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TDA7512 データシート(PDF) 29 Page - STMicroelectronics

部品番号 TDA7512
部品情報  AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS
PDF  42 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7512 データシート(HTML) 29 Page - STMicroelectronics

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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
µΑ, discharge current 6µΑ
00
1
charge current 32
µΑ, discharge current 8µΑ
01
0
charge current 30
µΑ, discharge current 10µΑ
01
1
charge current 28
µΑ, discharge current 12µΑ
--
-
-
11
1
charge current 20
µΑ, discharge current 20µΑ
0
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
1
DEV threshold for ISS narrow/wide 75kHz
0
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
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
µV antenna level
00
1
Startpoint mute 1in application about 4dB
µV antenna level
--
-
-
11
1
Startpoint mute 7in application about 10dB
µV antenna level
0
0
0
0
Mute depth 0 in application 18dB
0
0
0
1
Mute depth 1 in application 20dB
0
0
1
0
Mute depth 2 in application 22dB
0
0
1
1
Mute depth 3 in application 24dB
-
-
-
-
- (logarithmically behaviour)
1
1
1
1
Mute depth 15 in application 36dB
0
Mute disable
1
Mute enable



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