參數(shù)資料
型號: TDA7405
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁數(shù): 41/57頁
文件大小: 750K
代理商: TDA7405
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7405
46/57
Table 21. EQ-Configuration / Bass (10)
Table 22. Compander (11)
Note: 1. The SoftStep-Times are only programmable while the Compander is not used.
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
1
0
1
0
1
EQ Filter Rear Path
no Filter
High-Filter
Low-Filter
High+Low-Filter
0
1
1
0
1
0
1
EQ Filter Front Path
no Filter
High-Filter
Low-Filter
High+Low-Filter
0
1
AM Noisebl. SoftUnMute
On
Off
0
1
1
0
1
0
1
1
0
1
0
1
0
1
0
1
Bass Center-Frequency
60Hz
80Hz
70Hz
90Hz
100Hz
130Hz
150Hz
200Hz
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
1
0
1
0
1
Activity / Reference Level
off
0.5VRMS
1VRMS
2VRMS
0
1
1
0
1
0
1
Attack-Times
6ms
12ms
24ms
49ms
0
1
1
0
1
0
1
Release-Times
390ms
780ms
1.17s
1.56s
0
1
1
0
1
1
0
1
0
1
0
1
0
1
0
1
SoftStep-Time1)
160s
320s
640s
1.28ms
2.56ms
5.12ms
10.2ms
20.4ms
0
1
Compander max. Gain
29dB
19dB
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