參數(shù)資料
型號(hào): TDA7439B
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP28
封裝: DIP-28
文件頁數(shù): 3/19頁
文件大?。?/td> 169K
代理商: TDA7439B
DATA BYTES (continued)
INPUT GAIN SELECTION
MSB
LSB
INPUT GAIN
D7
D6
D5
D4
D3
D2
D1
D0
2dB STEPS
00
0dB
00
01
2dB
00
10
4dB
00
11
6dB
01
00
8dB
0
1
0
1
10dB
0
1
0
12dB
0
1
14dB
1
0
16dB
1
0
1
18dB
1
0
1
0
20dB
1
0
1
22dB
1
0
24dB
1
0
1
26dB
1
0
28dB
1
30dB
GAIN = 0 to 30dB
VOLUME SELECTION
MSB
LSB
VOLUME
D7
D6
D5
D4
D3
D2
D1
D0
1dB STEPS
0
0dB
0
1
-1dB
0
1
0
-2dB
0
1
-3dB
1
0
-4dB
1
0
1
-5dB
1
0
-6dB
1
-7dB
0
000
0dB
0
1
-8dB
0
1
0
-16dB
0
1
-24dB
0
1
0
-32dB
0
1
0
1
-40dB
X
1
X
MUTE
VOLUME = 0 to 47dB/MUTE
TDA7439
11/19
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