Imagens apenas para referência
LM4861MX/NOPB
+Lista de MateriaisIC AMP CLASS AB MONO 1.5W 8SOIC
-
FabricanteTexas Instruments
-
Peça do Fabricante #LM4861MX/NOPB
-
Em Estoque7361
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Series | Boomer® |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 1.5W x 1 @ 8Ohm |
| Voltage - Supply | 2V ~ 5.5V |
| Features | Shutdown, Thermal Protection |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Base Product Number | LM4861 |
Visão Geral
Description
The LM4861MX/NOPB is a low-voltage audio power amplifier designed for delivering high-quality sound in compact systems. Typically packaged in a SOIC (Small Outline Integrated Circuit) form, this amplifier is ideal for portable and battery-powered audio applications. It is capable of delivering 1W of continuous average power to an 8Ω load with less than 1% total harmonic distortion when powered by a 5V supply.
Key features include low power consumption due to its class AB output stage, high signal-to-noise ratio, and thermal shutdown protection to prevent overheating. The device operates efficiently across a range of voltages, making it versatile for various applications. Additionally, the LM4861MX/NOPB offers a wide bandwidth and low quiescent current, enhancing its suitability for portable devices such as smartphones, tablets, and other handheld electronics.
The LM4861MX/NOPB is known for its ease of use, requiring minimal external components, which simplifies audio system design and integration.
Key features include low power consumption due to its class AB output stage, high signal-to-noise ratio, and thermal shutdown protection to prevent overheating. The device operates efficiently across a range of voltages, making it versatile for various applications. Additionally, the LM4861MX/NOPB offers a wide bandwidth and low quiescent current, enhancing its suitability for portable devices such as smartphones, tablets, and other handheld electronics.
The LM4861MX/NOPB is known for its ease of use, requiring minimal external components, which simplifies audio system design and integration.
Equivalent
The LM4861MX/NOPB is a low-power audio power amplifier. Equivalent products include the TDA7052, NJM2073, and TDA2822, which are also low-power audio amplifiers commonly used in similar applications. These alternatives may differ in specifications such as output power, voltage range, and package type, so it's crucial to compare them based on the specific requirements of your project.
Features
The LM4861MX/NOPB is a low-voltage audio power amplifier designed for portable electronic devices. It features a bridge-tied load (BTL) configuration, which allows it to deliver up to 1W of continuous average power into an 8Ω load with less than 1% Total Harmonic Distortion plus Noise (THD+N) when powered by a 5V supply. The device operates over a wide voltage range from 2.7V to 5.5V, making it versatile for various applications.
Key features include low quiescent current consumption, which helps extend battery life in portable devices. It also incorporates a micropower shutdown mode that reduces power consumption to virtually zero. The LM4861MX/NOPB integrates pop-and-click suppression circuitry to minimize noise during power-up and power-down transitions. Additionally, it provides thermal shutdown protection to prevent overheating.
With its small SOIC package, the LM4861MX/NOPB is suitable for space-constrained designs. It is designed for high-quality audio output without requiring external components like output-coupling capacitors or bootstrap capacitors.
Key features include low quiescent current consumption, which helps extend battery life in portable devices. It also incorporates a micropower shutdown mode that reduces power consumption to virtually zero. The LM4861MX/NOPB integrates pop-and-click suppression circuitry to minimize noise during power-up and power-down transitions. Additionally, it provides thermal shutdown protection to prevent overheating.
With its small SOIC package, the LM4861MX/NOPB is suitable for space-constrained designs. It is designed for high-quality audio output without requiring external components like output-coupling capacitors or bootstrap capacitors.
Pinout
The LM4861MX/NOPB is an audio power amplifier IC from Texas Instruments. It is designed to deliver a continuous average output power to a load while minimizing the number of external components. The LM4861MX/NOPB is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Here is a brief overview of the pin functions:
1. VDD (Pin 1): Supply voltage input.
2. Bypass (Pin 2): Bypass capacitor to provide a low-noise, bias voltage.
3. IN+ (Pin 3): Non-inverting input for the audio signal.
4. IN- (Pin 4): Inverting input for the audio signal.
5. GND (Pin 5): Ground connection.
6. VOUT+ (Pin 6): Positive output to the load (speaker).
7. VOUT- (Pin 7): Negative output to the load.
8. Shutdown (Pin 8): Used to place the amplifier in a low-power shutdown mode.
This IC is typically used in portable audio applications because of its low power consumption and compact package.
Here is a brief overview of the pin functions:
1. VDD (Pin 1): Supply voltage input.
2. Bypass (Pin 2): Bypass capacitor to provide a low-noise, bias voltage.
3. IN+ (Pin 3): Non-inverting input for the audio signal.
4. IN- (Pin 4): Inverting input for the audio signal.
5. GND (Pin 5): Ground connection.
6. VOUT+ (Pin 6): Positive output to the load (speaker).
7. VOUT- (Pin 7): Negative output to the load.
8. Shutdown (Pin 8): Used to place the amplifier in a low-power shutdown mode.
This IC is typically used in portable audio applications because of its low power consumption and compact package.
Manufacturer
The LM4861MX/NOPB is manufactured by Texas Instruments, an American technology company. Texas Instruments is renowned for its design and manufacturing of semiconductors and various integrated circuits. The company plays a significant role in the electronics industry, providing essential components for a wide array of devices, from consumer electronics to industrial systems. Their expertise spans across different areas, including analog chips, embedded processors, and digital light processing (DLP) technology. As a leader in the semiconductor industry, Texas Instruments is known for its innovation and commitment to developing products that enhance electronic performance and energy efficiency.
Application
The LM4861MX/NOPB is a low-power audio amplifier commonly used in portable electronic devices. Its primary application areas include:
1. Portable Audio Devices: Used in MP3 players, portable speakers, and personal audio systems to enhance sound output while maintaining low power consumption.
2. Mobile Phones: Provides clear audio amplification for ringtones, media playback, and speakerphone functions.
3. Consumer Electronics: Integrated into televisions, gaming consoles, and other home entertainment systems to improve audio output.
4. Automotive Systems: Used in car audio systems for better sound clarity and amplification.
5. Industrial Applications: Used in intercoms and other communication devices requiring efficient audio amplification.
Its efficiency and compact size make it suitable for battery-operated applications.
1. Portable Audio Devices: Used in MP3 players, portable speakers, and personal audio systems to enhance sound output while maintaining low power consumption.
2. Mobile Phones: Provides clear audio amplification for ringtones, media playback, and speakerphone functions.
3. Consumer Electronics: Integrated into televisions, gaming consoles, and other home entertainment systems to improve audio output.
4. Automotive Systems: Used in car audio systems for better sound clarity and amplification.
5. Industrial Applications: Used in intercoms and other communication devices requiring efficient audio amplification.
Its efficiency and compact size make it suitable for battery-operated applications.
Package
The LM4861MX/NOPB is an audio power amplifier from Texas Instruments, provided in an SOIC-8 (Small Outline Integrated Circuit) package type.
