CS4391
Serial Audio Data - SDATA...........................................................................................21
Serial Clock - SCLK ......................................................................................................22
Left / Right Clock - LRCK..............................................................................................22
Master Clock - MCLK....................................................................................................22
Mode Select - M3, M2, M1 and M0 (Stand-alone Mode) .............................................22
Mode Select - M3 (Control Port Mode) ........................................................................22
Serial Control Interface Clock - SCL/CCLK (Control Port Mode) .................................23
Serial Control Data I/O - SDA/CDIN (Control Port Mode).............................................23
Address Bit / Chip Select - AD0 / CS (Control Port Mode)...........................................23
Positive Voltage Reference - FILT+ ..............................................................................23
Common Mode Voltage - CMOUT................................................................................23
Channel A and Channel B Mute Control - AMUTEC and BMUTEC .............................23
Differential Analog Output - AOUTB+, AOUTB- and AOUTA+, AOUTA-......................24
Analog Ground - AGND ................................................................................................24
Analog Power - VA........................................................................................................24
6. PIN DESCRIPTION - DSD MODE ....................................................................................25
DSD Audio Data - DSD_A and DSD_B.........................................................................25
DSD Mode - DSD_Mode...............................................................................................25
Master Clock - MCLK....................................................................................................25
DSD Serial Clock - DSD_SCLK ...................................................................................25
7. APPLICATIONS ...............................................................................................................32
7.1 Recommended Power-up Sequence for Hardware Mode ....................................32
7.2 Recommended Power-up Sequence and Access to Control Port Mode ..............32
7.3 Analog Output and Filtering ..................................................................................32
8. CONTROL PORT INTERFACE ........................................................................................33
8.1 SPI Mode ..............................................................................................................33
8.2 I2C Mode ..............................................................................................................33
9. PARAMETER DEFINITIONS ...........................................................................................37
Total Harmonic Distortion + Noise (THD+N).................................................................37
Dynamic Range.............................................................................................................37
Interchannel Isolation....................................................................................................37
Interchannel Gain Mismatch .........................................................................................37
Gain Error......................................................................................................................37
Gain Drift.......................................................................................................................37
10. REFERENCES ...............................................................................................................37
11. PACKAGE DIMENSIONS ...........................................................................................38
DS335PP3
3
CIRRUS [ CIRRUS LOGIC ]
