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NJU8721

New Japan Radio
Part Number NJU8721
Manufacturer New Japan Radio
Description Class D HeadPhone Amplifier for Digital Audio
Published Jul 13, 2005
Detailed Description NJU8721 PRELIMINARY CLASS D HEADPHONE AMPLIFIER FOR DIGITAL AUDIO ! GENERAL DESCRIPTION The NJU8721 is a class D Headph...
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NJU8721
NJU8721

Overview
NJU8721 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 : 9...


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