TDA7403_02 Datasheet, PDF (22/25 Pages) STMicroelectronics – BASIC SIGNAL PROCESSOR

TDA7403
Noiseblanker
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
0
0
0 Low Threshold 65mV
0
0
1 Low Threshold 60mV
0
1
0 Low Threshold 55mV
0
1
1 Low Threshold 50mV
1
0
0 Low Threshold 45mV
1
0
1 Low Threshold 40mV
1
1
0 Low Threshold 35mV
1
1
1 Low Threshold 30mV
0
0
0
1
1
0
1
1
Noise Controlled Threshold 320mV
Noise Controlled Threshold 260mV
Noise Controlled Threshold 200mV
Noise Controlled Threshold 140mV
0
Noise blanker OFF
1
Noise blanker ON
0
0
0
1
1
0
1
1
Over deviation Adjust 2.8V
Over deviation Adjust 2.0V
Over deviation Adjust 1.2V
Over deviation Detector OFF
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
D7 D6 D5 D4 D3 D2 D1 D0
1
1
1
1
1
1
1
1 setting fix
FUNCTION
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