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參數(shù)資料
| 型號： | 8169 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DIGITAL AUDIO PROCESSOR WITH MULTICHANNEL DDX⑩ |
| 中文描述： | 數(shù)字音頻處理器多通道的DDX⑩ |
| 文件頁數(shù)： | 1/30頁 |
| 文件大?。?/td> | 338K |
| 代理商： | 8169 |
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STA304A
March 2002
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
I
STA304AEND TO END DIGITAL AUDIO
INTEGRATED SOLUTION
I
· DSP Functions:
- DIGITAL VOLUME CONTROL
- SOFT MUTE
- BASS and TREBLE
- PARAMETRIC EQ PER CHANNEL
- BASS MANAGEMENT FOR SUBWOOFER
- AUTO MUTE ON ZERO INPUT DETECTION
I
4+1 DIRECT DIGITAL AMPLIFICATION
(DDX) OUTPUT CHANNELs
I
6 CHANNELs PROGRAMMABLE SERIAL
OUTPUT INTERFACE (by default I2S)
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4 CHANNELs PROGRAMMABLE SERIAL
INPUT INTERFACE (by default I2S)
I
STEREO S/PDIF INPUT INTERFACE
I
Intel AC'97 LINK (rev. 2.1) INPUT INTERFACE
FOR AUDIO AND CONTROL
I
ON CHIP AUTOMATIC INPUT SAMPLING
FREQUENCY DETECTION
I
100 dB SNR SAMPLE RATE CONVERTER
(1KHz SINUSOIDAL INPUT)
I
I
2
C CONTROL BUS
I
LOW POWER 3.3V CMOS TECHNOLOGY
I
EMBEDDED PLL FOR INTERNAL CLOCK
GENERATION (1024x48 kHz = 49.152 MHz)
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6.144 MHz EXTERNAL INPUT CLOCK OR
BUILT-IN INDUSTRY STANDARD XTAL
OSCILLATOR
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VARIABLE DIGITAL GAIN UP TO 24dB
(0.75dB STEP)
1.0 DESCRIPTION
The STA304A Digital Audio Processor is a single
chip device implementing end to end digital solution
for audio application. In conjunction with STA500
power bridge it gives the full digital DSP-to-power
high quality chain with no need for audio Digital-to-
Analog converters between DSP and power stage.
TQFP44
ORDERING NUMBER: STA304A
PRODUCT PREVIEW
DIGITAL AUDIO PROCESSOR WITH MULTICHANNEL DDX
BLOCK DIAGRAM
DSP
SRC
I2S
AC`97
S/PDIF
DDX
I2S
PLL
I2C
RESET
LRCKI / SYNC
SDI_1 / SDATA_OUT
SDI_2 / SDATA_IN
RXP
RXN
BICKI / BIT_CL
SDO_1
SDO_2
SDO_3
LRCKO
BICKO
XTI
XTO
LEFT_A
LEFT_B
RIGHT_A
RIGHT_B
SLEFT_A
SLEFT_B
SRIGHT_A
SRIGHT_B
LFE_A
LFE_B
SCL
SDA
SA
RAM
ROM
CKOUT
18
1
2
3
4
19
11
10
9
7
14
15
43
43
43
43
43
43
22
21
24
23
34
33
28
27
30
29
PowerDown
44
35
EAPD
PWDN
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