The NJU9210BFC1B is a stereo headphone amplifier with ALC (Automatic Level Control) developed by New Japan Radio (NJR). It is designed to provide high-quality audio amplification for headphone applications while incorporating features to protect listeners from excessively loud sounds.

Applications

• Portable audio players
• Smartphones
• Tablets
• Laptop computers
• Gaming devices

Features

• Stereo headphone amplifier
• ALC (Automatic Level Control) function to limit output volume and protect hearing
• Low noise and distortion
• Integrated charge pump for stable output
• Short circuit protection
• Thermal shutdown protection
• Small package size

Benefits

• Hearing Protection: The ALC function prevents excessively loud sounds from damaging the listener's hearing.
• High-Quality Audio: The amplifier delivers clear and accurate sound reproduction.
• Extended Battery Life: Low power consumption helps to extend the battery life of portable devices.
• Reliable Performance: Built-in protection features ensure stable and reliable operation.
• Compact Design: The small package size makes it suitable for portable applications with limited space.

The NJU9210BFC1B is ideal for use in portable audio devices where both high-quality audio and hearing protection are essential. The ALC function automatically adjusts the gain to prevent clipping and distortion, even when the input signal is very strong. This ensures a comfortable and safe listening experience for the user.

Technical Specifications (Typical):

• Operating Voltage: 2.5V to 5.5V
• Output Power: Varies depending on load impedance
• THD+N: Typically less than 0.1%
• SNR: Typically greater than 90dB