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LM386MMX-1
+BOM-
제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #LM386MMX-1
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재고2913
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사양
| 속성 | 가치 |
| Brand | Texas Instruments |
| ProductType | Audio Amplifiers |
| Subcategory | Audio ICs |
| Packaging | Reel |
| SupplyVoltage-Min | 4 V |
| SupplyVoltage-Max | 12 V |
| MinimumOperatingTemperature | 0 C |
| MaximumOperatingTemperature | + 70 C |
| Height | 0.86 mm |
| Length | 3 mm |
| OperatingSupplyVoltage | 5 V, 9 V |
| Width | 3 mm |
| Product | Audio Amplifiers |
| OutputType | 1-Channel Mono |
| Class | Class-AB |
| OutputPower | 325 mW |
| THDplusNoise | 0.2 % |
| Audio-LoadImpedance | 32 Ohms |
| Description/Function | Speaker |
| InputType | Differential |
| OutputSignalType | Single |
| PSRR-PowerSupplyRejectionRatio | 50 dB |
| SupplyType | Single |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| MountingStyle | SMD/SMT |
| Package/Case | MSOP-8 |
| FactoryPackQuantity:FactoryPackQuantity | 3500 |
| NumberofChannels | 1 Channel |
| Pd-PowerDissipation | 595 mW |
| Type | 1-Channel Mono |
| Ib-InputBiasCurrent | 250 nA |
| OperatingSupplyCurrent | 4 mA |
개요
Description
Key features include low distortion, thermal protection, and the ability to drive a load of 8 ohms. It also incorporates a low quiescent current, enhancing its efficiency in energy-sensitive environments. The LM386MMX-1 is often utilized in applications such as intercoms, radios, and DIY audio projects due to its simplicity and effectiveness.
In summary, the LM386MMX-1 is a compact, efficient audio amplifier ideal for enhancing sound in small devices while maintaining low power consumption and cost-effectiveness.
Equivalent
Features
1. Low Voltage Operation: It operates from 4 to 12 volts, making it suitable for battery-powered systems.
2. High Gain: The amplifier offers a fixed gain of 200, allowing for efficient amplification of audio signals.
3. Compact Package: Available in an 8-pin DIP or surface-mount package, it saves space on circuit boards.
4. Low Quiescent Current: The device consumes minimal power when idle, extending battery life.
5. Thermal Protection: Built-in thermal shutdown protects the device from overheating.
6. Output Power: It can deliver up to 0.5 watts of output power into an 8-ohm load.
7. Minimal External Components: Requires few external components for operation, simplifying design.
These features make the LM386MMX-1 ideal for applications in consumer electronics, such as radios, televisions, and various audio devices.
Pinout
1. Pin 1 (Gain): Connect to ground or a resistor to set gain (default is 20).
2. Pin 2 (Inverting Input): Receives the negative input signal.
3. Pin 3 (Non-inverting Input): Receives the positive input signal.
4. Pin 4 (V-): Negative power supply voltage.
5. Pin 5 (Output): Amplified audio output.
6. Pin 6 (Power Supply): Positive power supply voltage (typically +5V to +12V).
7. Pin 7 (Bypass): Connect to a capacitor for stability; optional for bypassing to improve performance.
8. Pin 8 (NC): No connection; not used.
The LM386 is commonly used in battery-powered audio applications due to its low power consumption and simple design.
Manufacturer
Application
1. Portable Audio Devices: Enhancing sound in battery-operated speakers and headphones.
2. Consumer Electronics: Used in televisions, radios, and gaming consoles for audio output.
3. Alarm Systems: Amplifying sound signals in security alarms and alerts.
4. DIY Projects: Popular in hobbyist electronics for building small amplifiers or sound projects.
5. Home Automation: Amplifying audio signals in smart home devices and voice assistants.
Its low power consumption and compact size make it ideal for these applications.