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TDA7541B Datasheet(PDF) 21 Page - STMicroelectronics

No. de pieza TDA7541B
Descripción Electrónicos  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  77 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7541B Datasheet(HTML) 21 Page - STMicroelectronics

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TDA7541B
Electrical specifications and characteristics
Doc ID 16048 Rev 1
21/77
31.9
VHCHstep Step resolution
HCHT
7
8
9
%VREF1
31.10
VHCLmin Min. voltage for full high cut HCLT
6
11
16
%VHCH
31.11 VHCLmax Max. voltage for full high cut HCLT
28
33
38
%VHCH
31.12 VHCLstep Step resolution
HCLT
6.5
7.3
8.1
%VHCH
32. Carrier and harmonic suppression at the output
32.1
a19
Pilot signal f = 19 kHz
-
45
50
-
dB
32.2
a38
Subcarrier f = 38 kHz
-
-
75
-
dB
32.3
a57
Subcarrier f = 57 kHz
-
-
62
-
dB
32.4
a76
Subcarrier f = 76 kHz
-
-
90
-
dB
33. Intermodulation (1)
33.1
a2
fmod = 10 kHz, fspur =1 kHz -
-
65
-
dB
33.2
a3
fmod = 13 kHz, fspur =1 kHz -
-
75
-
dB
34. Traffic radio (2)
34.1
a57
Signal f = 57 kHz
-
65
70
-
dB
35. SCA (3)
35.1
a67
Signal f = 67 kHz
-
-
75
-
dB
36. ACI – adjacent channel interference (4)
36.1
a114
Signal f = 114 kHz
-
-
95
-
dB
36.2
a190
Signal f = 190 kHz
-
-
84
-
dB
37. FM noise blanker
37.1
VTRMIN
Min. trigger threshold (5)
VPEAK=0.8 V, NBLT “111”
-
147
-
mVOP
37.2
VTRMAX
Max. trigger threshold (5)
VPEAK=0.8 V, NBLT “000”
-
280
-
mVOP
37.3
VTRNOISE
Min. noise controlled
trigger threshold
VPEAK = 1.5 V, NBCT “11”
-
450
-
mVOP
37.4
VTRNOISE
Max. noise controlled
trigger threshold
VPEAK = 1.5 V, NBCT “00”
-
1200
-
mVOP
37.5
VPEAK
Peak voltage
NBRR “00”, VMPX = 0 mV
-
0.8
-
V
37.6
VPEAK
Peak voltage
NBRR “00”, VMPX = 50 mV,
f = 150 kHz
-1.9
-
V
37.7
VPEAK
Peak voltage
NBRR “00”, VMPX = 200 mV,
f = 150 kHz
-3.5
-
V
37.8
VPEAKDEV
Min. deviation dependent
peak voltage
VMPX = 500 mV,
NBDC = 11 (“OFF”)
-0.8
-
V
37.9
VPEAKDEV
Max. deviation dependent
peak voltage
VMPX = 500 mV, NBDC= 00
-
2.0
-
V
Table 8.
Stereo decoder section (continued)
Item
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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