PCM1738E2K BURR-BROWN [Burr-Brown Corporation], PCM1738E2K Datasheet - Page 22

• Manufacturer Part Number: PCM1738E2K
• Description: 24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

FIGURE 8. Typical Application Circuit for Standard PCM Audio Operation.
22
REGISTER 21
W/R
ZFGx
TYPICAL CONNECTION DIAGRAM IN PCM MODE
+3.3V
Controller
L/R Clock (f
System Clock
Audio DATA
Bit Clock
Read/Write Mode Control
Only available to set 0 for Read back mode.
When x = L or R, corresponding to the DAC output channel.
These bits are Read only.
Default Value: 00
Zero Detection Flag
When the PCM1738 detects that audio input data is continuously zero for 1024f
the corresponding channel(s). Zero detect flags are also available at ZEROL (pin 2) and ZEROR (pin 3).
B15
W/R
ZFGx = 0
ZFGx = 1
S
)
+
B14
0
10
11
12
13
14
1
2
3
4
5
6
7
8
9
B13
0
RST
ZEROL
ZEROR
LRCK
DATA
BCK
SCKI
DGND
V
SCKO
MDO
MDI
MC
CS
Not ZERO
ZERO Detected
DD
B12
1
PCM1738E
B11
0
AGND2
AGND1
I
I
I
I
V
V
V
MUTE
OUT
OUT
OUT
OUT
V
V
V
COM
COM
COM
I
CC
CC
CC
REF
R+
R–
L–
L+
B10
3
2
1
3
2
1
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+5.0V
B9
+
0
B8
1
+
RSV
B7
+
+
-
-
RSV
B6
RSV
B5
Analog Output Stage
RSV
B4
S
, the ZFGx bit is set to 1 for
RSV
+15V
B3
RSV
B2
–15V
PCM1738
ZFGR
SBAS174B
B1
R-Channel
L-Channel
V
V
ZFGL
OUT
OUT
B0