TDA7402 Datasheet, PDF (31/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR

TDA7402
2.5 MULTIPATH Detector
2.5.1 Features:
s internal 19kHz band-pass filter
s programmable band-pass- and rectifier-gain
s selectable internal influence on Stereoblend and/or Highcut
2.5.2 ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
f_CMP Center frequency of Multipath- stereodecoder locked on Pilottone
19
kHz
Bandpass
G_BPMP Bandpass Gain
G1
G2
6
dB
12
dB
G3
16
dB
G4
18
dB
G_RECTMP
G1
Rectifier Gain
G2
7.6
dB
4.6
dB
G3
0
dB
I_CHMP Rectifier Charge Current
0.25
µA
0.5
I_DISMP Rectifier Discharge Current
4
mA
QUALITY DETECTOR
A
Multipath Influence Factor
00
0.70
01
0.85
10
1.00
11
1.15
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