TDA7402 Datasheet, PDF (26/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR

TDA7402
2.2 ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Conditio n
V_PTHMO0 Pilot Threshold Voltage
for Mono, PTH = 0
PLL
∆f/f Capture Range
DEEMPHASIS and HIGHCUT
τ_DeempFM Deemphasis Timeconstants FM V_LEVEL >> V_HCH
V_LEVEL >> V_HCH
V_LEVEL >> V_HCH
V_LEVEL >> V_HCH
M_FM Highcut Timeconstant Multiplier FM V_LEVEL << V_HCL
τ_DeempAM Deemphasis Timeconstants AM V_LEVEL >> V_HCH
V_LEVEL >> V_HCH
V_LEVEL >> V_HCH
V_LEVEL >> V_HCH
M_AM Highcut Timeconstant Multiplier AM V_LEVEL << V_HCL
REF5V Internal Reference Voltage
L_min min. LEVEL Gain
L_maxs max. LEVEL Gain
L_Gstep LEVEL Gain Step Resolution
see section 2.7
VSBL_min Min. Voltage for Mono
see section 2.8
VSBL_max Max. Voltage for Mono
see section 2.8
VSBL_step Step Resolution
see section 2.8
VHCH_min Min. Voltage for NO Highcut
see section 2.9
VHCH_max Max. Voltage for NO Highcut
see section 2.9
VHCH_step Step Resolution
see section 2.9
VHCL_min Min. Voltage for FULL High cut see section 2.9
VHCL_max Max. Voltage for FULL High cut see section 2.9
VHCL_step Step Resolution
see section 2.9
Carrier and harmonic suppression at the output
α19 Pilot Signal f=19kHz
α38 Subcarrier f=38kHz
Min. Typ. Max. Unit
19
mV
0.5
%
50
62.5
75
100
3
37.5
47
56
75
3.7
5
0
6
0.4
20
70
3.3
42
66
8.4
17
33
4.2
µs
µs
µs
µs
µs
µs
µs
µs
V
dB
dB
dB
%REF5V
%REF5V
%REF5V
%REF5V
%REF5V
%REF5V
%VHCH
%VHCH
%REF5V
50
dB
75
dB
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