Datasheet

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SBAS291C − AUGUST 2003 − REVISED DECEMBER 2004
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7
Terminal Functions (continued)
TERMINAL
NAME DESCRIPTIONI/ONO.
BCK 15 Input Audio Bit (or Data) Clock
LRCK 16 Input Audio Left/Right (or Word) Clock
DATA0 17 Input Audio Data for Channels 1 and 2 (I
2
S, Left/Right Justified formats)
or Audio Data for Channels 1 Through 4 for TDM Formats
DATA1 18 Input Audio Data for Channels 3 and 4 (I
2
S, Left/Right Justified formats)
V
DD
19 Power Digital Power Supply, +3.3V
DGND 20 Ground Digital Ground
CS 21 Input Serial Peripheral Interface (SPI) Chip Select (Active Low)
CCLK 22 Input Serial Peripheral Interface (SPI) Data Clock
CDIN 23 Input Serial Peripheral Interface (SPI) Data Input
CDOUT 24 Output Serial Peripheral Interface (SPI) Data Output
FMT0 25 Input Audio Data Format Configuration
FMT1 26 Input Audio Data Format Configuration
FMT2 27 Input Audio Data Format Configuration
FS0 28 Input Sampling Mode Configuration
FS1 29 Input Sampling Mode Configuration
NC 30 No Internal Connection
NC 31 No Internal Connection
V
REF
4+ 32 Input Channel 4 High Reference Voltage; Connect to V
CC
V
REF
4− 33 Input Channel 4 Low Reference Voltage; Connect to AGND
AGND2 34 Ground Analog Ground
V
OUT
4− 35 Output Channel 4 Analog Output, Inverted
V
OUT
4+ 36 Output Channel 4 Analog Output, Noninverted
V
COM
2 37 Output DC Common-Mode Voltage for Channels 3 and 4, +2.5V nominal
V
OUT
3+ 38 Output Channel 3 Analog Output, Noninverted
V
OUT
3− 39 Output Channel 3 Analog Output, Inverted
V
CC
2 40 Power Analog Power Supply, +5V
V
REF
3+ 41 Input Channel 3 High Reference Voltage; Connect to V
CC
V
REF
3− 42 Input Channel 3 Low Reference Voltage,; Connect to AGND
V
REF
2− 43 Input Channel 2 Low Reference Voltage; Connect to AGND
V
REF
2+ 44 Input Channel 2 High Reference Voltage; Connect to V
CC
V
CC
1 45 Power Analog Power Supply, +5V
V
OUT
2− 46 Output Channel 2 Analog Output, Inverted
V
OUT
2+ 47 Output Channel 2 Analog Output, Noninverted
V
COM
1 48 Output DC Common-Mode Voltage for Channels 1 and 2, +2.5V nominal