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LM4861MX
+BOMIC AMP CLASS AB MONO 1.5W 8SOIC
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ManufacturerTexas Instruments
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Mfr. Part #LM4861MX
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Package SOIC (D)-8
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In Stock4748
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Boomer® |
| ProductStatus | Active |
| Type | Class AB |
| OutputType | 1-Channel (Mono) |
| MaxOutputPowerxChannels@Load | 1.5W x 1 @ 8Ohm |
| Voltage-Supply | 2V ~ 5.5V |
| Features | Shutdown, Thermal Protection |
| MountingType | Surface Mount |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| SupplierDevicePackage | 8-SOIC |
Overview
Description
The LM4861MX is an integrated circuit (IC) audio power amplifier designed for delivering high-quality audio output with minimal external components. It is typically used in portable electronic devices due to its efficient power usage and compact design. The "MX" denotes the specific package type, which is typically a SOIC (Small Outline Integrated Circuit) package, suitable for surface mounting on circuit boards.
Key features of the LM4861 include an output power of approximately 1W per channel at specified load conditions, low distortion levels, and a wide operating voltage range, making it versatile for various applications. The amplifier operates with a single voltage supply, simplifying its integration into battery-powered devices. It also includes features like thermal shutdown protection and short circuit protection, enhancing its reliability and durability.
The LM4861MX is suitable for applications in MP3 players, portable speakers, and other audio devices where space and power efficiency are critical. Its ease of use and robust performance make it a popular choice for designers needing a reliable audio amplification solution.
Key features of the LM4861 include an output power of approximately 1W per channel at specified load conditions, low distortion levels, and a wide operating voltage range, making it versatile for various applications. The amplifier operates with a single voltage supply, simplifying its integration into battery-powered devices. It also includes features like thermal shutdown protection and short circuit protection, enhancing its reliability and durability.
The LM4861MX is suitable for applications in MP3 players, portable speakers, and other audio devices where space and power efficiency are critical. Its ease of use and robust performance make it a popular choice for designers needing a reliable audio amplification solution.
Equivalent
The LM4861MX is a low voltage audio power amplifier. Equivalent products include the TDA2822, NJM2073, and the LM386, although specifications like power output and supply voltage may vary slightly. It is advisable to compare datasheets for compatibilities in applications and pin configurations before selecting a replacement.
Features
The LM4861MX is a low-voltage audio power amplifier designed for portable electronic devices. Key features include:
1. Output Power: Delivers 1W per channel into an 8Ω load with less than 1% Total Harmonic Distortion (THD).
2. Low Voltage Operation: Operates with a supply voltage range from 2.7V to 5.5V, making it ideal for battery-powered applications.
3. Efficiency: High efficiency with low quiescent current for extended battery life.
4. Bridged Mode: Can be configured in a bridge-tied load (BTL) to increase the power output.
5. Low Noise: Features low noise floor suitable for high-quality audio applications.
6. Shutdown Feature: Incorporates a shutdown mode to reduce power consumption when the device is not in use.
7. Thermal Protection: Includes thermal shutdown protection to prevent damage from overheating.
8. Surface-Mount Packaging: Available in a small outline package for space-constrained applications.
These features make the LM4861MX a versatile choice for enhancing audio performance in compact, portable devices.
1. Output Power: Delivers 1W per channel into an 8Ω load with less than 1% Total Harmonic Distortion (THD).
2. Low Voltage Operation: Operates with a supply voltage range from 2.7V to 5.5V, making it ideal for battery-powered applications.
3. Efficiency: High efficiency with low quiescent current for extended battery life.
4. Bridged Mode: Can be configured in a bridge-tied load (BTL) to increase the power output.
5. Low Noise: Features low noise floor suitable for high-quality audio applications.
6. Shutdown Feature: Incorporates a shutdown mode to reduce power consumption when the device is not in use.
7. Thermal Protection: Includes thermal shutdown protection to prevent damage from overheating.
8. Surface-Mount Packaging: Available in a small outline package for space-constrained applications.
These features make the LM4861MX a versatile choice for enhancing audio performance in compact, portable devices.
Pinout
The LM4861MX is a low-voltage audio power amplifier designed for applications such as portable multimedia and other mobile devices. It is commonly available in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions for the LM4861MX are as follows:
1. VDD (Pin 1): Power supply input.
2. Bypass (Pin 2): Bypass capacitor connection for reducing noise.
3. Input+ (Pin 3): Non-inverting audio input.
4. Input- (Pin 4): Inverting audio input.
5. Shutdown (Pin 5): Used to put the device in a low-power shutdown mode.
6. GND (Pin 6): Ground connection.
7. Output (Pin 7): Audio output.
8. VDD (Pin 8): Power supply input (connected internally to Pin 1).
The LM4861MX provides a bridge-tied load (BTL) configuration, enabling the delivery of significant power output with minimal external components. It is suitable for applications that require efficient power usage and low distortion.
1. VDD (Pin 1): Power supply input.
2. Bypass (Pin 2): Bypass capacitor connection for reducing noise.
3. Input+ (Pin 3): Non-inverting audio input.
4. Input- (Pin 4): Inverting audio input.
5. Shutdown (Pin 5): Used to put the device in a low-power shutdown mode.
6. GND (Pin 6): Ground connection.
7. Output (Pin 7): Audio output.
8. VDD (Pin 8): Power supply input (connected internally to Pin 1).
The LM4861MX provides a bridge-tied load (BTL) configuration, enabling the delivery of significant power output with minimal external components. It is suitable for applications that require efficient power usage and low distortion.
Manufacturer
The LM4861MX is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of products, including integrated circuits and embedded processors. The company operates in various sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in analog and digital signal processing technologies, and it plays a significant role in the electronics industry by providing components that are integral to countless electronic devices.
Application
The LM4861MX is a low-voltage audio power amplifier designed for applications that require high-quality sound output. Its primary application areas include portable battery-operated devices like smartphones, tablets, and personal media players, where it can drive headphones or small speakers. It is also suitable for use in toys, laptops, and desktop computers to enhance audio output. Additionally, the LM4861MX can be used in educational electronics kits and DIY audio projects. Its compact size and efficient power usage make it ideal for any application needing a small, efficient audio amplification solution.
Package
The LM4861MX is a low-power audio power amplifier. It comes in an 8-lead SOIC (Small Outline Integrated Circuit) package, which is commonly used for surface-mount applications. This packaging allows for efficient thermal management and compact design, making it suitable for portable electronic devices.
