Datasheet

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PCM3000
PCM3001
SBAS055A – OCTOBER 2000 – REVISED OCTOBER 2004
PIN ASSIGNMENTS—PCM3000 (continued)
NAME PIN I/O DESCRIPTION
XTI 20 I Oscillator input
XTO 21 O Oscillator output
PIN ASSIGNMENTS—PCM3001
NAME PIN I/O DESCRIPTION
AGND1 3 – ADC analog ground
AGND2 13 – DAC analog ground
BCKIN 17 I Bit clock input
(1)
C
IN
NL 9 – ADC antialias filter capacitor (–), Lch
C
IN
NR 8 – ADC antialias filter capacitor (–), Rch
C
IN
PL 10 – ADC antialias filter capacitor (+), Lch
C
IN
PR 7 – ADC antialias filter capacitor (+), Rch
CLKIO 22 I/O Buffered oscillator output or external clock input
(1)
DGND 24 – Digital ground
DIN 18 I Data input
(1)
DOUT 19 O Data output
FMT0 27 I Audio data format control 0
(1) (2)
FMT1 26 I Audio data format control 1
(1) (2)
FMT2 25 I Audio data format control 2
(1) (2)
LRCIN 16 I Sample rate clock input (f
S
)
(1)
RSTB 28 I Reset, active-low
(1) (2)
V
CC
1 2 – ADC analog power supply
V
CC
2 14 – DAC analog power supply
V
DD
23 – Digital power supply
VCOM 11 – DAC output common
V
IN
L 1 I ADC analog input, Lch
V
IN
R 6 I ADC analog input, Rch
V
OUT
L 15 O DAC analog output, Lch
V
OUT
R 12 O DAC analog output, Rch
V
REF
L 4 – ADC input reference, Lch
V
REF
R 5 – ADC input reference, Rch
XTI 20 I Oscillator input
XTO 21 O Oscillator output
(1) Schmitt-trigger input
(2) With 70-k Ω typical internal pullup resistor
7