BH7884EFV-E2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class AB
Output Type:	2-Channel (Stereo) with Stereo Headphones
Max Output Power x Channels @ Load:	1W x 2 @ 8 Ohm
Voltage - Supply:	3 V ~ 5.5 V
Features:	Bass Boost, Mute, Standby
Mounting Type:	Surface Mount
Operating Temperature:	-10°C ~ 70°C (TA)
Supplier Device Package:	24-HTSSOP-B
Package / Case:	24-VSSOP (0.220", 5.60mm Width) Exposed Pad
Base Part Number:	BH7884

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Linear - Amplifiers - Audio : BH7884EFV-E2 Application Field and Working PrincipleThe BH7884EFV-E2 is a linear amplifier designed for audio applications. It has a wide range of features, including a low THD+N (Total Harmonic Distortion plus Noise) of 0.003% and a level control of 0 to +10 dB. As a single-chip integrated circuit, it has a wide range of uses, ranging from broadcasting to sound recording studio environment. This article will discuss the application field and working principle of the BH7884EFV-E2. Application field of BH7884EFV-E2 The BH7884EFV-E2 is an ideal choice for a variety of audio applications due to its low THD+N and level control. It has broad applications such as broadcasting systems, professional audio processing applications, sound recording studio environment and many more.Broadcasting systems: The BH7884EFV-E2 is suitable for broadcasting systems, especially for AM/FM radio transmitters, as it has a low noise and low distortion characteristics. Furthermore, its level control allows it to be used as an adjustable audio level control which makes it ideal for radio broadcasting. Professional audio processing applications: The BH7884EFV-E2 can be used in professional audio processing applications, such as sound reinforcement systems, broadcast consoles, and studio mixing consoles. It is equipped with a wide frequency range which makes it suitable for applications involving multiple frequency ranges. Sound recording studio environment: The BH7884EFV-E2 has a excellent signal-to-noise ratio of 90 dB and can handle inputs of up to 10V, making it an ideal choice for the sound recording studio environment. It is also capable of handling large transient signals due to its soft clipping feature. Working Principle of BH7884EFV-E2The BH7884EFV-E2 is designed to provide low distortion and low noise performance. The core of the amplifier consists of an input section, an output section, and an amplifier power supply. The input section comprises of a differential pair of transistors which amplify the input signal. The differential pair of transistors is then connected to the output stage, which consists of a pair of complementary push-pull transistors that further amplify the signal. The output stage is connected to a low-noise power supply, which also provides the level control. The level control can be adjusted to a maximum of +10 dB, allowing the output voltage to be controlled. Furthermore, the amplifier has a unique soft clipping feature, which prevents the output signal from exceeding the set output voltage, thus preventing distortion.The BH7884EFV-E2 is equipped with a low-noise bias circuit, which ensures low noise performance and a wide frequency response range. Additionally, the amplifier is protected from short circuits, over-currents, and over-voltages, thus allowing it to remain safe from dangerous conditions.In conclusion, the BH7884EFV-E2 is an ideal choice for audio applications due to its low THD+N, level control, and wide frequency response range. Its low noise and low distortion characteristics make it suitable for applications in broadcasting systems, professional audio processing, and sound recording studio environment. The BH7884EFV-E2 has a unique soft clipping feature, and is protected from many dangerous conditions, making it an optimal choice for all audio applications.

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