STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 131

• Manufacturer Part Number: STA381BWSTR
• Description: Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
• Manufacturer: STMicroelectronics

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

STA381BWS
Figure 39. Basic limiter and volume flow diagram
Table 146. Limiter attack rate as a
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
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
Register description: Sound Terminal compatibility
Atten uatio n
Limiter
+
Table 147. Limiter release rate as a
LxR[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Saturatio n
RMS
Release rate dB/ms
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
131/171
Slow
Fast