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PCM5310PAPR Datasheet(PDF) 67 Page - Texas Instruments |
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PCM5310PAPR Datasheet(HTML) 67 Page - Texas Instruments |
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67 / 103 page  Registers 82 and 83 (52h and 53h) PCM5310 www.ti.com ............................................................................................................................................................................................ SLES244 – FEBRUARY 2009 REG HEX DESCRIPTION B7 B6 B5 B4 B3 B2 B1 B0 82 52h Digital attenuation level setting for ADC12 L-channel AAT1[7:0] 83 53h Digital attenuation level setting for ADC12 R-channel AAT2[7:0] AAT1[7:0]: Digital Attenuation Setting for ADC12, L-Channel AAT2[7:0]: Digital Attenuation Setting for ADC12, R-Channel The digital attenuator of ADC12 can be independently set from 20 dB to –100 dB in 0.5-dB steps. The ADC12 output may have audible zipper noise while changing levels. This noise can be reduced by selecting zero crossing detection (Register 80, AZ12). Default value : 1101 0111 Table 35. Digital Attenuation Level Setting for ADC12 DIGITAL ATT DIGITAL ATT DIGITAL ATT DIGITAL ATT AAT1[7:0] LEVEL AAT1[7:0] LEVEL AAT1[7:0] LEVEL AAT1[7:0] LEVEL AAT2[7:0] SETTING AAT2[7:0] SETTING AAT2[7:0] SETTING AAT2[7:0] SETTING 1111 1111 FF 20 dB 1100 0010 C2 –10.5 dB 1000 0101 85 –41 dB 0100 1000 48 –71.5 dB 1111 1110 FE 19.5 dB 1100 0001 C1 –11 dB 1000 0100 84 –41.5 dB 0100 0111 47 –72 dB 1111 1101 FD 19 dB 1100 0000 C0 –11.5 dB 1000 0011 83 –42 dB 0100 0110 46 –72.5 dB 1111 1100 FC 18.5 dB 1011 1111 BF –12 dB 1000 0010 82 –42.5 dB 0100 0101 45 –73 dB 1111 1011 FB 18 dB 1011 1110 BE –12.5 dB 1000 0001 81 –43 dB 0100 0100 44 –73.5 dB 1111 1010 FA 17.5 dB 1011 1101 BD –13 dB 1000 0000 80 –43.5 dB 0100 0011 43 –74 dB 1111 1001 F9 17 dB 1011 1100 BC –13.5 dB 0111 1111 7F –44 dB 0100 0010 42 –74.5 dB 1111 1000 F8 16.5 dB 1011 1011 BB –14 dB 0111 1110 7E –44.5 dB 0100 0001 41 –75 dB 1111 0111 F7 16 dB 1011 1010 BA –14.5 dB 0111 1101 7D –45 dB 0100 0000 40 –75.5 dB 1111 0110 F6 15.5 dB 1011 1001 B9 –15 dB 0111 1100 7C –45.5 dB 0011 1111 3F –76 dB 1111 0101 F5 15 dB 1011 1000 B8 –15.5 dB 0111 1011 7B –46 dB 0011 1110 3E –76.5 dB 1111 0100 F4 14.5 dB 1011 0111 B7 –16 dB 0111 1010 7A –46.5 dB 0011 1101 3D –77 dB 1111 0011 F3 14 dB 1011 0110 B6 –16.5 dB 0111 1001 79 –47 dB 0011 1100 3C –77.5 dB 1111 0010 F2 13.5 dB 1011 0101 B5 –17 dB 0111 1000 78 –47.5 dB 0011 1011 3B –78 dB 1111 0001 F1 13 dB 1011 0100 B4 –17.5 dB 0111 0111 77 –48 dB 0011 1010 3A –78.8 dB 1111 0000 F0 12.5 dB 1011 0011 B3 –18 dB 0111 0110 76 –48.5 dB 0011 1001 39 –79 dB 1110 1111 EF 12 dB 1011 0010 B2 –18.5 dB 0111 0101 75 –49 dB 0011 1000 38 –79.5 dB 1110 1110 EE 11.5 dB 1011 0001 B1 –19 dB 0111 0100 74 –49.5 dB 0011 0111 37 –80 dB 1110 1101 ED 11 dB 1011 0000 B0 –19.5 dB 0111 0011 73 –50 dB 0011 0110 36 –80.5 dB 1110 1100 EC 10.5 dB 1010 1111 AF –20 dB 0111 0010 72 –50.5 dB 0011 0101 35 –81 dB 1110 1011 EB 10 dB 1010 1110 AE –20.5 dB 0111 0001 71 – 51 dB 0011 0100 34 –81.5 dB 1110 1010 EA 9.5 dB 1010 1101 AD –21 dB 0111 0000 70 –51.5 dB 0011 0011 33 –82 dB 1110 1001 E9 9 dB 1010 1100 AC –21.5 dB 0110 1111 6F –52 dB 0011 0010 32 –82.5 dB 1110 1000 E8 8.5 dB 1010 1011 AB –22 dB 0110 1110 6E –52.5 dB 0011 0001 31 –83 dB 1110 0111 E7 8 dB 1010 1010 AA –22.5 dB 0110 1101 6D –53 dB 0011 0000 30 –83.5 dB 1110 0110 E6 7.5 dB 1010 1001 A9 –23 dB 0110 1100 6C –53.5 dB 0010 1111 2F –84 dB 1110 0101 E5 7 dB 1010 1000 A8 –23.5 dB 0110 1011 6B –54 dB 0010 1110 2E –84.5 dB 1110 0100 E4 6.5 dB 1010 0111 A7 –24 dB 0110 1010 6A –54.5 dB 0010 1101 2D –85 dB 1110 0011 E3 6 dB 1010 0110 A6 –24.5 dB 0110 1001 69 –55 dB 0010 1100 2C –85.5 dB 1110 0010 E2 5.5 dB 1010 0101 A5 –25 dB 0110 1000 68 –55.5 dB 0010 1011 2B –86 dB 1110 0001 E1 5 dB dB 1010 0100 A4 –25.5 dB 0110 0111 67 –56 dB 0010 1010 2A –86.5 dB 1110 0000 E0 4.5 dB 1010 0011 A3 –26 dB 0110 0110 66 –56.5 dB 0010 1001 29 –87 dB 1101 1111 DF 4 dB 1010 0010 A2 –26.5 dB 0110 0101 65 –57 dB 0010 1000 28 –87.5 dB Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 67 Product Folder Link(s): PCM5310 |
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