PAM8019KGR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class D, Class AB
Output Type:	2-Channel (Stereo) with Stereo Headphones
Max Output Power x Channels @ Load:	3W x 2 @ 4 Ohm
Voltage - Supply:	2.8 V ~ 5.5 V
Features:	Mute, Short-Circuit and Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	U-QFN4040-20
Package / Case:	20-UFQFN Exposed Pad

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Audio is one of the world\'s oldest and most recognizable entertainment modes. With the advent of digital media, however, traditional analog audio has been left behind. One of the main reasons is that analog audio requires a lot more physical hardware to produce and maintain proper audio, making it more expensive and less practical. Fortunately, modern audio processors have emerged to bridge the gap between analog and digital, making analog audio much more feasible for a wide variety of applications.The PAM8019KGR is one such example of a modern audio processor. This discreet linear audio amplifier is specifically designed for portable and home audio applications. It offers a wide power range and comprehensive protection features, making it an excellent choice for providing high-fidelity sound in a variety of audio applications.The PAM8019KGR consists of two main components, the amplifier and the integrated circuit (IC). The main purpose of the amplifier is to boost audio signals as they pass through it, while the IC serves as a controller, providing several essential services, such as protection against over-voltage, over-current, and over-temperature. Additionally, the IC also serves as a power supply, providing linear power amplification.The PAM8019KGR uses a combination of selectable gain settings, pre-emphasis filters and output filters to provide the best musical performance. The gain settings can be adjusted to match the characteristics of a variety of input signals, while the pre-emphasis filter serves to reduce distortion and improve sound clarity. The PAM8019KGR also features two selectable output filtering systems. The short-term filter limits the frequency range to only the most important audio frequencies, while the long-term filter suppresses all frequencies above 20 kHz, creating a flat and accurate sound.The PAM8019KGR can be configured in two different operating modes. The low-noise mode reduces the amplifier noise to a minimum, while the high-headroom mode provides a greater dynamic range. The second mode is typically preferred for applications where a greater power output is desired, such as in high-fidelity sound systems.The PAM8019KGR\'s wide power range and comprehensive protection features make it an excellent choice for use in both home and mobile audio applications. It can be used to provide high-fidelity sound in a variety of environments, from home entertainment systems to car audio systems. Its highly adjustable gain and filtering capabilities make it an ideal solution for audio processing in general, and its flexible operating modes provide excellent performance and sound quality.

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