ADAU1761BCPZ-R7 datasheet(57/93 Pages) AD

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Data Sheet

ADAU1761

Rev. D | Page 57 of 93

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

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

LDBOOST[1:0]

MX1AUXG[2:0]

Table 39. Record Mixer Left (Mixer 1) Control 1 Register

Bits

Bit Name

Description

[4:3]

LDBOOST[1:0]

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

Gain Boost

Mute (default)

0 dB

20 dB

Reserved

[2:0]

MX1AUXG[2:0]

Left single-ended auxiliary input gain from the LAUX pin in the record path, input to Mixer 1.

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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