參數(shù)資料
型號(hào): TDA7409D
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20
封裝: SOP-20
文件頁(yè)數(shù): 11/25頁(yè)
文件大小: 299K
代理商: TDA7409D
19/25
TDA7409
2.5.5 Bass Programming
Note 3: For more information please refer to section Bass description
2.5.6 Speaker Attenuator Left Front
MSB
LSB
BASS & TREBLE PROGRAMMING
D7
D6
D5
D4
D3
D2
D1
D0
0
1
1
1
0
1
0
1
1
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Bass Steps
15dB
14dB
13dB
12dB
11dB
10dB
9dB
8dB
7dB
6dB
5dB
4dB
3dB
2dB
1dB
0dB
0
1
Mode
Cut
Boost
0
1
1
0
1
0
1
Quality Factor
1
1.25
1.5
2
0
1
DC - Mode
Off
On
MSB
LSB
ATTENUATION / BASS CF
D7
D6
D5
D4
D3
D2
D1
D0
0
:
0
1
0
:
1
X
0
:
0
1
X
0
:
1
0
1
X
0
:
1
0
1
0
1
X
0
1
:
1
0
1
0
1
0
1
0
1
X
Attenuation
0 dB
-1 dB
:
-23 dB
-24.5dB
-26
dB
-28 dB
-30
dB
-32
dB
-35
dB
-40
dB
-50
dB
Speaker Mute
0
1
1
0
1
0
1
Bass Center-Frequency
60Hz
80Hz
100Hz
200Hz
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