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參數資料
| 型號： | PS9702B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 6Ch, 24bit, 192kHz Digital Audio Processor for Full Digital Amplifier |
| 中文描述： | 6通道，24位，192kHz的數字音頻處理器的全數字放大器 |
| 文件頁數： | 1/41頁 |
| 文件大小： | 505K |
| 代理商： | PS9702B |
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PULSUS
PS9702B
Copyright 2000-2003, Pulsus Technologies Inc
.
1
2003 REV1.2
6Ch, 24bit, 192kHz Digital Audio Processor
for Full Digital Amplifier
Introduction
The PS9702B is a highly integrated system-on-chip
solution for multi-channel AV systems. The PS9702B is 6
channel PCM to PWM modulator with sample rate
converter and pre-amplifier functions. It features six 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 compressor functions. The
PS9702B accepts industry-standard audio data formats
with 16- to 24-bit audio data. Sampling rates of up to 192
kHz are supported.
Features
General
z
1 serial input port for 6Ch and 3 serial input ports
for 2Ch (or 2 serial input ports for 6Ch)
z
SPDIF receiver for 2Ch non-encoded PCM input
z
Supports 16/18/20/24 bit Input
z
Supports 32kHz~192kHz Input Sample Rate
z
I
2
C or SPI control bus
z
100 pin QFP Package
z
3.3V Single Power Supply
Application
z
DVD Receiver (DVD player plus 5.1ch Receiver)
z
Integrated A/V Receiver
z
HDTV sets
z
Car A/V Systems
z
DVD Add-On Cards for High-End PCs
z
Digital Audio Workstations
z
Other Multi-Channel Digital Audio Systems
Digital Filter and Sample-rate-converter Section
z
On chip Sample rate converter
z
On chip Digital De-emphasis filter for CD input signal
Preamplifier Section
z
Input mixing function
z
Microphone mixing function
z
Stereo REC output
z
Parametric EQ (4 band, 1dB/step) per channel
z
Tone control (
±
15dB, 1dB/step) per channel
z
Bass management function
z
Volume control (+24 ~ -70dB, 0.5dB/step) per channel
z
Dynamic range compression function
z
Soft and Hard Mute Functions
PCM-to-PWM modulator section
z
6 channel PWM Amplification output
z
95 dB Dynamic Range (typical)
Functional Block Diagram
Sample
Rate
Converter
Input
Mux
Mic.
Input
Processor
Mixer
4-Band
EQ
Tone
Control
Bass
Manager
PLL
Volume
Control
REC
Output
PWM
Modulator
Dynamic
Range
Compressor
Internal Clocks
Internal Controls
MLRCK
MSDIN[0:2]
MBCK
SLRCK[0:2]
SSDIN[0:2]
SBCK[0:2]
MIC_LRCK
MIC_SDIN
MIC_BCK
MCLK
CLK_IN
PLL_CPC
SPI/I2C
SO/SDA
SCK/SCL
SI/I2C_AD0
/CS/I2C_AD2
I
2
C, SPI
Interface
REC_SDO
PWM_CH1+
PWM_CH1-
PWM_CH2+
PWM_CH2-
PWM_CH3+
PWM_CH3-
PWM_CH4+
PWM_CH4-
PWM_CH5+
PWM_CH5-
PWM_CH6+
PWM_CH6-
REC_PWM_R+
REC_PWM_R-
REC_PWM_L+
REC_PWM_L-
PWM INVERT
OVERLOAD
/RESET
PLL_BYPASS
EXT_MUTE
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