TDA7400 ST Microelectronics, TDA7400 Datasheet - Page 25

• Manufacturer Part Number: TDA7400
• Description: ADVANCED CAR SIGNAL PROCESSOR
• Manufacturer: ST Microelectronics

Fieldstrength Control (subaddress CH)
Configuration (subaddress DH)
MSB
MSB
D7
D7
0
1
0
0
1
1
D6
D6
0
0
1
1
0
1
0
1
D5
D5
0
1
0
1
0
1
D4
D4
0
0
1
1
0
1
D3
D3
0
1
0
1
0
1
0
1
D2
D2
0
0
0
0
1
1
1
1
0
0
1
1
D1
D1
0
0
1
1
0
0
1
1
0
0
1
1
LSB
LSB
D0
D0
0
1
0
1
0
1
0
1
0
1
0
1
VSBL at 29% REF 5V
VSBL at 33% REF 5V
VSBL at 38% REF 5V
VSBL at 42% REF 5V
VSBL at 46% REF 5V
VSBL at 50% REF 5V
VSBL at 54% REF 5V
VSBL at 58% REF 5V
Noiseblanker Field strength Adj 2.3V
Noiseblanker Field strength Adj 1.8V
Noiseblanker Field strength Adj 1.3V
Noiseblanker Field strength Adj OFF
Quality Detector Coefficient a = 0.7
Quality Detector Coefficient a = 0.85
Quality Detector Coefficient a = 1.0
Quality Detector Coefficient a = 1.15
Multipath off influence on PEAK discharge
-1V/ms (at MPout = 2.5V
Noise Rectifier Discharge Resistor
R = infinite
R = 56k
R = 33k
R =18k
Multipath Detector Bandpass Gain
6dB
12dB
16dB
18dB
Multipath Detector internal influence
ON
OFF
Multipath Detector Charge Current 0.5 A
Multipath Detector Charge Current 1 A
Multipath Detector Reflection Gain
Gain = 7.6dB
Gain = 4.6dB
Gain = 0dB
disabled
FUNCTION
FUNCTION
TDA7400
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