參數(shù)資料
型號(hào): TDA7402
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁數(shù): 57/69頁
文件大?。?/td> 865K
代理商: TDA7402
I2C bus interface
TDA7402
Table 31.
Noiseblanker II (24)
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
0
1
PEAK charge current
low
high
0
1
1
0
1
0
1
Fieldstrength adjust
2.3V
1.8V
1.3V
OFF
0
1
1
0
1
0
1
Blank Time FM / AM
38s / 1.2ms
25.5s / 800s
32s / 1.0s
22s / 640s
0
1
1
0
1
0
1
Noise rectifier discharge resistor
R = infinite
RDC = 56k
RDC = 33k
RDC = 18k
0
1
Strong multipath influence on PEAK 18k
off
on (18k discharge if VMPout< 2.5V)
Table 32.
AM / FM noiseblanker (25)
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
0
1
Stereo decoder mode
FM
AM
0
1
1
0
1
0
1
1
0
1
0
1
0
1
0
1
AM rectifier gain
6dB
8dB
10dB
12dB
14dB
16dB
18dB
20dB
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