BU64241GWZ-E2

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BU64241GWZ-E2 has long been used in the audio special purpose field, and is one of the most widely used devices in this field. This article will discuss the application field and working principle of the BU64241GWZ-E2.

The BU64241GWZ-E2 is a one-chip integrated power amplifier IC, which combines an integrated power amplifier, an oscillator, and an input low-pass filter, etc., in a single package. This device is primarily used in audio special purpose applications such as car audio, and home/pc audio, and is capable of delivering a maximum power of 4 W x 4 (RMS) at 4 Ω. It also provides a minimum of 3 W x 4 at 8 Ω.

The BU64241GWZ-E2 features high efficiency and low noise, with a total harmonic distortion (THD) of 0.005% (@ 1 kHz/60 mV/8 Ω). It requires a wide supply voltage range of 2.7-14 V, and can operate at frequencies of up to 32 kHz. Furthermore, it has a high input sensitivity of 2.1 Vrms and a wide line-out level adjustment range of 0-2.2 Vrms. In addition, the total power control range is 0-100%. It also incorporates an RMS limiter and a speaker protection function, while its maximum output current is 3.2 A.

In terms of its working principle, BU64241GWZ-E2 uses a resonant circuit to produce high-power audio output from a low-power input. To achieve this, the device uses a high power transister stage to deliver a large voltage gain, and then employes a resonant circuit to transfer the energy from the transistor stage to the output. This type of circuit is more efficient than traditional amplifier designs and ensures that the device can operate at high power levels with minimal distortion. The resulting audio output is highly clear, with low harmonic distortion and low noise.

BU64241GWZ-E2 is a highly reliable audio special purpose device that offers excellent performance in a wide range of audio applications. It provides high power output, low distortion, wide frequency response, and a wide input sensitivity range. Furthermore, its ability to operate efficiently at low supply voltages makes it especially suitable for car audio systems and other on-board applications.

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