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ADAU1761BCPZ-R7 데이터시트(PDF) 53 Page - Analog Devices |
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ADAU1761BCPZ-R7 데이터시트(HTML) 53 Page - Analog Devices |
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53 / 92 page ![]() Data Sheet ADAU1761 CONTROL REGISTERS analog.com Rev. F | 53 of 92 Table 41. Record Power Management Register Bits Bit Name Description [6:5] MXBIAS[1:0] Mixer amplifier bias boost. Sets the boost level for the bias current of the record path mixers. In some cases, the boost level enhances the THD + N performance. Setting Boost Level 00 Normal operation (default) 01 Boost Level 1 10 Boost Level 2 11 Boost Level 3 [4:3] ADCBIAS[1:0] ADC bias control. Sets the bias current for the ADCs based on the mode of operation selected. Setting ADC Bias Control 00 Normal operation (default) 01 Extreme power saving 10 Enhanced performance 11 Power saving [2:1] RBIAS[1:0] Record path bias control. Sets the bias current for the PGAs and mixers in the record path. Setting Record Path Bias Control 00 Normal operation (default) 01 Reserved 10 Enhanced performance 11 Power saving R4: Record Mixer Left (Mixer 1) Control 0, 16,394 (0x400A) This register controls the gain of single-ended inputs for the left channel record path. The left channel record mixer is referred to as Mixer 1. Table 42. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved LINPG[2:0] LINNG[2:0] MX1EN Table 43. Record Mixer Left (Mixer 1) Control 0 Register Bits Bit Name Description [6:4] LINPG[2:0] Gain for a left channel single-ended input from the LINP pin, input to Mixer 1. Setting Gain 000 Mute (default) 001 −12 dB 010 −9 dB 011 −6 dB 100 −3 dB 101 0 dB 110 3 dB 111 6 dB [3:1] LINNG[2:0] Gain for a left channel single-ended input from the LINN pin, input to Mixer 1. Setting Gain 000 Mute (default) 001 −12 dB 010 −9 dB 011 −6 dB 100 −3 dB 101 0 dB |
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