NJU8721
NJU8721 is Class D HeadPhone Amplifier for Digital Audio manufactured by New Japan Radio.
PRELIMINARY
CLASS D HEADPHONE AMPLIFIER FOR DIGITAL AUDIO
! GENERAL DESCRIPTION
The NJU8721 is a class D Headphone Amplifier th featuring 6 ∆Σ modulation. It includes Digital Attenuator, Mute, and De-emphasis circuits. It converts digital source input to PWM signal output which is converted to analog signal with simple external LC low-pass filter. The NJU8721 realizes very high power-efficiency by class D operation. Therefore, it is suitable for portable audio set and others.
! PACKAGE OUTLINE
NJU8721V
NJU8721KN1
! Features
# Stereo Headphone Power Amplifier : 50mW+50mW # Sixth-order 32fS Over Sampling ∆Σ & PWM # Internal 8fS Over Sampling Digital Filter # Sampling Frequency :...
