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TDA7540N Datasheet(PDF) 21 Page - STMicroelectronics

No. de pieza TDA7540N
Descripción Electrónicos  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540N Datasheet(HTML) 21 Page - STMicroelectronics

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TDA7540N
Electrical specifications
21/76
VSBLmin
Min. voltage for mono
SBC
29
33
%VREF1
VSBLmax
Max. voltage for mono
SBC
54
58
%VREF1
VSBLstep
Step resolution
SBC
4.2
%VREF1
VHCHmin
Min. voltage for no highcut
VHCH
42
46
%VREF1
VHCHmax
Max. Voltage for no highcut
VHCH
61
66
%VREF1
VHCHstep
Step resolution
VHCH
8
%VREF1
VHCLmin
Min. voltage for full high cut
VHCL, MAXHC = 11
11
15
%VHCH
VHCLmax
Max. voltage for full high cut
VHCL, MAXHC = 11
31
33
%VHCH
VHCLstep
Step resolution
VHCL, MAXHC = 11
7.3
%VHCH
Carrier and harmonic suppression at the output
a19
Pilot signal f=19kHz
Vpilot = 50mVrms
50
dB
a38
Subcarrier f=38kHz
75
dB
a57
Subcarrier f=57kHz
62
dB
a76
Subcarrier f=76kHz
90
dB
Intermodulation(1)
a2
fmod=10kHz, fspur=1kHz
65
dB
a3
fmod=13kHz, fspur=1kHz
75
dB
Traffic radio(2)
a57
Signal f=57kHz
70
dB
SCA - Subsidiary communications authorization(3)
a67
Signal f=67kHz
75
dB
ACI - adjacent channel interference(4)
a114
Signal f=114kHz
95
dB
a190
Signal f=190kHz
84
dB
FM noise blanker
VTRMIN
Min. trigger threshold (5)
VPEAK=0.8V, NBLTH
147
mV
OP
VTRMAX
Max. trigger threshold (5)
VPEAK=0.8V, NBLTH
280
mV
OP
VTRSTEP
Trigger threshold step0)
19
mV
OP
V
TRNOISE
Min. noise controlled trigger
threshold(5)
VPEAK=1.5V, NBCTH
450
mV
OP
V
TRNOISE
Max. noise controlled
trigger threshold(5)
VPEAK=1.5V, NBCTH
1200
mV
OP
Table 8.
Stereodecoder electrical characteristics (continued)
(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,
VMPX = 500mVrms mono, f = 1kHz, deemphasis = 50µs, fXtal = 10.25MHz, in application
circuit, unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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