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ALC4050
Datasheet
Audio Codec with USB To I2S Audio Controller and
Hardware Active Noise Cancellation
List of Tables
TABLE 1. I/O TYPE DESCRIPTION ................................................................................................................................................ 8
TABLE 2. USB TRANSCEIVER PINS ............................................................................................................................................. 8
TABLE 3. GPIO, SPL SERIAL FLASH, UART, DMIC INTERFACE ................................................................................................ 9
TABLE 4. I2C INTERFACE ............................................................................................................................................................ 9
TABLE 5. I2S INTERFACE .......................................................................................................................................................... 10
TABLE 6. ANALOG I/O .............................................................................................................................................................. 10
TABLE 7. FILTER/REFERENCE ................................................................................................................................................... 10
TABLE 8. POWER/GROUND ........................................................................................................................................................ 11
TABLE 9. ABSOLUTE MAXIMUM RATINGS ................................................................................................................................ 12
TABLE 10. RECOMMENDED OPERATING CONDITION .................................................................................................................. 12
TABLE 11. DC CHARACTERISTICS .............................................................................................................................................. 12
TABLE 12. SPDIF OUTPUT TIMING ............................................................................................................................................. 13
TABLE 13. I2C CONTROL INTERFACE ......................................................................................................................................... 14
TABLE 14. MASTER MODE .......................................................................................................................................................... 15
TABLE 15. SLAVE MODE ............................................................................................................................................................ 15
TABLE 16. ANALOG PERFORMANCE ........................................................................................................................................... 17
TABLE 16. ORDERING INFORMATION .......................................................................................................................................... 19
List of Figures
FIGURE 1. BLOCK DIAGRAM ....................................................................................................................................................... 6
FIGURE 2. PIN ASSIGNMENTS ...................................................................................................................................................... 7
FIGURE 3. SPDIF OUTPUT TIMING ............................................................................................................................................ 13
FIGURE 4. I2C CONTROL INTERFACE ........................................................................................................................................ 14
FIGURE 5. I2S MASTER MODE TIMING ...................................................................................................................................... 15
FIGURE 6. I2S SLAVE MODE TIMING ......................................................................................................................................... 16