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