DIT4096IPWR datasheet(18/22 Pages) TI

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DIT4096

SBOS225A

www.ti.com

DIT4096

TX+

TX–

110

T1(1)

1:1

NOTE: (1) Shielded Digital Audio Transformer

Scientific Conversion SC937-02 or equivalent.

XLR

0.1

µF

FIGURE 12. Recommended Transmitter Output Circuit for

Balanced, 110

Ω Twisted-Pair Transmission.

DIT4096

TX+

TX–

300

RCA or BNC

T1(1)

2:1

NOTE: (1) Scientific Conversion SC982-04 or equivalent.

10pF

FIGURE 13. Recommended transmitter Output Circuit for Un-

balanced, 75

Ω Coaxial Cable Transmission.

DIT4096

TX+

TX–

Toshiba

TOTX173

Optical

Transmitter

TOSLINK

APF Interconnect

+5V

8.2k

Ω

FIGURE 14. Recommended Transmitter Output Circuit for

TOSLINK Optical Transmission Over All Plastic

Fiber (APF).

TX+

TX–

DGND

SCLK

SYNC

SDATA

M/S

FMT0

FMT1

CSS

COPY/C

AUDIO

EMPH

BLSM

MONO

MDAT

RST

BLS

MCLK

CLK0

CLK1

MODE

DIT4096

Digital Audio

Source

(A/D Converter,

DSP)

Hardwired

Control

Dedicated

Logic

Host

Controlled

Audio Master

Clock Generator

+2.7V to V

+5V

1 = C2 = 0.1µF to 1µF

Cable or

Fiber Optics

Output

Circuit

(See Figs. 12-14)

FIGURE 11. Typical Circuit Configuration, Hardware Mode.

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 96kHz.

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 96kHz data rates. The

optical interface is typically reserved for lower rate transmis-

sion, such as 44.1kHz or 48kHz.

DUAL-WIRE OPERATION USING MONO MODE

In order to support stereo 96kHz transmission for legacy

systems, which utilize AES-3 receivers that operate up to a

maximum of 48kHz, it is necessary to use two DIT4096

transmitters in what is referred to as a Dual-Wire configura-

tion. Each transmitter carries data for only one channel in

this configuration.

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