Analog Devices ADAV4601, Документ по проектированию системы

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ADAV4601 System Design Document Confidential Information
Rev.1 August 2009 Analog Devices Page 79
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. 0000
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 27.
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
…