STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 75
STA381BWSTR
Manufacturer Part Number
STA381BWSTR
Description
Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
Manufacturer
STMicroelectronics
Datasheet
1.STA381BWSTR.pdf
(171 pages)
Specifications of STA381BWSTR
Product Category
Audio DSPs
Rohs
yes
Operating Supply Voltage
4.5 V to 25.5 V
Operating Temperature Range
0 C to + 150 C
Mounting Style
SMD/SMT
Package / Case
VQFN-48
Snr
100 dB
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STA381BWS
Figure 25. Basic limiter and volume flow diagram
Table 67.
LxA[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Gain / Vo lume
In p ut
Limiter attack rate as a
function of LxA bits
Attack rate dB/ms
3.1584
2.7072
2.2560
1.8048
1.3536
0.9024
0.4512
0.2256
0.1504
0.1123
0.0902
0.0752
0.0645
0.0564
0.0501
0.0451
Gain
Doc ID 018937 Rev 6
Slow
Fast
Atten uatio n
Limiter
+
Table 68.
LxR[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Register description: New Map
Saturatio n
RMS
Release rate dB/ms
Limiter release rate as a
function of LxR bits
0.5116
0.1370
0.0744
0.0499
0.0360
0.0299
0.0264
0.0208
0.0198
0.0172
0.0147
0.0137
0.0134
0.0117
0.0110
0.0104
Outp ut
Slow
75/171
Fast
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