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ADAU1772BCPZ-R7 数据表(PDF) 108 Page - Analog Devices

部件名 ADAU1772BCPZ-R7
功能描述  Four ADC, Two DAC Low Power Codec
PDF  117 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADAU1772BCPZ-R7 数据表(HTML) 108 Page - Analog Devices

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Data Sheet
ADAU1772
Rev. C | Page 107 of 116
Table 97. Bit Descriptions for BIAS_CONTROL0
Bits
Bit Name
Settings
Description
Reset
Access
[7:6]
HP_IBIAS
Headphone output bias current setting. Higher bias currents result in
higher performance.
0x0
RW
00
Normal operation (default)
01
Extreme power saving
10
Enhanced performance
11
Power saving
[5:4]
AFE_IBIAS01
Analog Front-End 0 and Analog Front-End 1 bias current setting. Higher
bias currents result in higher performance.
0x0
RW
00
Normal operation (default)
01
Extreme power saving
10
Enhanced performance
11
Power saving
[3:2]
ADC_IBIAS23
ADC2 and ADC3 bias current setting. Higher bias currents result in higher
performance.
0x0
RW
00
Normal operation (default)
01
Reserved
10
Enhanced performance
11
Power saving
[1:0]
ADC_IBIAS01
ADC0 and ADC1 bias current setting. Higher bias currents result in higher
performance.
0x0
RW
00
Normal operation (default)
01
Reserved
10
Enhanced performance
11
Power saving
ANALOG BIAS CONTROL 1 REGISTER
Address: 0x0047, Reset: 0x00, Name: BIAS_CONTROL1
Table 98. Bit Descriptions for BIAS_CONTROL1
Bits
Bit Name
Settings
Description
Reset
Access
6
CBIAS_DIS
Central analog bias circuitry. Higher bias currents result in higher
performance.
0x0
RW
0
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