PCM1753
PCM1754
PCM1755
SLES092A – OCTOBER 2003 – REVISED AUGUST 2004
www.ti.com
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
PCM1753/PCM1755
AGND
BCK
DATA
DGND
LRCK
MC
9
1
–
I
Analog ground
Audio data bit clock input
Audio data digital input
Digital ground
2
I
4
–
I
3
L-channel and R-channel audio data latch enable input
(1)
14
13
15
5
I
Mode control clock input
(1)
MD
I
Mode control data input
(1)
ML
I
Mode control latch input
NC
–
I
SCK
16
6
System clock input
V
V
V
V
–
–
O
O
O
O
Analog power supply, 5 V
CC
10
7
Common voltage decoupling
COM
L
Analog output for L-channel
OUT
OUT
R
8
Analog output for R-channel
(2)
ZEROR/ZEROA
ZEROL/NA
PCM1754
AGND
BCK
11
12
Zero flag output for R-channel/Zero flag output for L-/R-channels
(2)
Zero flag output for L-channel/Not assigned
9
1
–
I
Analog ground
Audio-data bit-clock input
Audio-data digital input
DATA
2
I
(1)
DEMP
DGND
FMT
13
4
I
De-emphasis control
–
I
Digital ground
(1)
15
3
Data format select
LRCK
I
L-channel and R-channel audio data latch enable input
(1)
MUTE
NC
14
5
I
Analog mixing control
–
I
SCK
16
12
6
System clock input
(1)
TEST
I
Test pin. Ground or open
V
V
V
V
–
–
O
O
O
Analog power supply, 5 V
CC
10
7
Common voltage decoupling
Analog output for L-channel
Analog output for R-channel
Zero flag output for L/R channels
COM
L
OUT
OUT
R
8
ZEROA
11
(1)
Schmitt-trigger input with internal pulldown.
Open-drain output (PCM1755).
(2)
6
BB [ BURR-BROWN CORPORATION ]
