參數(shù)資料
型號: DSD1794DBR
廠商: Texas Instruments, Inc.
英文描述: 24-BIT, 192-kHz SAMPLING, ADVANCED SEGMENT, AUDIO STRRO DIGITAL-TO-ALALOG CONVERTER
中文描述: 24位192 kHz的采樣,高級分段,音頻STRRO數(shù)字至ALALOG轉(zhuǎn)爐
文件頁數(shù): 30/47頁
文件大?。?/td> 417K
代理商: DSD1794DBR
SLES077A MARCH 2003 REVISED NOVEMBER 2003
www.ti.com
30
R: Read Mode Select
Value is always 1, specifying the readback mode.
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 DSD1794 detects that audio input data is continuously zero, the ZFGx bit is set to 1 for the corresponding
channel(s).
TYPICAL CONNECTION DIAGRAM
PDATA
24
23
22
21
20
19
18
17
16
15
5
6
7
8
9
10
11
12
13
14
DSD1794
PBCK
SCK
DGND
VDD
ADR0
ADR1
SCL
SDA
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
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