參數(shù)資料
型號: TDA7439B
廠商: 意法半導(dǎo)體
英文描述: THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR
中文描述: 三頻段數(shù)字控制音頻處理器
文件頁數(shù): 13/19頁
文件大小: 167K
代理商: TDA7439B
13/19
TDA7439
Table 11. MIDDLE SELECTION
Table 12. TREBLE SELECTION
MSB
LSB
MIDDLE
D7
D6
D5
D4
D3
D2
D1
D0
2dB STEPS
0
0
0
0
-14dB
0
0
0
1
-12dB
0
0
1
0
-10dB
0
0
1
1
-8dB
0
1
0
0
-6dB
0
1
0
1
-4dB
0
1
1
0
-2dB
0
1
1
1
0dB
1
1
1
1
0dB
1
1
1
0
2dB
1
1
0
1
4dB
1
1
0
0
6dB
1
0
1
1
8dB
1
0
1
0
10dB
1
0
0
1
12dB
1
0
0
0
14dB
MSB
LSB
TREBLE
D7
D6
D5
D4
D3
D2
D1
D0
2dB STEPS
0
0
0
0
-14dB
0
0
0
1
-12dB
0
0
1
0
-10dB
0
0
1
1
-8dB
0
1
0
0
-6dB
0
1
0
1
-4dB
0
1
1
0
-2dB
0
1
1
1
0dB
1
1
1
1
0dB
1
1
1
0
2dB
1
1
0
1
4dB
1
1
0
0
6dB
1
0
1
1
8dB
1
0
1
0
10dB
1
0
0
1
12dB
1
0
0
0
14dB
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