Datasheet

PCM3010
SLES055 – NOVEMBER 2002
5
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Terminal Functions
TERMINAL
I/O
DESCRIPTIONS
NAME NO.
I/O
DESCRIPTIONS
AGND1 6 – ADC analog ground
AGND2 20 – DAC analog ground
BCK 11 I Audio data bit clock input
‡
DEMP1 18 I De-emphasis select input, 1
†
DEMP0 19 I De-emphasis select input, 0
†
DGND 14 – Digital ground
DIN 12 I Audio data digital input
‡
DOUT 13 O Audio data digital output
FMT0 7 I Audio data format select input, 0
†
FMT1 8 I Audio data format select input, 1
†
LRCK 10 I Audio data latch enable input
‡
PDWN 17 I ADC and DAC power-down control input, active LOW
†
SCKI 16 I System clock input
‡
TEST 9 I Test control, must be open or connected to DGND
†
V
CC
1 5 – ADC analog power supply, 5 V
V
CC
2 21 – DAC analog power supply, 5 V
V
COM
24 – DAC common voltage decoupling (= 0.5 V
CC
2)
V
DD
15 – Digital power supply, 3.3 V
V
IN
L 1 I ADC analog input, L-channel
V
IN
R 2 I ADC analog input, R-channel
V
OUT
L 23 O DAC analog output, L-channel
V
OUT
R 22 O DAC analog output, R-channel
V
REF
1 3 – ADC reference voltage decoupling, 1 (= 0.5 V
CC
1)
V
REF
2 4 – ADC reference voltage decoupling, 2
†
Schimtt-trigger input with 50-kΩ typical internal pulldown resistor, 5-V tolerant.
‡
Schimtt-trigger input, 5-V tolerant.