TDA7461N Datasheet, PDF (28/31 Pages) STMicroelectronics – CAR RADIO SIGNAL PROCESSOR

TDA7461N
Fieldstrength Control
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
0
0 Noiseblanker Field strength Adj 2.3V
0
1 Noiseblanker Field strength Adj 1.8V
1
0 Noiseblanker Field strength Adj 1.3V
1
1 Noiseblanker Field strength Adj OFF
0
0
0
1
1
0
1
1
VSBL at 33% REF 5V
VSBL at 42% REF 5V
VSBL at 50% REF 5V
VSBL at 58% REF 5V
0
0
0
1
1
0
1
1
VHCH at 42% REF 5V
VHCH at 50% REF 5V
VHCH at 58% REF 5V
VHCH at 66% REF 5V
1
VHCL at 17% VHCH
0
VHCL at 33% VHCH
0
High cut OFF
1
High cut ON
Configuration
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
Noise Rectifier Discharge Resistor
0
0 R = infinite
0
1 R = 56kΩ
1
0 R = 33kΩ
1
1 R =18kΩ
0
0
0
1
1
0
1
1
Multipath Detector Bandpass Gain
6dB
16dB
12dB
18dB
Multipath Detector internal influence
0
ON
1
OFF
1
Must be ”1”
0
0
0
1
1
0
1
1
Multipath Detector Reflection Gain
Gain = 7.6dB
Gain = 4.6dB
Gain = 0dB
OFF
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