LM4873MTX Allicdata Electronics
Allicdata Part #:

LM4873MTX-ND

Manufacturer Part#:

LM4873MTX

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC AMP AUDIO PWR 3W STER 20TSSOP
More Detail: Amplifier IC 2-Channel (Stereo) with Stereo Headph...
DataSheet: LM4873MTX datasheetLM4873MTX Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Series: Boomer®
Packaging: Tape & Reel (TR) 
Part Status: Obsolete
Type: Class AB
Output Type: 2-Channel (Stereo) with Stereo Headphones
Max Output Power x Channels @ Load: 3W x 2 @ 3 Ohm; 440mW x 2 @ 8 Ohm
Voltage - Supply: 2 V ~ 5.5 V
Features: Depop, Input Multiplexer, Shutdown, Thermal Protection
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
Supplier Device Package: 20-TSSOP
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Base Part Number: LM4873
Description

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The LM4873MTX is a fully featured, high performance amplifier that is ideal for a variety of audio applications. It is single-channel, Class D amplifier with a peak output power of 15 watts per channel. It utilizes a three-stage, low pass filter to render high quality sound reproduction in both low and high frequency playback. The amplifier also includes an MOSFET driving stage to ensure robust output capabilities.

The LM4873MTX amplifier is designed to provide an easy to use and powerful audio amplifier solution. It has a two-stage power gain control, which allows the user to adjust the gain manually or use an external potentiometer. Additionally, the device includes an external mute control pin, which enables the user to mute or unmute the output at any time.

The LM4873MTX is also designed to be energy efficient. It features an extremely low current consumption of only 3.4 mA at no output power. This means that it provides a significant reduction in power consumption compared to other amplifiers on the market. Additionally, the LM4873MTX utilizes a synchronous rectifier design, which allows for a high efficiency at both low and high output.

The LM4873MTX is designed to provide excellent sound quality and power output. It features an integrated low pass filter which is designed to reduce noise, distortion and waveform distortion. Additionally, the device includes a built-in over-temperature protection and output current limiting circuit, which provides a higher level of protection.

The LM4873MTX is ideal for a variety of audio applications, including home theater systems, car audio systems, portable audio systems, and other multi-channel audio systems. It is also suitable for a variety of consumer and professional audio applications, such as DJ systems and studio monitoring. The device is capable of driving speakers with a high-pitch output and can also be used in public address systems or other applications that require a low-noise amplifier.

The working principle of the LM4873MTX is as follows: The DC input from the power supply is regulated by the control circuit, which ensures that all of the power amplifiers are kept in a standby mode. When a signal is detected, a voltage is developed across the non-inverting input, which gates the power transistors, allowing the sound to be amplified. The power transistors are driven by the output of the integrated power amplifier, which can output up to 15 watts per channel. The output of the amplifier is then sent to the low-pass filter and then to the speaker.

Overall, the LM4873MTX is an excellent choice for audio applications. It provides an easy to use and powerful audio amplifier solution and features a low current consumption, synchronous rectifier design, and integrated low pass filter for high quality sound. Additionally, the device includes an external mute control pin and over-temperature protection for added safety. This makes the LM4873MTX a great choice for a variety of audio applications.

The specific data is subject to PDF, and the above content is for reference

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