Analog Devices ADAU1961 Manual page 47

R5: Record Mixer Left (Mixer 1) Control 1, 16,395 (0x400B)
This register controls the gain boost of the left channel differential PGA input and the gain for the left channel auxiliary input in the
record path. The left channel record mixer is referred to as Mixer 1.
Bit 7
Table 30. Record Mixer Left (Mixer 1) Control 1 Register
Bits Bit Name
[4:3] LDBOOST[1:0]
[2:0] MX1AUXG[2:0]
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Bit 6 Bit 5
Reserved
Description
Left channel differential PGA input gain boost, input to Mixer 1. The left differential input uses the LINP (positive
signal) and LINN (negative signal) pins.
Setting
00
01
10
11
Left single-ended auxiliary input gain from the LAUX pin in the record path, input to Mixer 1.
Setting
000
001
010
011
100
101
110
111
Bit 4 Bit 3
LDBOOST[1:0]
Gain Boost
Mute (default)
0 dB
20 dB
Reserved
Auxiliary Input Gain
Mute (default)
−12 dB
−9 dB
−6 dB
−3 dB
0 dB
3 dB
6 dB
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Bit 2 Bit 1
MX1AUXG[2:0]
ADAU1961
Bit 0