Datasheet

LM49350, LM49350RLEVAL
SNAS359D –SEPTEMBER 2008–REVISED JUNE 2012 www.ti.com
Table 53. ADC_ALC_5 (0x85h)
Bits Field Description
4:0 DECAY_RATE This sets the rate at which the ALC will increase gain if it detects the input signal is too small.
DECAY_RATE Time between gain steps (μs)
00000 104
00001 125
00010 167
00011 250
00100 292
00101 396
00110 500
00111 708
01000 896
01001 1250
01010 1396
01011 2000
01100 2708
01101 3500
01110 4750
01111 6250
10000 8000
10001 11000
10010 14000
10011 18500
10100 25000
10101 32000
10110 42000
10111 55000
11000 72500
11001 100000
11010 125000
11011 160000
11100 225000
11101 300000
11110 375000
11111 500000 (0.5s)
7:5 PK_DECAY_RATE PK_DECAY_RATE Max Time to track decay
000 1.3ms
001 2.6ms
010 5.3ms
011 10.6ms
100 21.3ms
101 42.6.3ms
110 85.5ms
111 2.73 secs
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