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PCM3793A Datasheet(PDF) 33 Page - Burr-Brown (TI) |
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PCM3793A Datasheet(HTML) 33 Page - Burr-Brown (TI) |
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33 / 68 page  www.ti.com PCM3793A PCM3794A SLAS529A – JANUARY 2007 – REVISED FEBRUARY 2007 Registers 66 and 67 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 Register 66 0 IDX6 IDX5 IDX4 IDX3 IDX2 IDX1 IDX0 RSV SMUL SLV5 SLV4 SLV3 SLV2 SLV1 SLV0 Register 67 0 IDX6 IDX5 IDX4 IDX3 IDX2 IDX1 IDX0 RSV SMUR SRV5 SRV4 SRV3 SRV2 SRV1 SRV0 IDX[6:0]: 100 0010b (42h): Register 66 IDX[6:0]: 100 0011b (43h): Register 67 SMUL: Digital Soft Mute Control for SPL (Speaker Output, L-Channel) SMUR: Digital Soft Mute Control for SPR (Speaker Output R-Channel) Default value: 1 SPOLP/SPOLN and SPORP/SPORN can be independently muted to the zero level when SMUL and SMUR = 1. These settings have precedence over analog volume level settings. SMUL, SMUR = 0 Mute disabled SMUL, SMUR = 1 Mute enabled (default) SLV[5:0]: Gain Setting for SPL (Speaker Output L-Channel) SRV[5:0]: Gain Setting for SPR (Speaker Output R-Channel) Default value: 00 0000. SPOLP/SPOLN and SPORP/SPORN can be independently controlled between 6 dB and –70 dB, with step size depending on the gain level as shown in Table 8. Outputs may have zipper noise while changing levels. This noise can be reduced by selecting zero-cross detection (register 86, ZCRS). Table 8. Speaker Gain Level Setting SLV[5:0], GAIN LEVEL SLV[5:0], GAIN LEVEL SLV[5:0], GAIN LEVEL STEP STEP STEP SRV[5:0] SETTING SRV[5:0] SETTING SRV[5:0] SETTING 11 1111 3F 6 dB 10 1001 29 –5 dB 01 0011 13 –21 dB 11 1110 3E 5.5 dB 10 1000 28 –5.5 dB 01 0010 12 –22 dB 1 dB 11 1101 3D 5 dB 10 0111 27 –6 dB 01 0001 11 –23 dB 11 1100 3C 4.5 dB 10 0110 26 –6.5 dB 01 0000 10 –24 dB 11 1011 3B 4 dB 10 0101 25 –7 dB 00 1111 0F –26 dB 11 1010 3A 3.5 dB 10 0100 24 –7.5 dB 00 1110 0E –28 dB 11 1001 39 3 dB 10 0011 23 0.5 dB –8 dB 00 1101 0D –30 dB 11 1000 38 2.5 dB 10 0010 22 –8.5 dB 00 1100 0C –32 dB 11 0111 37 2 dB 10 0001 21 –9 dB 00 1011 0B 2 dB –34 dB 11 0110 36 1.5 dB 10 0000 20 –9.5 dB 00 1010 0A –36 dB 11 0101 35 1 dB 01 1111 1F –10 dB 00 1001 09 –38 dB 0.5 dB 11 0100 34 0.5 dB 01 1110 1E –10.5 dB 00 1000 08 –40 dB 11 0011 33 0 dB 01 1101 1D –11 dB 00 0111 07 –42 dB 11 0010 32 –0.5 dB 01 1100 1C –12 dB 00 0110 06 –46 dB 11 0001 31 –1 dB 01 1011 1B –13 dB 00 0101 05 –50 dB 11 0000 30 –1.5 dB 01 1010 1A –14 dB 00 0100 04 –54 dB 10 1111 2F –2 dB 01 1001 19 –15 dB 00 0011 03 4 dB –58 dB 10 1110 2E –2.5 dB 01 1000 18 1 dB –16 dB 00 0010 02 –62 dB 10 1101 2D –3 dB 01 0111 17 –17 dB 00 0001 01 –66 dB 10 1100 2C –3.5 dB 01 0110 16 –18 dB 00 0000 00 –70 dB 10 1011 2B –4 dB 01 0101 15 –19 dB 10 1010 2A – 4.5 dB 01 0100 14 –20 dB 33 Submit Documentation Feedback |
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Similar Description - PCM3793A |
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