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NPCA110B Datasheet Preview

NPCA110B Datasheet

Audio Enhancing Engine and CODEC

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Nuvoton Confidential
NPCA110B Audio Enhancing Engine and CODEC
February 2012
Revision 1.1
General Description
The Nuvoton NPCA110B device is a member of Nuvoton’s
Sound Enhancing family optimized for low cost TV, portable
devices such as docking stations for MP3-players and mobile
phones, Multi-Media speakers, PC monitor speakers and
Boom boxes.
The NPCA110B integrates WavesMaxxAudio-3 Lite
sound enhancement algorithms. These are proprietary,
patented, psychoacoustic algorithms that compensate for
the acoustic limitations of small CE devices.
MaxxAudio-3 Lite algorithms enable reproduction of rich
content, with a wide dynamic range and a full frequency
range, on a limited audio system. For low-frequency
reproduction, MaxxBassuses a patented psychoacoustic
technique to create a perceived low bass, which can be
extended up to 1.5 octaves lower than the original. This
technique reproduces full and rich sounding bass tones.
Power handling is done by MaxxVolume, which utilizes the
power amplifiers and speakers to their full extent yet avoids
clipping and distortion.
The MaxxAudio-3 Lite software suite provides an additional
algorithm to design a resonance-free audio system: Maxx-
EQ provides a flexible equalizer with 10 bands.
The NPCA110B enables digital control over the volume and
bass, replacing traditional analog potentiometers.
The Maxx family of devices includes:
High-performance, 24-bit audio enhancing engine pre-
programmed with Waves MaxxAudio-3 Lite algorithms
Optional Audio ADC
Optional Audio DAC
Digital I/O and other features for high-performance
audio systems
The MaxxAudio Graphical User Interface (GUI) enables
sound engineers to easily tune the device and customize
presettings for different audio products.
Outstanding Features
Improves audio quality for low-performance speakers
System-level BOM savings
Stereo operation
I2C controlled
24-bit accuracy
Audio algorithms
MAXXBASS®
MAXXEQ
MAXXVOLUME®
Audio input
One I2S or Synchronous Serial Interface (SSI) input
Up to two stereo analog inputs: typical SNR of
90 dB; typical THD of 75 dB
Audio output
One I2S or SSI output
Two analog outputs: typical SNR of 96 dB; typical
THD of 86 dB
Several General-Purpose digital signals available to
the application (GPIOs)
Typical operational power target of less than 0.15W
Power-down target of less than 0.5 mW
3.3V operation
System Block Diagram
MP3 Player
FM Radio
Analog Audio
Analog Audio
Controller
I2C (Optional)
SPDIF Rx
or
TV Chipset
I2S
© 2012 Nuvoton Technology Corporation
NPCA110B
I2S
Analog
GPIOs
Power
Amplifiers
Speakers
R
L
AMP
Analog Audio
Headphones
www.nuvoton.com




Nuvoton Technology

NPCA110B Datasheet Preview

NPCA110B Datasheet

Audio Enhancing Engine and CODEC

No Preview Available !

Nuvoton Confidential
Features
Bus Interfaces
Synchronous Serial Interface (SSI)
Compatible with I2S
Master and slave timing support
I2C Interface
Compliant with I2C-BUS Specification Revision 1.0,
1992
Master or slave interface
Supports 7-bit address mode
Audio Enhancing Engine
Processing Unit
24-bit accuracy
90 MIPs
Audio Algorithms
Sample frequency of 44.1 KHz or 48 KHz supported
MaxxBass
Patented Waves MaxxBass psycho-acoustic bass
extension delivers a more natural sound than tradi-
tional bass boost technologies, which use EQ and
can overpower your system. MaxxBass analyzes
low frequencies to create harmonics that are per-
ceived as lower, deeper tones.
MaxxEQ
MaxxEQ provides the ability to design EQ curves
and shape sound with surgical precision, using up to
10 programmable filters with bell, shelf, low pass,
and high pass, plus adjustable frequency, gain, and
Q parameters. MaxxEQ’s intuitive Graphic User In-
terface makes click-and-drag filter design fast and
easy.
MaxxVolume
MaxxVolume is an all-in-one volume control, with
High-Level Compression to increase RMS levels,
Low-Level Compression to increase the clarity of
soft sounds, Noise Gating to eliminate signal and
system noise, and Leveling to smooth out volume
levels.
Straps, Clocks, Supply and Package Information
Strap Input Controlled Operating Modes
PLL reference clock select (REF strap)
Test mode select (nTEST strap)
I2C master or slave select (I2CMS strap)
Boot options
ROM code operation
Loadable algorithms for new functions or ROM
code patching
Input Clocks
SSI / I2S clock: 64 x sample frequency
Optional crystal oscillator or input clock
Power Supply
3.3V supply operation
Power-Save Modes
Clock switch to a lower frequency
WAIT state (clock stopped)
PLL power-down
Package
5 x 5 mm, 32-pin Quad Flat No-Lead (QFN) package
Algorithm Processing Chain
Maxx
Bass
Maxx
EQ
Maxx
Volume
www.nuvoton.com
2
Revision 1.1


Part Number NPCA110B
Description Audio Enhancing Engine and CODEC
Maker Nuvoton Technology
Total Page 30 Pages
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