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DIT4192IPWR Datasheet(PDF) 18 Page - Texas Instruments

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Part # DIT4192IPWR
Description  192kHz Digital Audio Transmitter
PDF  22 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DIT4192IPWR Datasheet(HTML) 18 Page - Texas Instruments

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DIT4192
18
SBOS229B
www.ti.com
The line driver outputs may be connected to cable or fiber
optic transmission media in the target application. Figures 12
and 13 show typical connections for driving either balanced
twisted-pair or unbalanced coaxial cable. Either of these
connections will support rates up to 192kHz.
FIGURE 12. Recommended Transmitter Output Circuit for
Balanced, 110
Ω Twisted-Pair Transmission.
FIGURE 13. Recommended Transmitter Output Circuit for
Unbalanced, 75
Ω Coaxial Cable Transmission.
FIGURE 14. Recommended Transmitter Output Circuit for
TOSLINK Optical Transmission Over All Plastic
Fiber (APF).
FIGURE 11. Typical Circuit Configuration, Hardware Mode.
Figure 14 illustrates the connection to an optical transmitter
module, used primarily in consumer applications, such as CD
or DVD players. The optical transmitter data rate is limited to
6Mb/s, so it will not support 192kHz data rates. The optical
interface is typically reserved for lower rate transmission,
such as 44.1kHz or 48kHz.
DUAL-WIRE OPERATION USING MONO MODE
In order to support stereo 192kHz transmission for legacy
systems, which utilize AES-3 receivers that operate up to a
maximum of 96kHz, it is necessary to use two DIT4192
transmitters in what is referred to as a Dual-Wire configura-
tion. Each transmitter carries data for only one channel in this
configuration.
TX+
TX–
V
IO
DGND
V
DD
DGND
18
17
7
8
19
16
SCLK
SYNC
SDATA
M/S
FMT0
FMT1
CSS
COPY/C
U
V
L
AUDIO
EMPH
BLSM
MONO
MDAT
RST
BLS
MCLK
CLK0
CLK1
MODE
11
12
13
14
9
10
1
2
27
26
3
22
23
24
21
20
15
25
6
5
4
28
DIT4192
Digital Audio
Source
(A/D Converter,
DSP)
Hardwired
Control
or
Dedicated
Logic
or
Host
Controlled
Audio Master
Clock Generator
C
1
C
2
+2.7V to V
DD
V
IO
+5V
C
1 = C2 = 0.1µF to 1µF
Cable or
Fiber Optics
Output
Circuit
(See Figs. 12-14)
DIT4192
TX+
TX–
18
1
4
5
2
1
3
8
110
17
T1(1)
1:1
NOTE: (1) Scientific Conversion SC937-02 or equivalent.
XLR
0.1
µF
DIT4192
TX+
TX–
18
1
4
5
8
300
17
RCA or BNC
T1(1)
2:1
NOTE: (1) Scientific Conversion SC982-04 or equivalent.
0.1
µF
DIT4192
TX+
TX–
18
17
3
4
21
Toshiba
TOTX173
Optical
Transmitter
TOSLINK
APF Interconnect
NC
+5V
8.2k
Ω



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