ADAV4601 datasheet(38/60 Pages) AD

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ADAV4601

Rev. B | Page 38 of 60

Bit No.

Bit Name

Description

Default

Bits[5:0]

Woofer trim

These register bits are used to gain or attenuate the input to the woofer outputs from

−14 dB to +14 dB in +1 dB steps.

001110

0x00 = +14 dB

0x01 = +13 dB

…

0x07 = +7 dB

…

0x0E = 0 dB

…

0x15 = −7 dB

…

0x1B = −13 dB

0x1C = −14 dB

Address 0x010B ADI Bass Control Register (Default: 0x0062)

Table 26.

Bit No.

Bit Name

Description

Default

Bits[15:9]

Reserved

Always write as 0 if writing to this register.

0000000

Bits[8:4]

Boost value

The boost ranges from 0 dB to 31 dB, and it controls the maximum dynamic gain applied to

the algorithm.

00110

0x00 = 0 dB

0x01 = 1 dB

0x02 = 2 dB

0x03 = 3 dB

0x04 = 4 dB

0x05 = 5 dB

0x06 = 6 dB

0x07 = 7 dB

…

0x1E = 30 dB

0x1F = 31 dB

Bits[3:0]

Boost frequency

The boost frequency ranges from 20 Hz to 320 Hz, and it designates the center frequency

for the boosting filter. The frequency is increased in 20 Hz steps.

0010

0x0 = 20 Hz

0x1 = 40 Hz

0x2 = 60 Hz

0x3 = 80 Hz

…

0xE = 300 Hz

0xF = 320 Hz

ADAV4601 Datasheet(PDF) 38 Page - Analog Devices

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