Datasheet
SLES071B − MARCH 2003 − REVISED NOVEMBER 2006
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6
Terminal Functions
TERMINAL
I/O
DESCRIPTIONS
NAME PIN
I/O
DESCRIPTIONS
AGNDC 16 − Analog ground (internal bias and current DAC)
AGNDF 9 − Analog ground (DACFF)
AGNDL 19 − Analog ground (L-channel I/V)
AGNDR 11 − Analog ground (R-channel I/V)
BCK 2 I Bit clock input
(1)
DATA 3 I Serial audio data input
(1)
DGND 8 − Digital ground
LRCK 1 I Left and right clock (f
S
) input
(1)
MC 27 I Mode control clock input
(1)
MDI 26 I/O Mode control data input
(2)
MDO 25 O Mode control readback data output
(3)
MS 28 I/O Mode control chip select input
(4)
MSEL 24 I I
2
C/SPI select
(1)
MUTE 4 I Analog output mute control
(1)
RST 6 I Reset
(1)
SCK 5 I System clock input
(1)
V
CC
C 15 − Analog power supply (internal bias and current DAC), 5 V
V
CC
F 21 − Analog power supply (DACFF), 5 V
V
CC
L 20 − Analog power supply (L-channel I/V), 5 V
V
CC
R 10 − Analog power supply (R-channel I/V), 5 V
V
COM
14 − Internal bias decoupling pin
V
DD
7 − Digital power supply, 3.3 V
V
OUT
L+ 17 O L-channel analog voltage output +
V
OUT
L– 18 O L-channel analog voltage output –
V
OUT
R+ 13 O R-channel analog voltage output +
V
OUT
R– 12 O R-channel analog voltage output –
ZEROL 23 O Zero flag for L-channel
ZEROR 22 O Zero flag for R-channel
(1)
Schmitt-trigger input, 5-V tolerant
(2)
Schmitt-trigger input and output. 5-V tolerant input. In I
2
C mode, this pin becomes an open-drain 3-state output; otherwise, this pin is a CMOS
output.
(3)
3-state output
(4)
Schmitt-trigger input and output. 5-V tolerant input and CMOS output