1-Channel Mono | Package / Case | SOIC-Narrow-8 |
| Audio - Load Impedance | 32 Ohms | THD plus Noise | 0.2 % |
| Supply Voltage - Max | 12 V | Supply Voltage - Min | 4 V |
| Minimum Operating Temperature | 0 C | Maximum Operating Temperature ! | + 70 C |
| Brand | Texas Instruments | Description/Function | Speaker |
| Height | 1.45 mm | Ib - Input Bias Current | 250 nA |
| Input Type | Differential | Length | 4.9 mm |
| Number of Channels | 1 Channel | Operating Supply Current | 4 mA |
| Operating Supply Voltage ! | 5 V, 9 V | Output Signal Type | Single |
| Output Type | 1-Channel Mono | Pd - Power Dissipation | 730 mW |
| Product Type ! | Audio Amplifiers | PSRR - Power Supply Rejection Ratio | 50 dB |
| Factory Pack Quantity | 2500 | Subcategory | Audio ICs |
| Supply Type | Single | Width | 3.9 mm |
| Unit Weight | 0.005044 oz |
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。
常見問題解答
What is LM386MX-1?
The LM386MX-1 is a low-voltage audio power amplifier designed by Texas Instruments. It is commonly used in audio amplifier circuits for applications such as portable audio devices, intercom systems, and small speaker systems.
How Does LM386MX-1 Work?
The LM386MX-1 operates as a class AB audio amplifier, amplifying low-power audio signals to drive speakers or headphones. It accepts input signals from audio sources and outputs amplified audio signals suitable for driving small speakers or headphones. The amplifier features internal gain setting options and low power consumption, making it ideal for battery-operated devices.
How Many Pins does LM386MX-1 have and What are the Functions of the Pinout Configuration?
The LM386MX-1 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- V+: Positive power supply pin.
- GND: Ground pin.
- BYPASS: Bypass capacitor pin for noise suppression.
- IN-: Inverting input pin.
- IN+: Non-inverting input pin.
- OUT: Output pin to connect to the speaker.
- GAIN: Pin for setting the gain of the amplifier.
- V-: Negative power supply pin.
What are the Pros and Cons of LM386MX-1?
Pros:
- Low Voltage Operation: Suitable for battery-powered applications.
- Internal Gain Adjustment: Allows for easy configuration of the amplifier gain.
- Compact Package: The 8-pin SOIC package is space-efficient for compact designs.
- Low Power Consumption: Ideal for portable and low-power devices.
- Cost-Effective: Provides a cost-effective solution for audio amplification needs.
Cons:
- Limited Power Output: May not deliver high-power audio output for larger speaker systems.
- Noisy at High Gain: Can introduce noise or distortion at high gain settings.
- External Components: May require external components for certain applications to optimize performance.
Are There Any Equivalents/Alternatives to LM386MX-1 for Recommendation?
- The TDA2030A from STMicroelectronics is an alternative audio power amplifier with similar features.
- Equivalents to the LM386MX-1 include the TDA2822 from UTC and the BA5406 from Rohm Semiconductor.
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