TDA7460NDTR(2009) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA7460NDTR Datasheet PDF : 49 Pages
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Stereo decoder part
TDA7460ND
Table 8.
Stereo decoder electrical characteristics (continued)
(VS = 9 V; de-emphasis time constant = 50 μs, VMPX = 500 mV, 75 kHz deviation,
f = 1 kHz. GI = 6 dB, Tamb = 25 °C; unless otherwise specified)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
De-emphasis and high cut(1)
τHC50 De-emphasis time constant
Bit = 7, Subadr. 10 =
0VLEVEL >> VHCH
25
50
75
ms
τHC75 De-emphasis time constant
Bit = 7, Subadr. 10 =
1VLEVEL >> VHCH
50
75 100 ms
τHC50 High cut time constant
t(s) τHC75 High cut time constant
c Stereo blend and high cut-control
du REF5V Internal reference voltage
Pro TCREF5V
te LGmin
le LGmax
so LGstep
Temperature coefficient
Min. level gain
Max. level gain
Level gain step resolution
Ob VSBLmin Min.voltage for mono
) - VSBLmax Max. voltage for mono
ct(s VSBLstep Step resolution
rodu Stereo blend and high cut control
P VHCHmin Min.voltage for no high cut
lete VHCHmax Max. voltage for no high cut
Obso VHCHstep Step resolution
Bit = 7, Subadr. 10 =
0VLEVEL >> VHCL
Bit = 7, Subadr. 10 =
1VLEVEL >> VHCL
100 150 200 ms
150 225 300 ms
4.7
5
5.3
V
3300
ppm
-1
0
+1
dB
8
10
12
dB
0.3 0.67 1.0
dB
29
33
37
%REF
5V
54
58
62
%REF
5V
5.0
8.4
12
%REF
5V
36
42
46
%REF
5V
62
66
70
%REF
5V
5
8.4
12
%REF
5V
VHCLmin Min. voltage for full high cut
13
17
21
%VHC
H
VHCLmax Max. voltage for full high cut
29
33
37
%VHC
H
Carrier and harmonic suppression at the output
α19 Pilot signal
α38 Sub carrier
α57 Sub carrier
α76 Subcarrier
f = 19 kHz
f = 38 kHz
f = 5 kHz
f = 76 kHz
40
50
dB
75
dB
62
dB
90
dB
22/49
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