ADAV4601 datasheet(41/60 Pages) AD

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ADAV4601

Rev. B | Page 41 of 60

Bit No.

Bit Name

Description

Default

Bits[4:0]

Decay time

These register bits control the decay time for the limiter in the range of 10 dB/s to 320 dB/s in

10 dB/s steps.

00000

0x00 = 10 dB/s (~870 ms)

0x01 = 20 dB/s (~435 ms)

0x02 = 30 dB/s (~289 ms)

0x03 = 40 dB/s (~217 ms)

0x04 = 50 dB/s (~173 ms)

0x05 = 60 dB/s (~144 ms)

0x06 = 70 dB/s (~124 ms)

0x07 = 80 dB/s (~108 ms)

0x08 = 90 dB/s (~96 ms)

0x09 = 100 dB/s (~86 ms)

0x0A = 110 dB/s (~78 ms)

0x0B = 120 dB/s (~72 ms)

0x0C = 130 dB/s (~66 ms)

0x0D = 140 dB/s (~62 ms)

0x0E = 150 dB/s (~57 ms)

0x0F = 160 dB/s (~54 ms)

0x10 = 170 dB/s (~51 ms)

0x11 = 180 dB/s (~48 ms)

0x12 = 190 dB/s (~45 ms)

0x13 = 200 dB/s (~43 ms)

0x14 = 210 dB/s (~41 ms)

0x15 = 220 dB/s (~39 ms)

0x16 = 230 dB/s (~37 ms)

0x17 = 240 dB/s (~36 ms)

0x18 = 250 dB/s (~34 ms)

0x19 = 260 dB/s (~33 ms)

0x1A = 270 dB/s (~32 ms)

0x1B = 280 dB/s (~31 ms)

0x1C = 290 dB/s (~29 ms)

0x1D = 300 dB/s (~28 ms)

0x1E = 310 dB/s (~28 ms)

0x1F = 320 dB/s (~27 ms)

Address 0x0117 Woofer Peak Limiter Control Register (Default: 0x0F00)

Table 33.

Bit No.

Bit Name

Description

Default

Bits[15:13]

Reserved

Always write as 0 if writing to this register.

000

Bits[12:8]

Post gain

These register bits control the post gain in the range of +15 dB to −15 dB in +1 dB steps.

01111

0x00 = +15 dB

0x01 = +14 dB

…

0x08 = +7 dB

…

0x0F = 0 dB

…

0x16 = −7 dB

…

0x1D = −14 dB

0x1E = −15 dB

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