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TDA7479 Scheda tecnica(PDF) 5 Page - STMicroelectronics

Il numero della parte TDA7479
Spiegazioni elettronici  Single chip RDS demodulator filter
PDF  12 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7479 Scheda tecnica(HTML) 5 Page - STMicroelectronics

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TDA7479
Electrical specification
5/12
2
Electrical specification
2.1
Thermal data
2.2
Absolute maximum ratings
2.3
Electrical characteristics
Table 3.
Thermal data
Symbol
Parameter
SO16
TSSOP16
Unit
Rth j-case
Thermal resistance junction to case
Max.
200
160
°C/W
Table 4.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VS
Supply voltage
-0.3 to 7
V
Top
Operating temperature range
-40 to 85
°C
Tstg
Storage temperature
-55 to 150
°C
Table 5.
Electrical characteristics
(Tamb = 25°C, VS = 5V, unless otherwise specified)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VS
Supply voltage
4.5
5
5.5
V
IS
Supply current
7.5
11.0
mA
Filter
fC
Center frequency
56.5
57
57.5
kHz
BW
3dB Bandwidth
2.5
3
3.5
kHz
G
Gain
f = 57 kHz
18
20
22
dB
A
Attenuation
f ± 4 kHz
18
22
dB
f = 38 kHz
50
60
dB
f = 67 kHz
35
45
dB
RI
Input impedance of MPX
80
120
150
K
RL
Load impedance on FILOUT
1
M
S/N
Signal to noise ratio
VIN = 3 mVrms
30
40
dB
VIN
MPX input signal
f = 19 kHz; T3
 40 dB(1)
f = 57 kHz (RDS+ ARI)
1000
50
mVRMS
mVRMS
SRDS
RDS detection sensitivity
1
mVrms
SARI
ARI Detection Sensitivity
3
mVrms



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