參數(shù)資料
型號(hào): DSD1793DBR
元件分類: DAC
英文描述: 24 BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
中文描述: 24位192千赫采樣高級(jí)分段音頻立體聲數(shù)模轉(zhuǎn)換器
文件頁(yè)數(shù): 32/47頁(yè)
文件大小: 428K
代理商: DSD1793DBR
DSD1793
SLES075A MARCH 2003 REVISED JANUARY 2004
www.ti.com
38
APPLICATION FOR DSD FORMAT (DSD MODE) INTERFACE
24
DSDR
PLRCK
1
2
3
4
PBCK
PDATA
DBCK
28
27
26
25
ADR0
SCL
SDA
DSDL
Bit Clock
DSD Decoder
DSD1793
DATA_L
DATA_R
5
SCK
System Clock1
(1) The system clock is necessary for the initialization sequence and the I2C interface operation.
Figure 37. Connection Diagram in DSD Mode
Feature
This mode is used for interfacing directly to a DSD decoder, which is found in Super Audio CD
t (SACD) applications.
The DSD mode is accessed by programming the following bit in the corresponding control register:
D DSD = 1 (register 20)
The DSD mode provides a low-pass filtering function. The filtering is provided using an analog FIR filter structure.
Four FIR responses are available, and are selected via DMF[1:0] of control register 18.
Pin Assignment When Using the DSD Format Interface
D DSDL (pin 25): L-channel DSD data input
D DSDR (pin 24): R-channel DSD data input
D DBCK (pin 4): Bit clock (BCK) for DSD data
Super Audio CD is a trademark of Sony Kabushiki Kaisha TA Sony Corporation, Japan.
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