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PCM5310PAPR Datasheet(PDF) 62 Page - Texas Instruments |
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PCM5310PAPR Datasheet(HTML) 62 Page - Texas Instruments |
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62 / 103 page  Registers 52 and 53 (34h and 35h) PCM5310 SLES244 – FEBRUARY 2009 ............................................................................................................................................................................................ www.ti.com DMU4: Digital Mute Control for DAC34, R-Channel DMU3: Digital Mute Control for DAC34, L-Channel The PCM5310 can independently mute the DAC digital input data to a zero level when DMU4 and DMU3 = '1'. These settings take precedence over the attenuation level settings of bits DAT3[7:0] and DAT4[7:0] in registers 52 and 53. The analog outputs may have audible zipper noise while changing levels. This noise can be reduced by selecting zero-crossing detection (Register 50, DZ34). Default value: 0 0 Mute disabled (default) 1 Mute enabled REG HEX DESCRIPTION B7 B6 B5 B4 B3 B2 B1 B0 52 34h Digital attenuation level setting for DAC34 L-channel DAT3[7:0] 53 35h Digital attenuation level setting for DAC34 R-channel DAT4[7:0] DAT3[7:0]: Digital Attenuation Setting for DAC34, L-Channel DAT4[7:0]: Digital Attenuation Setting for DAC34, R-Channel The digital attenuator of DAC34 can be independently set from 0 dB to –100 dB in 0.5-dB steps. The DAC34 output may have audible zipper noise while changing levels. This noise can be reduced by selecting zero crossing detection (Register 50, DZ34). Default value : 1111 1111 Table 34. Digital Attenuation Level Setting for DAC34 DIGITAL ATT DIGITAL ATT DIGITAL ATT DIGITAL ATT DAT3[7:0] LEVEL DAT3[7:0] LEVEL DAT3[7:0] LEVEL DAT3[7:0] LEVEL DAT4[7:0] SETTING DAT4[7:0] SETTING DAT4[7:0] SETTING DAT4[7:0] SETTING 1111 1111 FF 0 dB (default) 1100 1100 CC –25.5 dB 1001 1001 99 – 51 dB 0110 0110 66 –76.5 dB 1111 1110 FE –0.5 dB 1100 1011 CB –26 dB 1001 1000 98 –51.5 dB 0110 0101 65 –77 dB 1111 1101 FD –1 dB 1100 1010 CA –26.5 dB 1001 0111 97 –52 dB 0110 0100 64 –77.5 dB 1111 1100 FC –1.5 dB 1100 1001 C9 –27 dB 1001 0110 96 –52.5 dB 0110 0011 63 –78 dB 1111 1011 FB –2 dB 1100 1000 C8 –27.5 dB 1001 0101 95 –53 dB 0110 0010 62 –78.8 dB 1111 1010 FA –2.5 dB 1100 0111 C7 –28 dB 1001 0100 94 –53.5 dB 0110 0001 61 –79 dB 1111 1001 F9 –3 dB 1100 0110 C6 –28.5 dB 1001 0011 93 –54 dB 0110 0000 60 –79.5 dB 1111 1000 F8 –3.5 dB 1100 0101 C5 –29 dB 1001 0010 92 –54.5 dB 0101 1111 5F –80 dB 1111 0111 F7 –4 dB 1100 0100 C4 –29.5 dB 1001 0001 91 –55 dB 0101 1110 5E –80.5 dB 1111 0110 F6 –4.5 dB 1100 0011 C3 –30 dB 1001 0000 90 –55.5 dB 0101 1101 5D –81 dB 1111 0101 F5 –5 dB 1100 0010 C2 –30.5 dB 1000 1111 8F –56 dB 0101 1100 5C –81.5 dB 1111 0100 F4 –5.5 dB 1100 0001 C1 –31 dB 1000 1110 8E –56.5 dB 0101 1011 5B –82 dB 1111 0011 F3 –6 dB 1100 0000 C0 –31.5 dB 1000 1101 8D –57 dB 0101 1010 5A –82.5 dB 1111 0010 F2 –6.5 dB 1011 1111 BF –32 dB 1000 1100 8C –57.5 dB 0101 1001 59 –83 dB 1111 0001 F1 –7 dB 1011 1110 BE –32.5 dB 1000 1011 8B –58 dB 0101 1000 58 –83.5 dB 1111 0000 F0 –7.5 dB 1011 1101 BD –33 dB 1000 1010 8A –58.5 dB 0101 0111 57 –84 dB 1110 1111 EF –8 dB 1011 1100 BC –33.5 dB 1000 1001 89 –59 dB 0101 0110 56 –84.5 dB 1110 1110 EE –8.5 dB 1011 1011 BB –34 dB 1000 1000 88 –59.5 dB 0101 0101 55 –85 dB 1110 1101 ED –9 dB 1011 1010 BA –34.5 dB 1000 0111 87 –60 dB 0101 0100 54 –85.5 dB 1110 1100 EC –9.5 dB 1011 1001 B9 –35 dB 1000 0110 86 –60.5 dB 0101 0011 53 –86 dB 1110 1011 EB –10 dB 1011 1000 B8 –35.5 dB 1000 0101 85 –61 dB 0101 0010 52 –86.5 dB 1110 1010 EA –10.5 dB 1011 0111 B7 –36 dB 1000 0100 84 –61.5 dB 0101 0001 51 –87 dB 1110 1001 E9 –11 dB 1011 0110 B6 –36.5 dB 1000 0011 83 –62 dB 0101 0000 50 –87.5 dB 62 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): PCM5310 |
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