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NJM386D
+Lista de MateriaisIC AMP CLASS AB MONO 500MW 8DIP
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FabricanteNisshinbo Micro Devices Inc.
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Peça do Fabricante #NJM386D
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Ficha Técnica NJM386D DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Obsolete |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 500mW x 1 @ 16Ohm |
| Voltage - Supply | 4V ~ 12V |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 8-DIP |
| Package / Case | 8-DIP (0.300", 7.62mm) |
Visão Geral
Description
The NJM386D is a low voltage audio power amplifier designed for various applications, such as portable audio devices and small speaker systems. It operates from a single power supply, typically between 4.5V and 12V, making it suitable for battery-powered applications.
With a maximum output power of around 1W into an 8-ohm load, the NJM386D features low distortion and a built-in thermal shutdown for protection. The amplifier can be configured with external components to set gain levels, typically ranging from 20 to 200, allowing flexibility in amplifying weak audio signals.
The NJM386D’s compact size and efficiency, along with minimal external component requirements, make it an attractive choice for hobbyists and designers in audio applications. Additionally, it is often utilized in educational projects and DIY electronics because of its straightforward operation and availability.
With a maximum output power of around 1W into an 8-ohm load, the NJM386D features low distortion and a built-in thermal shutdown for protection. The amplifier can be configured with external components to set gain levels, typically ranging from 20 to 200, allowing flexibility in amplifying weak audio signals.
The NJM386D’s compact size and efficiency, along with minimal external component requirements, make it an attractive choice for hobbyists and designers in audio applications. Additionally, it is often utilized in educational projects and DIY electronics because of its straightforward operation and availability.
Equivalent
Equivalent products to the NJM386D audio amplifier chip include the LM386, TL386, and TDA7052. These chips offer similar functionality, typically serving as low-power audio amplifiers in various applications. Always check specific datasheets for detailed specifications to ensure compatibility with your project requirements.
Features
The NJM386D is a low-voltage audio power amplifier, designed for portable applications. Key features include:
1. Low Supply Voltage: Operates from 4V to 12V, making it suitable for battery-powered devices.
2. Output Power: Delivers up to 1W output power into an 8Ω load, providing sufficient amplification for small speakers.
3. Gain Configuration: Fixed gain of 20 (26dB) allows straightforward integration into circuits without extensive external components.
4. Low Distortion: Offers low total harmonic distortion (THD) for clean audio output.
5. Thermal and Short-Circuit Protection: Integrated safeguards ensure reliable operation and longevity in various applications.
6. Compact Package: Available in a 5-pin SIP or 8-pin DIP package, facilitating space-efficient designs.
These features make the NJM386D ideal for use in portable audio devices, intercoms, and similar applications where a compact, low-power amplifier is required.
1. Low Supply Voltage: Operates from 4V to 12V, making it suitable for battery-powered devices.
2. Output Power: Delivers up to 1W output power into an 8Ω load, providing sufficient amplification for small speakers.
3. Gain Configuration: Fixed gain of 20 (26dB) allows straightforward integration into circuits without extensive external components.
4. Low Distortion: Offers low total harmonic distortion (THD) for clean audio output.
5. Thermal and Short-Circuit Protection: Integrated safeguards ensure reliable operation and longevity in various applications.
6. Compact Package: Available in a 5-pin SIP or 8-pin DIP package, facilitating space-efficient designs.
These features make the NJM386D ideal for use in portable audio devices, intercoms, and similar applications where a compact, low-power amplifier is required.
Pinout
The NJM386D is a low voltage audio power amplifier with an 8-pin Dual In-line Package (DIP) configuration. The pin assignments and their functions are as follows:
1. Input (Non-inverting): Receives the input audio signal.
2. Input (Inverting): Connects to the input signal ground or reference.
3. V-: Connects to the negative power supply.
4. Gain: Allows for external resistors to set the amplifier gain (default is 200).
5. Output: Supplies the amplified audio signal.
6. V+: Connects to the positive power supply.
7. Bypass: Used for bypassing the power supply to reduce noise, typically connected to ground.
8. NC (No Connection): Not connected internally; can be left unconnected.
The NJM386D is commonly used in battery-operated audio applications due to its low power consumption and ability to deliver outputs suitable for driving speakers.
1. Input (Non-inverting): Receives the input audio signal.
2. Input (Inverting): Connects to the input signal ground or reference.
3. V-: Connects to the negative power supply.
4. Gain: Allows for external resistors to set the amplifier gain (default is 200).
5. Output: Supplies the amplified audio signal.
6. V+: Connects to the positive power supply.
7. Bypass: Used for bypassing the power supply to reduce noise, typically connected to ground.
8. NC (No Connection): Not connected internally; can be left unconnected.
The NJM386D is commonly used in battery-operated audio applications due to its low power consumption and ability to deliver outputs suitable for driving speakers.
Manufacturer
The NJM386D is manufactured by New Japan Radio Co., Ltd. (NJR), a Japanese company that specializes in the design and production of analog and digital integrated circuits (ICs). Founded in 1959, NJR is known for its high-quality audio, radio frequency, and power management components. The NJM386 is a low-voltage audio power amplifier IC, commonly used in various consumer electronics and audio applications. NJR operates in the semiconductor industry, focusing on providing innovative solutions for communication, automotive, and industrial sectors, as well as consumer electronics. The company is recognized for its commitment to research and development, producing reliable and efficient electronic components that meet industry standards.
Application
The NJM386D is a low-voltage audio power amplifier commonly used in various applications, including:
1. Portable Speakers: Ideal for battery-powered audio devices.
2. TV and Computer Audio: Enhances sound output in compact electronics.
3. Intercom Systems: Provides amplification for voice communication systems.
4. Radio Equipment: Used in small radios for audio amplification.
5. DIY Audio Projects: Popular in hobbyist electronics for building amplifiers.
6. Alarm Systems: Amplifies sound for alarms and notifications.
Its low power consumption and compact design make it suitable for space-constrained environments.
1. Portable Speakers: Ideal for battery-powered audio devices.
2. TV and Computer Audio: Enhances sound output in compact electronics.
3. Intercom Systems: Provides amplification for voice communication systems.
4. Radio Equipment: Used in small radios for audio amplification.
5. DIY Audio Projects: Popular in hobbyist electronics for building amplifiers.
6. Alarm Systems: Amplifies sound for alarms and notifications.
Its low power consumption and compact design make it suitable for space-constrained environments.
Package
The NJM386D is typically available in an 8-pin DIP (Dual In-line Package) configuration. This package type is designed for easy mounting on circuit boards and is commonly used in audio amplification applications.
