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TDA7540B Datasheet(PDF) 18 Page - STMicroelectronics

Part # TDA7540B
Description  AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)
PDF  75 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540B Datasheet(HTML) 18 Page - STMicroelectronics

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Electrical specifications
TDA7540B
18/75
30
Traffic Radio (Note 2)
30.1
a57
Signal f=57kHz
70
dB
31
SCA - Subsidiary Communications Authorization (Note 3)
31.1
a67
Signal f=67kHz
75
dB
32
ACI - Adjacent Channel Interference (Note 4)
32.1
a114
Signal f=114kHz
95
dB
32.2
a190
Signal f=190kHz
84
dB
33
FM noise blanker
33.1
VTRMIN
Min. trigger threshold 0)
VPEAK=0.8V, NBLTH
147
mV
OP
33.2
VTRMAX
Max. trigger threshold 0)
VPEAK=0.8V, NBLTH
280
mV
OP
33.3
VTRSTEP
Trigger threshold step0)
19
mV
OP
33.4
V
TRNOISE
Min. noise controlled
trigger threshold 0)
VPEAK=1.5V, NBCTH
450
mV
OP
33.5
V
TRNOISE
Max. noise controlled
trigger threshold 0)
VPEAK=1.5V, NBCTH
1200
mV
OP
33.6
V
PEAK
Peak voltage
NBRR = 00, VMPX=0mV
0.8
V
33.7
VPEAK
Peak voltage
VMPX=50mV, f=150kHz
1.9
V
33.8
VPEAK
Peak voltage
VMPX=200mV, f=150kHz
3.5
V
33.9
VPEAKDEV
Min. deviation dependent
peak voltage
VMPX=500mV, NBDTH = 11
0.8
(off)
VOP
33.10
VPEAKDEV
Max. deviation dependent
peak voltage
VMPX=500mV, NBDTH= 00
2.0
VOP
33.11
VPEAKFS
Min. fieldstrength controlled
peak voltage
VMPX=0mV, VLEVEL<< VSBL
(fully mono), NBFS = 11
0.8
(off)
V
33.12
VPEAKFS
Max. fieldstrength
controlled
peak voltage
VMPX=0mV, VLEVEL<< VSBL
(fully mono), NBFS = 00
2.0
V
33.13
TS
Min. blanking time
Signal HOLDN in testmode,
NBT
22
µs
33.14
TS
Max. blanking time
Signal HOLDN in testmode,
NBT
38
µs
33.15
SRPEAK
Noise rectifier charge
Signal PEAK in testmode,
NBPC=0
10
mV/
µs
33.16
SRPEAK
Noise rectifier charge
Signal PEAK in testmode,
NBPC=1
20
mV/
µs
Table 7.
Electrical characteristics (continued)
(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,
VMPX = 500mVrmsmono, f = 1kHz, deemphasis = 50µs, fXtal = 10.25MHz, in application
circuit, unless otherwise specified).
Item
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit



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