BD3882FV-E2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Audio Signal Processor
Applications:	Pre-Amplifier
Number of Channels:	2
Interface:	SPI
Voltage - Supply:	3.5 V ~ 4.75 V
Operating Temperature:	-20°C ~ 75°C (TA)
Specifications:	Front End
Package / Case:	40-SSOP
Supplier Device Package:	40-SSOPB
Base Part Number:	BD3882

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

BD3882FV-E2 is part of the product lineup for high-fidelity class D amplifiers from ROHM Semiconductor. BD3882FV-E2 is designed to drive single wire audio systems with 3-2.2 W power output and class D efficiency, while featuring low-noise, low-distortion, and low-power dissipation. In terms of applications, it can be used in portable audio products such as headphones, speakers, and monitor systems. It is also ideal for automotive audio applications.

Audio Special-Purpose Characteristics

In the field of audio special applications, BD3882FV-E2 is designed for driving singe-wire audio systems, with 2-channel output and low noise and distortion. It features a wide range of features ideal for the audio special-purpose.

• Low-noise: Featuring a low-noise amplifier design and an optimized headroom, the BD3882FV-E2 is capable of minimizing noise in the audio signal path.
• Low-distortion: The architecture of the low-distortion amplifier used allows for less distortion and more clarity.
• Low-power dissipation: With its efficient design, the device is capable of reducing power dissipation to a minimum.
• High-fidelity output: With its high-fidelity output, the BD3882FV-E2 is capable of accurately reproducing the audio track.
• Wide range of applications: The device is capable of being used in multiple audio applications such as portable audio products (headphones, speakers, etc.) and automotive audio applications.

Working Principle

The BD3882FV-E2 is an audio amplifier specialized for use in single-wire audio systems. It features a wide range of features to reduce distortion, noise and power consumption. In addition, it provides a high-fidelity signal with a low harmonic distortion ratio, ensuring clarity and high-fidelity sound. The audio input source is connected to the signal terminal, which passes the signal through the filter stage before being applied to the input amplifier stage. Here, the signal is amplified and adjusted to the required signal level. The signal is then passed to the class-D amplifier stage, where it is further amplified and output. At the output stage, the signal is subjected to a DC inrush current limiter, which helps to reduce the risk of short circuits caused by sudden voltage spikes. The output stage is also protected by a noise-limiting circuit, which prevents loud buzzing/slapping noises. Additionally, a PWM modulator ensures that the output is of a high-fidelity quality, with minimal distortion.The BD3882FV-E2 features thermal protection to prevent overheating, as well as a four-digit error detection system, which is designed to help detect any errors or malfunctions in the system and output the results to the terminal by means of I2C communications. This helps to ensure that the BD3882FV-E2 operates with minimal disruption in case of any hardware or software issues.

Conclusion

The BD3882FV-E2 is an audio amplifier specialized for single-wire audio systems, providing a wide range of features to reduce noise, distortion and power consumption, while still providing a high-fidelity signal with low harmonic distortion. Its optimal design, coupled with the four-digit error detection system, ensures the device is both reliable and efficient. This makes it the perfect choice for any audio-based application, making it a great choice for home audio, automotive audio, and portable audio products.

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

Part Number	Manufacturer	Price	Quantity	Description