TDA7540N STMicroelectronics, TDA7540N Datasheet - Page 19

• Manufacturer Part Number: TDA7540N
• Description: IC TUNER AM/FM CAR RADIO 80-LQFP
• Manufacturer: STMicroelectronics

Specifications of TDA7540N

• 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 7.
3.3.4
Table 8.
IF noise blanking
Stereodecoder
Symbol
Symbol
(S+N)/N
C
V
V
V
SVRR
C
C
G
G
G
THD
thstep
ΔA
62-63
V
V
desth
desth
t
t
R
max
V
A
min
bl
bl
max
step
a
th
th
min
in
in
Max. gain
Gain control range
Min. cap step
Max. cap
Min. blanking time
Max. blanking time
Min internal threshold
Max. internal threshold
Threshold step
Min. desensitivity threshold
Max. desensitivity threshold
AM section electrical characteristics (continued)
(T
f
otherwise specified).
Stereodecoder
Stereodecoder electrical characteristics
(T
V
circuit, unless otherwise specified).
RF
MPX input level
Input resistance
Min. Stereodecoder gain
Max. Stereodecoder gain
Stereodecoder gain step
resolution
Supply voltage ripple rejection V
Max. channel separation
Total harmonic distortion
Signal plus Noise to Noise
ratio
MPX
amb
amb
= 98MHz, m= 30%, f
= 25°C, V
= 25°C, V
= 500mV
Parameter
Parameter
rms
CC1
CC1
mono, f = 1kHz, deemphasis = 50µs, f
= V
= V
CC2
CC2
MOD
= V
= V
IF2T
IF2T
Mixer2 tank output
IF2T
= 400kHz, f
STD Gain = 2.5 dB
V
only L/R
A-weighted, 19kHz notch
CC3
CC3
ripple
MPX
= V
= V
Test conditions
= 500mV
= 100mV, f = 1kHz
Test conditions
CCST
CCST
Xtal
= V
rms
= V
= 10.25MHz, in application circuit, unless
CCVCO
stereo
CCVCO
= V
= V
CCMIX1
CCMIX1
Xtal
Min.
150
2.9
3.6
10
10
Min.
3.15
-0.5
= 10.25MHz, in application
70
54
1
= V
= V
Electrical specifications
187.5
CCMIX2
CCMIX2
Typ.
12.5
12.5
1.6
3.2
34
20
24
17
Typ.
3.75
1.25
0.02
100
2
8
4
0.5
60
50
85
0
= V
= V
Max.
Max.
225
0.93
4.35
3.5
4.4
130
15
15
0.5
1.5
0.3
CCIF1
CCIF1
= 8.5V,
= 8.5V,
V
Unit
Unit
mV
mV
mV
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
pF
pF
pF
μs
μs
%
V
rms
V
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