TDA7412 ST Microelectronics, TDA7412 Datasheet - Page 49

• Manufacturer Part Number: TDA7412
• Description: CARRADIO SIGNAL PROCESSOR
• Manufacturer: ST Microelectronics

9.6.19Noiseblanker II (24)
9.6.20AM / FM-Noiseblanker (25)
MSB
MSB
D
D
0
1
1
7
7
D
D
0
0
1
1
1
6
6
D
D
0
1
0
1
0
0
1
1
5
5
D
D
0
0
1
1
0
1
0
1
4
4
D
D
0
1
0
1
0
0
0
0
1
1
1
1
3
3
D
D
0
0
1
1
0
0
1
1
0
0
1
1
2
2
D
D
0
1
0
1
0
1
0
1
0
1
0
1
1
1
LSB
LSB
D
D
0
1
0
1
0
0
PEAK charge current
low
high
Fieldstrength adjust
2.3V
1.8V
1.3V
OFF
Blank Time FM / AM
38µs / 1.2ms
25.5µs / 800µs
32µs / 1.0s
22µs / 640µs
Noise Rectifier Discharge Resistor
R = infinite
R
R
R
Strong Multipath influence on PEAK 18k
off
on (18k discharge if V
Stereodecoder Mode
FM
AM
AM Rectifier Gain
10dB
12dB
14dB
16dB
18dB
20dB
Rectifier Cut-Off Frequency
14.0kHz
18.5kHz
28.0kHz
56.0kHz
must be "1"
6dB
8dB
DC
DC
DC
= 56k
= 33k
= 18k
MPout
FUNCTION
FUNCTION
< 2.5V)
TDA7412
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