LM49350RLX/NOPB National Semiconductor, LM49350RLX/NOPB Datasheet - Page 8

• Manufacturer Part Number: LM49350RLX/NOPB
• Description: IC AUDIO SUBSYSTM .8W D 36USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM49350RLX/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 2W x 1 @ 4 Ohm; 69mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, DAC, Depop, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 36-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49350RLX

FIGURE 15. EMI/RFI Filter for the Class D Amplifier ......................................................................................... 43
FIGURE 16. Digital Mixer .......................................................................................................................... 51
FIGURE 17. I
S Serial Data Format (24 bit example) ........................................................................................ 55
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FIGURE 18. Left Justified Data Format (24 bit example) .................................................................................... 55
FIGURE 19. Right Justified Data Format (24 bit example) .................................................................................. 55
FIGURE 20. PCM Serial Data Format (16 bit example) ...................................................................................... 55
FIGURE 21. ADC DSP Effects Chain ........................................................................................................... 60
FIGURE 22. DAC DSP Effects Chain ........................................................................................................... 60
FIGURE 23. ALC Example ........................................................................................................................ 62
FIGURE 24. Demo Board Schematic ............................................................................................................ 97
FIGURE 25. Top Silkscreen Layer ............................................................................................................... 98
FIGURE 26. Top Layer ............................................................................................................................. 98
FIGURE 27. Inner Layer 1 ......................................................................................................................... 99
FIGURE 28. Inner Layer 2 ......................................................................................................................... 99
FIGURE 29. Bottom Silkscreen Layer ......................................................................................................... 100
FIGURE 30. Bottom Layer ...................................................................................................................... 100
List of Tables
TABLE 1. Device Register Map .................................................................................................................. 27
TABLE 2. PMC_SETUP (0x00h) ................................................................................................................. 32
TABLE 3. PMC_SETUP (0x01h) ................................................................................................................. 33
TABLE 4. PMC_SETUP (0x02h) (Default data value is 0x50h) ............................................................................. 33
TABLE 5. DAC Clock Requirements ............................................................................................................. 34
TABLE 6. ADC Clock Requirements ............................................................................................................. 34
TABLE 7. PLL Settings for Common System Clock Frequencies .......................................................................... 37
TABLE 8. PLL_CLOCK_SOURCE (0x03h) .................................................................................................... 38
TABLE 9. PLL1_M (0x04h) ........................................................................................................................ 38
TABLE 10. PLL1_N (0x05h) ...................................................................................................................... 38
TABLE 11. PLL1_N_MOD (0x06h) .............................................................................................................. 39
TABLE 12. PLL1_P1 (0x07h) ..................................................................................................................... 39
TABLE 13. PLL1_P2 (0x08h) ..................................................................................................................... 39
TABLE 14. PLL2_M (0x09h) ...................................................................................................................... 40
TABLE 15. PLL2_N (0x0Ah) ...................................................................................................................... 40
TABLE 16. PLL2_N_MOD (0x0Bh) .............................................................................................................. 40
TABLE 17. PLL2_P (0x0Ch) ...................................................................................................................... 41
TABLE 18. CLASS_D_OUTPUT (0x10h) ....................................................................................................... 42
TABLE 19. LEFT HEADPHONE_OUTPUT (0x11h) .......................................................................................... 43
TABLE 20. RIGHT HEADPHONE_OUTPUT (0x12h) ........................................................................................ 43
TABLE 21. AUX_OUTPUT (0x13h) .............................................................................................................. 44
TABLE 22. OUTPUT_OPTIONS (0x14h) ....................................................................................................... 44
TABLE 23. ADC_INPUT (0x15h) ................................................................................................................. 44
TABLE 24. MIC_L_INPUT (0x16h) .............................................................................................................. 45
TABLE 25. MIC_R_INPUT (0x17h) .............................................................................................................. 45
TABLE 26. AUX_L_INPUT (0x18h) .............................................................................................................. 46
TABLE 27. AUX_R_INPUT (0x19h) ............................................................................................................. 47
TABLE 28. ADC Basic (0x20h) ................................................................................................................... 48
TABLE 29. ADC_CLK_DIV (0x21h) ............................................................................................................. 48
TABLE 30. ADC TRIM (0x22h) ................................................................................................................... 49
TABLE 31. DAC Basic (0x30h) ................................................................................................................... 50
TABLE 32. DAC_CLK_DIV (0x31h) ............................................................................................................. 50
TABLE 33. Input Levels 1 (0x40h) ............................................................................................................... 52
TABLE 34. Input Levels 2 (0x41h) ............................................................................................................... 52
TABLE 35. Audio Port 1 Input (0x42h) .......................................................................................................... 53
TABLE 36. Audio Port 2 Input (0x43h) .......................................................................................................... 53
TABLE 37. DAC Input Select (0x44h) ........................................................................................................... 54
TABLE 38. Decimator Input Select (0x45h) .................................................................................................... 54
TABLE 39. BASIC_SETUP (0x50h/0x60h) ..................................................................................................... 56
TABLE 40. CLK_GEN_1 (0x51h/0x61h) ........................................................................................................ 56
TABLE 41. CLK_GEN_1 (0x52h/62h) ........................................................................................................... 57
TABLE 42. CLK_GEN_1 (0x53h/63h) ........................................................................................................... 57
TABLE 43. DATA_WIDTHS (0x54h/64h) ....................................................................................................... 58
TABLE 44. TX_MODE (0x55h/x65h) ............................................................................................................ 59
TABLE 45. ADC EFFECTS (0x70h) ............................................................................................................. 60
TABLE 46. DAC EFFECTS (0x71h) ............................................................................................................. 60
TABLE 47. HPF MODE (0x80h) .................................................................................................................. 61
TABLE 48. ADC_ALC_1 (0x81h) ................................................................................................................. 62
TABLE 49. ADC_ALC_2 (0x82h) ................................................................................................................. 63
TABLE 50. ADC_ALC_3 (0x83h) ................................................................................................................. 64
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