CS4382 Datasheet, PDF (25/42 Pages) Cirrus Logic – 114 dB, 192 kHz 8-Channel D/A Converter

CS4382
Pin Name #
Pin Description
MUTEC1
MUTEC234
41 Mute Control (Output) - The Mute Control pins go high during power-up initialization, reset, muting,
22 _{power-down or if the master clock to left/right clock frequency ratio is incorrect. These pins are intended}
to be used as a control for external mute circuits to prevent the clicks and pops that can occur in any sin-
gle supply system. The use of external mute circuits are not mandatory but may be desired for designs
requiring the absolute minimum in extraneous clicks and pops.
AOUTA1 +,-
AOUTB1 +,-
AOUTA2 +,-
AOUTB2 +,-
AOUTA3 +,-
AOUTB3 +,-
AOUTA4 +,-
AOUTB4 +,-
39, 40 Differential Analog Output (Output) - The full scale differential analog output level is specified in the
38, 37 Analog Characteristics specification table.
35, 36
34, 33
29, 30
28, 27
25, 26
24, 23
VA
32 Analog Power (Input) - Positive power supply for the analog section. Refer to the Recommended Oper-
ating Conditions for appropriate voltages.
VLS
43 Serial Audio Interface Power (Input) - Determines the required signal level for the serial audio inter-
face. Refer to the Recommended Operating Conditions for appropriate voltages.
Control Port Definitions
SCL/CCLK
SDA/CDIN
AD0/CS
15 Serial Control Port Clock (Input) - Serial clock for the serial control port. Requires an external pull-up
resistor to the logic interface voltage in I²C mode as shown in the Typical Connection Diagram.
16 Serial Control Data (Input/Output) - SDA is a data I/O line in I²C mode and requires an external pull-up
resistor to the logic interface voltage, as shown in the Typical Connection Diagram. CDIN is the input
data line for the control port interface in SPI mode.
17 Address Bit 0 (I²C) / Control Port Chip Select (SPI) (Input) - AD0 is a chip address pin in I²C mode;
CS is the chip select signal for SPI format.
Stand-Alone Definitions
M0
17 Mode Selection (Input) - Determines the operational mode of the device as detailed in Tables 6 and 7.
M1
16
M2
15
M3
42
DSD Definitions
DSD_SCLK 42 DSD Serial Clock (Input) - Serial clock for the Direct Stream Digital audio interface.
DSD_EN
7 DSD-Enable (Input) - When held at logic ‘1’ the device will enter DSD mode (Stand-Alone mode only).
DSDA1
DSDB1
DSDA2
DSDB2
DSDA3
DSDB3
DSDA4
DSDB4
3 Direct Stream Digital Input (Input) - Input for Direct Stream Digital serial audio data.
2
1
48
47
46
45
44
DS514F1
25