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LM4950TSX

Name: LM4950TSX
Rating: 4.7 (12 reviews)

Audio Amplifiers

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規格

Packaging	Cut Tape
Standard Pack Qty	500

概述

Description

The LM4950TSX is a dual-channel audio amplifier integrated circuit designed for portable audio applications. It is part of the LM4950 family of devices from Texas Instruments, which are optimized for delivering high-quality audio output in compact devices. This amplifier can drive headphones or small speakers, offering efficient power consumption and low total harmonic distortion, making it ideal for battery-powered applications.
Key features include a wide supply voltage range, thermal shutdown protection, and short-circuit protection, ensuring reliability and performance. The LM4950TSX supports various output configurations, allowing flexibility in design. Its compact package makes it suitable for use in mobile phones, tablets, and other audio devices where space is at a premium.
Overall, the LM4950TSX is a versatile choice for engineers looking to integrate audio amplification into their designs, balancing performance, efficiency, and size.

Features

The LM4950TSX is a dual audio power amplifier designed for portable applications. Key features include:
1. Dual Channel Output: It provides two independent output channels, making it suitable for stereo applications.
2. Low Supply Voltage: Operates within a low voltage range (typically 2.0V to 5.5V), ideal for battery-powered devices.
3. High Output Power: Delivers up to 1.25W per channel into an 8-ohm load, ensuring robust audio performance.
4. Low THD+N: Offers low total harmonic distortion plus noise, enhancing audio fidelity.
5. Built-in Short-Circuit Protection: Protects the device and speakers from damage in case of faults.
6. Thermal Shutdown: Designed to prevent overheating, ensuring reliable operation under varying conditions.
7. Small Package: Available in a compact surface-mount package, suitable for space-constrained designs.
These features collectively make the LM4950TSX a versatile choice for enhancing audio output in portable and compact electronic devices.

Package

The LM4950TSX is packaged in a 28-Pin TSSOP (Thin Shrink Small Outline Package) form factor. This compact package design is used for integrated circuits to minimize space on PCBs while providing efficient thermal performance.

Pinout

The LM4950TSX is a dual-channel audio amplifier designed for portable audio applications. It comes in a 20-pin TSSOP (Thin Shrink Small Outline Package). The pin functions include:
1. Power Supply Pins: VDD (Power), GND (Ground).
2. Input Pins: INL, INR (Left and Right audio inputs).
3. Output Pins: OUTL, OUTR (Left and Right audio outputs to speakers).
4. Control Pins: Enable/Shutdown control, which allows the amplifier to be powered on or off.
5. Compensation Pins: Used for stability and performance tuning.
6. Feedback Pins: For gain setting and feedback control.
The LM4950TSX is optimized for battery-powered devices, providing low power consumption and high efficiency while delivering quality audio performance.

Manufacturer

The LM4950TSX is manufactured by Texas Instruments, a prominent semiconductor company based in the United States. Texas Instruments (TI) is known for designing and producing a wide range of electronic components, including analog ICs, embedded processors, and digital signal processors. The company serves various markets, including automotive, industrial, personal electronics, and communications. TI focuses on innovation and provides solutions that enhance the performance and efficiency of electronic systems. Established in 1930, Texas Instruments has a long history of technological advancements and is recognized as a leader in the semiconductor industry.

Application

The LM4950TSX is a dual audio amplifier primarily used in portable audio applications. Its application areas include mobile phones, portable media players, and other consumer electronics, where it provides high-quality audio output. Additionally, it is suitable for use in small speakers and soundbars, enhancing audio performance in compact devices.

Equivalent

The LM4950TSX is a dual power amplifier chip, commonly used in audio applications. Equivalent products include the LM49450, LM4951, and the TPA2015D1. Other alternatives may include the MAX9731, MAX9730, and the TPA3011D1, depending on specific requirements such as output power, voltage, and package type. Always verify electrical specifications and pin compatibility before substitution.