STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 134

• 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

Register description: Sound Terminal compatibility
7.11.7
7.11.8
Note:
7.12
7.12.1
7.12.2
7.12.3
7.12.4
134/171
Limiter 2 extended attack threshold (addr 0x34)
The extended attack threshold value is determined as follows:
To enable this feature, the EATHEN2 bit must be set to 1.
Limiter 2 extended release threshold (addr 0x35)
The extended release threshold value is determined as follows:
To enable this feature, the ERTHEN2 bit must be set to 1.
Attack/release threshold step is 0.125 dB in the range -12 dB to 0 dB.
User-defined coefficient control registers (addr 0x16 - 0x26)
Coefficient address register
Coefficient b1 data register bits 23:16
Coefficient b1 data register bits 15:8
Coefficient b1 data register bits 7:0
ERTHEN2
EATHEN2
Reserved
C1B23
C1B15
C1B7
D7
D7
D7
D7
D7
D7
attack threshold = -12 + EATH2 / 4
release threshold = -12 + ERTH2 / 4
0
0
0
0
0
0
ERTH2[6]
EATH2[6]
Reserved
C1B22
C1B14
C1B6
D6
D6
D6
D6
D6
D6
0
0
0
0
0
0
ERTH2[5]
EATH2[5]
C1B21
C1B13
C1B5
CFA5
D5
D5
D5
D5
D5
D5
1
1
0
0
0
0
Doc ID 018937 Rev 6
ERTH2[4]
EATH2[4]
C1B20
C1B12
C1B4
CFA4
D4
D4
D4
D4
D4
D4
1
1
0
0
0
0
ERTH2[3]
EATH2[3]
C1B19
C1B11
C1B3
CFA3
D3
D3
D3
D3
D3
D3
0
0
0
0
0
0
ERTH2[2]
EATH2[2]
C1B18
C1B10
C1B2
CFA2
D2
D2
D2
D2
D2
D2
0
0
0
0
0
0
ERTH2[1]
EATH2[1]
C1B17
C1B9
C1B1
CFA1
D1
D1
D1
D1
D1
D1
0
0
0
0
0
0
STA381BWS
ERTH2[0]
EATH2[0]
C1B16
C1B8
C1B0
CFA0
D0
D0
D0
D0
D0
D0
0
0
0
0
0
0