NJU8721 - Class D HeadPhone Amplifier for Digital Audio

Product Overview

New Japan Radio

Part number	NJU8721
Manufacturer	New Japan Radio
File Size	168.43 KB
Description	Class D HeadPhone Amplifier for Digital Audio
Datasheet	NJU8721 Datasheet
Additional preview pages of the NJU8721 datasheet.

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.

# Stereo Headphone Power Amplifier : 50mW+50mW # Sixth-order 32fS Over Sampling ∆Σ & PWM # Internal 8fS Over Sampling Digital Filter # Sampling Frequency : 96kHz (Max. ) # De-Emphasis : 32kHz, 44.1kHz, 48kHz # System Clock : 256fS # Digital Processing : Attenuator 107step, LOG Curve : Mute # Digital Audio Interface : 16bit, 18bit 2 : I S, LSB Justified, MSB Justified # Operating Voltage : 2.4 to 3.6V # Driving Voltage : VDD to 5.25V # C-MOS Technology # Package Outline : SSOP20 / QFN28 ! PIN CON.

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Published: Jul 13, 2005 |