TDA7407 Datasheet, PDF (7/30 Pages) STMicroelectronics – ADVANCED CAR SIGNAL PROCESSOR

TDA7407
Stereodecoder Part
ELECTRICAL CHARACTERISTICS (VS = 9V; deemphasis time constant = 50µs,
VMPX = 500mV(75KHz deviation), fm= 1KHz, Gv = 6dB, Tamb = 27°C; unless otherwise specified).
Symbol
Vin
Rin
GMIN
GMAX
GSTEP
SVRR
α
THD
Parameter
MPX Input Level
Input Resistance
Min. Input Gain
Max. Input Gain
Step Resolution
Supply Voltage Ripple
Rejection
Max. channel Separation
Total Harmonic Distortion
Test Condition
Gv = 3.5dB
Vripple = 100mV; f = 1KHz
S+N
Signal plus Noise to Noise
N
Ratio
A-weighted, S = 2Vrms
MONO/STEREO-SWITCH
VPTHST1 Pilot Threshold Voltage
VPTHST0 Pilot Threshold Voltage
VPTHMO1 Pilot Threshold Voltage
VPTHMO0 Pilot Threshold Voltage
for Stereo, PTH = 1
for Stereo, PTH = 0
for Mono, PTH = 1
for Mono, PTH = 1
PLL
∆f/f
Capture Range
DEEMPHASIS and HIGHCUT
τHC50
Deemphasis Time Constant
τHC75
Deemphasis Time Constant
τHC50
Highcut Time Constant
τHC75
Highcut Time Constant
Bit 7, Subadr, 10 = 0,
VLEVEL >> VHCH
Bit 7, Subadr, 10 = 1,
VLEVEL >> VHCH
Bit 7, Subadr, 10 = 0,
VLEVEL >> VHCL
Bit 7, Subadr, 10 = 1,
VLEVEL >> VHCL
STEREOBLEND-and HIGHCUT-CONTROL
REF5V Internal Reference Voltage
TCREF5V Temperature Coefficient
LGmin
Min. LEVEL Gain
LGmax
Max. LEVEL Gain
LGstep
LEVEL Gain Step Resolution
VSBLmin Min. Voltage for Mono
VSBLmax Min. Voltage for Mono
VSBLstep Step Resolution
VHCHmin Min. Voltage for NO Highcut
VHCHmax Min. Voltage for NO Highcut
VHCHstep Step Resolution
VHCLmin Min. Voltage for FULL Highcut
VHCLmax Max. Voltage for FULL Highcut
VHCLstep Step Resolution
Min.
70
1.5
8.5
1.75
35
30
80
Typ.
0.5
100
3.5
11
2.5
60
Max.
1.25
130
4.5
12.5
3.25
50
0.02 0.3
91
Unit
VRMS
KΩ
dB
dB
dB
dB
dB
%
dB
10
15
25
mV
15
25
35
mV
7
12
17
mV
10
19
25
mV
0.5
%
25
50
75
µs
50
75
100
µs
100 150 200
µs
150 225 300
µs
4.7
5
5.3
V
3300
ppm
-1
0
1
dB
8
10
12
dB
0.3 0.67
1
dB
25
29
33 %REF5V
54
58
62 %REF5V
2.2
4.2
6.2 %REF5V
38
42
46 %REF5V
62
66
70 %REF5V
5
8.4
12 %REF5V
12
17
22 %VHCH
28
33
38 %VHCH
2.2
4.2
6.2 %VHCH
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