TDA7479DTR Datasheet, PDF (5/12 Pages) STMicroelectronics – Single chip RDS demodulator + filter

TDA7479
2
Electrical specification
Electrical specification
2.1
Thermal data
Table 3. Thermal data
Symbol
Parameter
R_{th j-case} Thermal resistance junction to case
Max.
SO16
200
TSSOP16 Unit
160
°C/W
2.2
Absolute maximum ratings
Table 4. Absolute maximum ratings
Symbol
Parameter
V_S Supply voltage
T_op Operating temperature range
T_stg Storage temperature
Value
Unit
-0.3 to 7
V
-40 to 85
°C
-55 to 150
°C
2.3
Electrical characteristics
Table 5.
Symbol
Electrical characteristics
(T_amb = 25°C, V_S = 5V, unless otherwise specified)
Parameter
Test condition
V_S
I_S
Filter
Supply voltage
Supply current
f_C Center frequency
BW 3dB Bandwidth
G Gain
A Attenuation
f = 57 kHz
Δf ± 4 kHz
f = 38 kHz
R_I Input impedance of MPX
R_L Load impedance on FILOUT
S/N Signal to noise ratio
V_IN MPX input signal
S_RDS
S_ARI
RDS detection sensitivity
ARI Detection Sensitivity
f = 67 kHz
V_IN = 3 mVrms
f = 19 kHz; T3 ≤ 40 dB⁽¹⁾
f = 57 kHz (RDS+ ARI)
Min. Typ. Max. Unit
4.5
5
5.5
V
7.5 11.0 mA
56.5 57 57.5 kHz
2.5
3
3.5 kHz
18
20
22
dB
18
22
dB
50
60
dB
35
45
dB
80 120 150 KΩ
1
MΩ
30
40
dB
1000 mV_RMS
50 mV_RMS
1
mVrms
3
mVrms
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