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參數(shù)資料
| 型號： | TDA7512 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁數(shù)： | 22/43頁 |
| 文件大?。?/td> | 833K |
| 代理商： | TDA7512 |
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TDA7512
2.3.11 Addr 11 Quality Deviation Detection
2.3.12 Addr 12 Softmute Control 1
Table 19.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
00
0
charge current 34
Α, discharge current 6Α
00
1
charge current 32
Α, discharge current 8Α
01
0
charge current 30
Α, discharge current 10Α
01
1
charge current 28
Α, discharge current 12Α
--
-
11
1
charge current 20
Α, discharge current 20Α
0
DEV threshold for ISS narrow/wide 30kHz
0
1
DEV threshold for ISS narrow/wide 45kHz
1
0
DEV threshold for ISS narrow/wide 60kHz
1
DEV threshold for ISS narrow/wide 75kHz
0
DEV threshold for ISS filter “OFF” ratio 1.5
0
1
DEV threshold for ISS filter “OFF” ratio 1.4
1
0
DEV threshold for ISS filter “OFF” ratio 1.3
1
DEV threshold for ISS filter “OFF” ratio 1
0
Disable ISS filter to fixed bandwith (ISS80) in automatic control
1
Enable ISS filter to fixed bandwith (ISS80) in automatic control
Table 20.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
00
0
Startpoint mute 0 in application about 3dB
V antenna level
00
1
Startpoint mute 1in application about 4dB
V antenna level
--
-
11
1
Startpoint mute 7in application about 10dB
V antenna level
0
Mute depth 0 in application 18dB
0
1
Mute depth 1 in application 20dB
0
1
0
Mute depth 2 in application 22dB
0
1
Mute depth 3 in application 24dB
-
- (logarithmically behaviour)
1
Mute depth 15 in application 36dB
0
Mute disable
1
Mute enable
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