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LM386G-S08-R

Name: LM386G-S08-R
Rating: 4.7 (12 reviews)

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資料表 LM386G-S08-R DataSheet
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規格

Manufacturer	UTC(Unisonic Tech)
Package	SOP-8
Output Power	700mWx1@8Ω
Voltage - Supply	4V~12V
Speaker Channels	Monaural

概述

Description

The LM386G-S08-R is a low-voltage audio amplifier integrated circuit (IC) that operates on a supply voltage ranging from 4 to 12V, making it suitable for battery-powered applications. It is commonly used in small audio amplification projects, such as portable speakers and audio devices.
Key features include a gain of 200, which can be set by connecting an external resistor and capacitor, and low distortion levels, providing clear sound output. The IC is designed with thermal overload protection and short circuit protection, enhancing its reliability.
The package is a small 8-pin SOIC (Surface Mount) form factor, making it easy to integrate into compact circuits. The LM386G-S08-R is favored for its simplicity, efficiency, and performance in amplifying low-level audio signals, catering to hobbyists and engineers alike.

Features

The LM386G-S08-R is a low voltage audio power amplifier designed for compact applications. Key features include:
1. Output Power: It delivers up to 1 watt of output power at 8 ohms, making it suitable for small speakers.
2. Supply Voltage: Operates from a single supply voltage of 4.5V to 12V, enabling use in battery-powered devices.
3. Gain: Fixed voltage gain of 20, with optional external gain-setting resistors to increase gain up to 200.
4. Low Distortion: Provides low total harmonic distortion (THD) for clearer audio output.
5. Thermal Protection: Incorporated thermal shutdown and current limiting to prevent damage.
6. Compact Package: Available in an 8-pin SOIC (Surface Mount) package for space-saving designs.
7. Easy to Use: Requires minimal external components, facilitating simple circuit design.
8. Applications: Ideal for portable audio devices, televisions, and computer speakers.
These features make the LM386G-S08-R a versatile choice for various audio amplification needs.

Package

The LM386G-S08-R is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for efficient space utilization on printed circuit boards.

Pinout

The LM386G-S08-R is a low-voltage audio power amplifier with a total of 8 pins. The pin configuration is as follows:
1. Input: Non-inverting audio input.
2. Input: Inverting audio input (typically connected to ground).
3. Gain: Gain selection pin (connect a resistor and capacitor to set the gain).
4. Bypass: Optional bypass pin for gain stability.
5. Output: Audio output to the speaker.
6. V-: Negative power supply (ground).
7. V+: Positive power supply (typically +5V to +12V).
8. NC: No connection (not used).
The LM386 is designed for battery-powered devices and has a low quiescent current, making it suitable for portable applications. Its compact package and ease of use make it popular in audio amplification projects.

Manufacturer

The LM386G-S08-R is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and manufactures a wide range of products, including analog and embedded processing chips, primarily for applications in electronics, mobile devices, automotive, and industrial sectors. Founded in 1930, TI is known for its innovation in integrated circuits and other technology solutions, serving both consumer and business markets. The LM386 is a low-voltage audio amplifier commonly used in various audio applications, including portable devices and simple audio projects. TI is recognized for its commitment to quality and performance in the semiconductor industry.

Application

The LM386G-S08-R is a low-voltage audio amplifier widely used in portable audio devices, battery-operated equipment, and small speaker systems. Its key applications include radio receivers, intercoms, TV sets, toys, and alarm systems. The chip's compact size and low power consumption make it suitable for mobile applications and DIY electronic projects.

Equivalent

Equivalent products to the LM386G-S08-R chip include the LM386, LM386N, and TPA2011D1. These chips are low-voltage audio power amplifiers that can be used in similar applications, although specifications like gain and power output may vary. Always check the datasheets for specific parameters to ensure compatibility.