TDA7405 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7405' PDF : 56 Pages View PDF
TDA7405
Table 21. EQ-Configuration / Bass (10)
MSB
D7 D6 D5 D4 D3 D2 D1
0
0
1
1
0
0
0
1
1
0
1
1
0
1
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
LSB
D0
0
1
0
1
FUNCTION
EQ Filter Rear Path
no Filter
High-Filter
Low-Filter
High+Low-Filter
EQ Filter Front Path
no Filter
High-Filter
Low-Filter
High+Low-Filter
AM Noisebl. SoftUnMute
On
Off
Bass Center-Frequency
60Hz
80Hz
70Hz
90Hz
100Hz
130Hz
150Hz
200Hz
Table 22. Compander (11)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
FUNCTION
Activity / Reference Level
0
0 off
0
1 0.5VRMS
1
0 1VRMS
1
1 2VRMS
0
0
0
1
1
0
1
1
Attack-Times
6ms
12ms
24ms
49ms
0
0
0
1
1
0
1
1
Release-Times
390ms
780ms
1.17s
1.56s
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
SoftStep-Time1)
160µs
320µs
640µs
1.28ms
2.56ms
5.12ms
10.2ms
20.4ms
Compander max. Gain
0
29dB
1
19dB
Note: 1. The SoftStep-Times are only programmable while the Compander is not used.
46/57
Share Link: 
