Datasheet

www.ti.com
PIN ASSIGNMENTS
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
REF
AGND
V
CC
V
DD
DGND
SCKI
LRCK
V
IN
R
V
IN
L
FMT
MD1
MD0
DOUT
BCK
PW PACKAGE
(TOP VIEW)
P0032-02
PCM1808
SLES177A – APRIL 2006 – REVISED AUGUST 2006
TERMINAL FUNCTIONS
TERMINAL I/O DESCRIPTION
NAME PIN
AGND 2 – Analog GND
BCK 8 I/O Audio data bit clock input/output
(1)
DGND 5 – Digital GND
DOUT 9 O Audio data digital output
FMT 12 I Audio interface format select
(2)
LRCK 7 I/O Audio data latch enable input/output
(1)
MD0 10 I Audio interface mode select 0
(2)
MD1 11 I Audio interface mode select 1
(2)
SCKI 6 I System clock input; 256 f
S
, 384 f
S
or 512 f
S
(3)
V
CC
3 – Analog power supply, 5-V
V
DD
4 – Digital power supply, 3.3-V
V
IN
L 13 I Analog input, L-channel
V
IN
R 14 I Analog input, R-channel
V
REF
1 – Reference voltage decoupling (= 0.5 V
CC
)
(1) Schmitt-trigger input with internal pulldown (50-k Ω , typical)
(2) Schmitt-trigger input with internal pulldown (50-k Ω , typical), 5-V tolerant
(3) Schmitt-trigger input, 5-V tolerant
5
Submit Documentation Feedback