參數(shù)資料
型號(hào): EVAL-ADAU1381Z
廠商: Analog Devices Inc
文件頁數(shù): 66/84頁
文件大小: 0K
描述: BOARD EVALUATION FOR ADAU1381
標(biāo)準(zhǔn)包裝: 1
主要目的: 音頻編解碼器
嵌入式:
已用 IC / 零件: ADAU1381
已供物品:
相關(guān)產(chǎn)品: ADAU1381BCBZ-RL7DKR-ND - IC AUDIO CODEC STEREO LN 30WLCSP
ADAU1381BCBZ-RL7CT-ND - IC AUDIO CODEC STEREO LN 30WLCSP
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ADAU1381
Rev. B | Page 69 of 84
Register 16427 (0x402B), Left DAC Attenuator
Bits[7:0], Left DAC Digital Attenuator
These bits control a 256-step, logarithmically spaced volume
control from 0 dB to 95.625 dB, in increments of 0.375 dB.
When a new value is entered into this register, the volume control
slews gradually to the new value, avoiding pops and clicks in the
process. The slew ramp is logarithmic, incrementing 0.375 dB
per audio frame.
Register 16428 (0x402C), Right DAC Attenuator
Bits[7:0], Right DAC Digital Attenuator
These bits control a 256-step, logarithmically spaced volume
control from 0 dB to 95.625 dB, in increments of 0.375 dB.
When a new value is entered into this register, the volume control
slews gradually to the new value, avoiding pops and clicks in the
process. The slew ramp is logarithmic, incrementing 0.375 dB
per audio frame.
Table 57. Left DAC Attenuator Register
Bits
Description
Default
[7:0]
Left DAC digital attenuator, in increments of 0.375 dB with each step of slewing
00000000
00000000: 0 dB
00000001: 0.375 dB
00000010: 0.75 dB
11111110: 95. 25
11111111: 95.625 dB
Table 58. Right DAC Attenuator Register
Bits
Description
Default
[7:0]
Right DAC digital attenuator, in increments of 0.375 dB with each step of slewing
00000000
00000000: 0 dB
00000001: 0.375 dB
00000010: 0.75 dB
11111110: 95. 25
11111111: 95.625 dB
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