ADAU1761BCPZ-R7 datasheet(55/92 Pages) AD

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Data Sheet

ADAU1761

CONTROL REGISTERS

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Rev. F | 55 of 92

Table 47. Record Mixer Right (Mixer 2) Control 0 Register (Continued)

Bits

Bit Name

Description

010

−9 dB

011

−6 dB

100

−3 dB

101

0 dB

110

3 dB

111

6 dB

[3:1]

RINNG[2:0]

Gain for a right channel single-ended input from the RINN pin, input to Mixer 2.

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

MX2EN

Right channel mixer enable in the record path. Referred to as Mixer 2.

0 = mixer disabled (default).

1 = mixer enabled.

R7: Record Mixer Right (Mixer 2) Control 1, 16,397 (0x400D)

This register controls the gain boost of the right channel differential PGA input and the gain for the right channel auxiliary input in the record

path. The right channel record mixer is referred to as Mixer 2.

Table 48.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

RDBOOST[1:0]

MX2AUXG[2:0]

Table 49. Record Mixer Right (Mixer 2) Control 1 Register

Bits

Bit Name

Description

[4:3]

RDBOOST[1:0]

Right channel differential PGA input gain boost, input to Mixer 2. The right differential input uses the RINP (positive signal) and RINN

(negative signal) pins.

Setting

Gain Boost

Mute (default)

0 dB

20 dB

Reserved

[2:0]

MX2AUXG[2:0]

Right single-ended auxiliary input gain from the RAUX pin in the record path, input to Mixer 2.

Setting

Auxiliary Input 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

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