参数资料
型号: ADAU1382BCPZ
厂商: ANALOG DEVICES INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封装: 5 X 5 MM, ROHS COMPLIANT, MO-220VHHD2, LFCSP-32
文件页数: 59/84页
文件大小: 1193K
代理商: ADAU1382BCPZ
ADAU1382
Rev. 0 | Page 62 of 84
Register 16410 (0x401A), Left ADC Attenuator
Bits[7:0], Left ADC 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 16411 (0x401B), Right ADC Attenuator
Bits[7:0], Right ADC 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 45. Left ADC Attenuator Register
Bits
Description
Default
[7:0]
Left ADC digital attenuator; attenuation is 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 dB
11111111: 95.625 dB
Table 46. Right ADC Attenuator Register
Bits
Description
Default
[7:0]
Right ADC digital attenuator; attenuation is 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 dB
11111111: 95.625 dB
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