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AD1986BSTZ Datasheet(PDF) 22 Page - Analog Devices |
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AD1986BSTZ Datasheet(HTML) 22 Page - Analog Devices |
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22 / 52 page  AD1986 Preliminary Technical Data Rev. 0 | Page 22 of 52 AUX VOLUME (REGISTER 0x16) This register controls the AUX_IN gain and mute to the analog mixer section. The volume register contains five bits, generating 32 volume steps of −1.5 dB each for a range of +12.0 dB to −34.5 dB. This does not control the record ADC gain (see Register 0x1C). Reg Name D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default 0x16 AUX Volume LM x x LV4 LV3 LV2 LV1 LV0 RM x x RV4 RV3 RV2 RV1 RV0 0x8888 Table 39. Register Function Controls the left/right channel gains of this input to the analog mixer from +12 dB to −34.5 dB. The least significant bit represents −1.5 dB. L/RM L/RV [4:0] Function Default 0 0 0000 12 dB gain 0 0 1000 0 dB Default 0 1 1111 −34.5 dB attenuation L/RV [4:0] (Left/Right Volume) 1 x xxxx Mute L/RM (Left/Right Mute) Mutes the left/right channels independently. Default: muted (0x1) x Reserved. Default: 0 FRONT DAC VOLUME (REGISTER 0x18) This register controls the front DAC gain and mute to the analog mixer section. The volume register contains five bits, generating 32 volume steps of −1.5 dB each for a range of +12.0 dB to −34.5 dB. Reg Name D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default 0x18 Front DAC Volume LM x x LV4 LV3 LV2 LV1 LV0 RM x x RV4 RV3 RV2 RV1 RV0 0x8888 Table 40. Register Function Controls the left/right channel gains of this input to the analog mixer from +12 dB to −34.5 dB. The least significant bit represents −1.5 dB. L/RM L/RV [4:0] Function Default 0 0 0000 +12 dB gain 0 0 1000 0 dB Default 0 1 1111 −34.5 dB attenuation L/RV [4:0] (Left/Right Volume) 1 x xxxx Mute L/RM (Left/Right Mute) Mutes the left/right channels independently. Default: muted (0x1) x Reserved. Default: 0 |
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