參數(shù)資料
型號: TDA7540B
廠商: 意法半導(dǎo)體
英文描述: AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)
中文描述: 調(diào)幅/調(diào)頻收音機(jī)調(diào)諧器集成電路汽車與立體聲解碼器和智能識別系統(tǒng)(ISS)的
文件頁數(shù): 48/75頁
文件大?。?/td> 1061K
代理商: TDA7540B
Software specification
TDA7540B
48/75
Addr 11 Quality Deviation Detection
Table 21.
Addr 10 Quality Detection Multipath
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
Multipath control “ON”
1
Multipath control “OFF”
0
MP bandpass frequency 19KHz
1
MP bandpass frequency 31KHz
0
MP gain 12dB
1
MP gain 23dB
0
0
MP threshold 0.50V
0
1
MP threshold 0.75V
1
0
MP threshold 1.00V
1
1
MP threshold 1.25V
0
0
Application mode 1
0
1
Application mode 2
0
Multipath eliminates ac
1
Multipath eliminates ac and ac+
Table 22.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
0
0
charge current 39
μ
A
,
discharge current 1
μ
A
0
0
1
charge current 37
μ
A
,
discharge current 3
μ
A
0
1
0
charge current 35
μ
A
,
discharge current 5
μ
A
0
1
1
charge current 33
μ
A
,
discharge current 7
μ
A
-
-
-
-
1
1
1
charge current 25
μ
A
,
discharge current 15
μ
A
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
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