ALC202 데이터 시트보기 (PDF) - Realtek Semiconductor

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ALC202

TWO CHANNEL AC97 AUDIO CODEC

Realtek Semiconductor 

ALC202/ALC202A

Option (I): S/PDIF signal use RCA connector

+ Line Driver/ Receiver (is suitable for long transmission line)

SPDIFO

VDD

C101

0.1U

U3

1 VCC

A8

2R

B7

3D

Z6

4 GND

Y5

SN75179

The T1 transformer should be

capable of operating from 1.5M to 7MHz

(with lower shunt capacitor is preferred)

R101

100

R102

360

T2

RCA CONNECTOR

T1

1

2

4

S/PDIF OUTPUT

1

3

PE-65612

Option (III): Without Line Driver/ Receiver

Use R103 and R108: Guaranteed transmission distance <= 7 feet

Use T3,R105,R106: At least 10 feet of transmission distance

R103 0

SPDIFO SPDIFO

R105

100

R106

360

T3

2

4

1

3

PE-65612

T4

RCA CONNECTOR

1

S/PDIF OUTPUT

R108 0

Option (II): S/PDIF signal use fiber optic transmitter

TOTX176 - maximum 10m transmission distance

TOTX178 - maximum 5m transmission distance

U4

TOTX176(Optical Transmitter)

U5 TOTX178A (Optical Transmitter)

5 N.C

N.C 6

N.C

N.C

(Bottom view)

SPDIFO

R110

8.2K

+5VDD

+5VDD

SPDIFO

C102

0.1u

+5VDD

S/PDIF Output Connection (I, II, III are optional)

2002/07/30

40

Rev.1.28

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