(1)
+5V Analog
20
GNDD
BCKIN
19
VDD
Post
Low Pass
Filter
14
16
15
12
13
Analog
Mute
Left-Channel
Front Speaker
BCK
VOUTL
AC-3
Audio
Decoder
LRCIN
DIN
LRCK
CAP
DO_0
DO_1
DO_2
+
10µF
PCM1720
Post
Low Pass
Filter
9
Analog
Mute
Right-Channel
Front Speaker
2
6
5
4
7
VOUTR
SCKI
MD
SYSCKI
10kΩ
+5V Analog
MC
8
Mute
Control
ZERO
ML
17
TEST
11
RSTB
GNDA
10
VCA
(1)
+5V Analog
(1)
+5V Analog
20
GNDD
BCKIN
19
VDD
OUTL
Post
Low Pass
Filter
14
16
15
12
13
Analog
Mute
Left-Channel
Surround Speaker
V
LRCIN
DIN
CAP
+
10µF
PCM1720
Post
Low Pass
Filter
9
Analog
Mute
Left-Channel
Surround Speaker
2
6
5
4
7
VOUT
SCKI
MD
MPU
SDO
SCO
10kΩ
+5V Analog
MC
8
Mute
Control
ZERO
STROBE_0
RESET
ML
17
TEST
11
RSTB
GNDA
VCA
10
STROBE_1
STROBE_2
(1)
+5V Analog
(1)
+5V Analog
23
22
21
3
PGND DGND VDD VDP
Post
Low Pass
Filter
17
19
18
9
14
15
Analog
Mute
BCKIN
LRCIN
DIN
V
OUTL
Center Channel
CAP
+
10µF
MD
8
7
MC
PCM1727
Post
Low Pass
Filter
11
ML
Analog
Mute
VOUT
Sub-Woofer
10
20
RSTB
10kΩ
Buffer
Buffer
SCKO2
+5V Analog
16
24
1
Mute
Control
ZERO
Signal
Processor
21
6
SCKO1
SCKO3
XT2
XT1
Buffer
27MHz Master Clock Input
+5V Analog
VCA
Signal
Processor
GNDA
12
13
(1)
NOTE: (1) Bypass Capacitor, 1µF ~ 10µF + 0.1µ.
FIGURE 18. Connection Diagram for a 6-Channel AC-3 Application.
PCM1727
SBAS077A
15
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