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Pulsus Technologies

PS9830B Datasheet Preview

PS9830B Datasheet

Multi-channel Digital Audio Processor

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Multi-channel Digital Audio Processor
PS9830B
8Ch, 24bits, 192kHz Digital Audio Processor
For Full Digital Amplifier
Pulsus Technologies
Copyright © 1999-2008,
2008
Pulsus
Version1.07!
Technologies
November
Inc.




Pulsus Technologies

PS9830B Datasheet Preview

PS9830B Datasheet

Multi-channel Digital Audio Processor

No Preview Available !

PULSUS
PS9830B
8Ch, 24bit, 192kHz Digital Audio Processor
For Full Digital Amplifier!
!!
A. Introduction
The PS9830B is a highly integrated system-on-chip solution
for multi-channel AV systems such as 5.1 channel, 6.1 channel
or 7.1 channel. Through the use of a high-quality PCM to
PWM modulator, the PS9830B has an 8-channel PWM out and
an additional 3-channel PWM out. It also has a 8-channel
sample rate converter. It features 24-bit audio digital-to-digital
converters and over-sampling digital filters, a sample rate
converter, an audio DSP that functions as an on-chip pre-
amplifier with equalizer, volume control, bass management and
automatic gain limiting functions.
The sample rate converter allows for input of up to 96kHz
for 8-channel and 192kHz for 2-channel. It automatically detects
the sampling frequency and converts input sample rate to
internal 192kHz sample rate. This makes it easier for users to
work with this chip.
The PS9830B accepts industry-standard audio data formats
with 16 to 24-bit audio data. It also supports sampling rates of
up to 192 kHz.
Application
! DVD Receiver (DVD player plus 7.1ch receiver)
! Hi-Fi A/V Receiver
! HDTV sets
! Set top Box
! Car A/V Systems
! DVD Add-On Cards for High-End PCs
! Digital Audio Workstations
! Other Multi-Channel Digital Audio Systems
! PC Speakers
!
Features
!
General! !
! ! Internal clock generation with X-tal
! ! 2 serial input ports for 8 Channels
! ! User can select the master/slave mode of input port
! Sub input port can be changed to serial output port
! Supports 16/18/20/24 bits Input
! Supports 13kHz~192kHz Input Sample Rate
! I2C or SPI control bus
! Built-in PLL without External Loop Filter
! 5V tolerant Inputs
! 3.3V Single power supply (regulator inside)
! 100 pin TQFP Package
!
Sample-rate-converter Section
! On-chip Sample rate converter
! Supports up to 96kHz sample rate for 8-channel input
! Supports up to 192kHz sample rate for 2-channel input
! Automatic sample rate detection
! User Programmable LRCK locking range
Preamplifier Section
! Big EQ (Expandable, Programmable, max 2channel 16band EQ)
! 4 Band EQ per channel (Fully Programmable, 1dB/step)
! Big EQ & 4 Band EQ are totally cooperated.
! Adjustable EQ processing position
! Two EQ coefficients sets
! Night mode support (AGL min -60dB)
! Input and Output mapping function
! On-chip digital de-emphasis filter
! Input mixing function
! Microphone mixing function
! Stereo down-mixing function and output
! Bass management function
! Four subsonic filter and LPF for subwoofer channel
! Main volume control (+18 to -70, 0.5dB/step)
! Additional trim control (+12 to -12, 0.5dB/step) per channel
! Soft volume and Soft volume update
! Four independent Automatic Gain Limiter Group (peak detection)
! Soft Mute per channel
! DC input detect Auto-mute (include Zero input)
! Clipping-free processing (30-bit data processing)
PCM-to-PWM modulator section
! Pop Noise Free
! AM Interference Rejection
! 8-channel PWM amplification output
! Selectable PWM line output on channel 7 and 8
! 2-channel PWM headphone output
! 1 channel PWM Subwoofer line output
! PWM On/Off control per channel
! 105 dB SNR (A-weighted)
Copyright © 1999-2008,
2008
Pulsus
Version1.07
3
Technologies
November
Inc.


Part Number PS9830B
Description Multi-channel Digital Audio Processor
Maker Pulsus Technologies
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PS9830B Datasheet PDF






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