TDA7540NTR STMicroelectronics, TDA7540NTR Datasheet - Page 21

• Manufacturer Part Number: TDA7540NTR
• Description: IC TUNER AM/FM CAR RADIO 80-LQFP
• Manufacturer: STMicroelectronics

Specifications of TDA7540NTR

• Frequency: 10.7MHz
• Modulation Or Protocol: AM, FM
• Applications: Automotive Audio
• Current - Receiving: 12mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 7.7 V ~ 9 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant

TDA7540N
Table 8.
Carrier and harmonic suppression at the output
Intermodulation
Traffic radio
SCA - Subsidiary communications authorization
ACI - adjacent channel interference
FM noise blanker
VHCH
VHCH
VHCL
VHCL
VSBL
VSBL
VHCH
VHCL
VSBL
V
Symbol
V
V
V
V
TRSTEP
a114
a190
TRNOISE
TRNOISE
TRMAX
TRMIN
a19
a38
a57
a76
a57
a67
a2
a3
max
step
max
step
min
max
step
min
min
(2)
Stereodecoder electrical characteristics (continued)
(T
V
circuit, unless otherwise specified).
Min. voltage for mono
Max. voltage for mono
Step resolution
Min. voltage for no highcut
Max. Voltage for no highcut
Step resolution
Min. voltage for full high cut
Max. voltage for full high cut
Step resolution
Pilot signal f=19kHz
Subcarrier f=38kHz
Subcarrier f=57kHz
Subcarrier f=76kHz
f
f
Signal f=57kHz
Signal f=67kHz
Signal f=114kHz
Signal f=190kHz
Min. trigger threshold
Max. trigger threshold
Trigger threshold step
Min. noise controlled trigger
threshold
Max. noise controlled
trigger threshold
mod
mod
MPX
amb
(1)
=10kHz, f
=13kHz, f
= 25°C, V
= 500mV
(5)
Parameter
spur
spur
rms
CC1
(5)
=1kHz
=1kHz
mono, f = 1kHz, deemphasis = 50µs, f
= V
0)
(5)
(5)
(4)
CC2
= V
SBC
VHCH
VHCL, MAXHC = 11
SBC
SBC
VHCH
VHCH
VHCL, MAXHC = 11
VHCL, MAXHC = 11
V
V
V
V
V
CC3
pilot
PEAK
PEAK
PEAK
PEAK
= 50mV
(3)
= V
=0.8V, NBLTH
=0.8V, NBLTH
=1.5V, NBCTH
=1.5V, NBCTH
Test conditions
CCST
rms
= V
CCVCO
= V
CCMIX1
Xtal
Min.
= 10.25MHz, in application
54
61
31
= V
Electrical specifications
CCMIX2
1200
Typ.
147
280
450
4.2
7.3
29
58
42
66
11
33
50
75
62
90
65
75
70
75
95
84
19
8
= V
Max.
33
46
15
CCIF1
%VHCH
%VHCH
%VHCH
%V
%V
%V
%V
%V
%V
= 8.5V,
mV
mV
mV
mV
mV
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
REF1
REF1
REF1
REF1
REF1
REF1
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