參數(shù)資料
型號: DSD1792DB
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192千赫采樣高級分段音頻立體聲數(shù)模轉(zhuǎn)換器
文件頁數(shù): 28/56頁
文件大小: 497K
代理商: DSD1792DB
SLES067A MARCH 2003 REVISED AUGUST 2003
www.ti.com
28
ZFGx: Zero-Detection Flag
Where x = L or R, corresponding to the DAC output channel. These bits are available only for readback.
Default value: 00
ZFGx = 0
ZFGx = 1
Not zero
Zero detected
When the DSD1792 detects that audio input data is continuously zero, the ZFGx bit is set to 1 for the corresponding
channel(s).
B15
R
B14
0
B13
0
B12
1
B11
0
B10
1
B9
1
B8
1
B7
RSV
B6
RSV
B5
RSV
B4
ID4
B3
ID3
B2
ID2
B1
ID1
B0
ID0
Register 23
R: Read Mode Select
Value is always 1, specifying the readback mode.
ID[4:0]: Device ID
The ID[4:0] bits show a device ID in the TDMCA mode.
TYPICAL CONNECTION DIAGRAM IN PCM MODE
PDATA
24
23
22
21
20
19
18
17
16
15
5
6
7
8
9
10
11
12
13
14
DSD1792
PBCK
SCK
DGND
VDD
MS
MDI
MC
MDO
RST
AGND2
IOUTR
VCC1
VCOML
VCOMR
IREF
IOUTR+
AGND3R
AGND1
+
DSDL
1
2
3
4
DSDR
DBCK
PLRCK
28
27
26
25
VCC2L
AGND3L
IOUTL
IOUTL+
DSD
Audio Data
Source
VOUT
L-Channel
5 V
VCC2R
0.1
μ
F
Controller
10
μ
F
3.3 V
PCM
Audio Data
Source
0.1
μ
F
10
μ
F
Cf
Rf
Differential
to
Single
Converter
With
Low-Pass
Filter
+
47
μ
F
+
47
μ
F
5 V
10
μ
F
10 k
+
Cf
Rf
+
VOUT
R-Channel
Cf
Rf
Differential
to
Single
Converter
With
Low-Pass
Filter
+
Cf
Rf
0.1
μ
F
10
μ
F
5 V
+
+
+
+
Figure 32. Typical Application Circuit for Standard PCM Audio Operation
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