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參數(shù)資料
| 型號： | TDA7421 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS |
| 中文描述： | AM / FM調(diào)諧的汽車收音機(jī)及音響應(yīng)用 |
| 文件頁數(shù)： | 32/38頁 |
| 文件大?。?/td> | 527K |
| 代理商： | TDA7421 |
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FM SOFT MUTE / FM AUDIO MUTE GAIN
(subaddress 08H)
MSB
FSM3
LSB
AUM0
FUNCTION
FSM2
FSM1
FSM0
AUM2
AUM1
fmsoftmute
MSB
0
X
1
fmsoftmutefmsoftmutefmsoftmute
LSB
0
X
1
buff1 gain
MSB
buff1 gain buff1 gain
LSB
FM SOFT MUTE
THRESHOLD
Maximum sensitivity
Minimum sensitivity
Audio max mute atten.
(dB) with bit FMHIGH
byte 0 = 1
-2.5
-5
-7.5
-10
-12.5
-15
Audio max mute atten.
(dB) with bit FMHIGH
byte 0 = 0
-17.5
-20
-22.5
-25
-27.5
-30
0
X
1
0
X
1
all combinations allowed
0
0
1
0
1
1
0
1
0
1
1
1
1
0
0
1
0
1
0
0
1
0
1
1
0
1
0
1
1
1
1
0
0
1
0
1
all else not allowed
FM HOLE DETECTOR / FM DETUNING DETECTOR
(subaddress 09H)
MSB
BWM2
LSB
HDM0
FUNCTION
BWM1
BWM0
HDM4
HDM3
HDM2
HDM1
BW MSB
BW
BW LSB
Hole det
MSB
0
X
1
Hole det
Hole det
Hole det
Hole det
LSB
0
X
1
MUTING SENSITIVITY
0
X
1
all combinations allowed
0
X
1
0
X
1
Minimum (deep hole)
Maximum (shallow hole)
RECEPTION
0
1
0
all else not allowed
SEEK
0
X
1
all combinations allowed
DETUNING MUTE RANGE
10 (KHz)
15 (KHz)
30 (KHz)
0
0
1
1
0
0
CLAMPING WINDOW
Minimal Window
Intermediate values
Maximal Window
0
X
1
0
X
1
TDA7421
32/38
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| TDA7427A | AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7421N | 制造商:ST 功能描述:AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS |
| TDA7427 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AAD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AAD1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
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