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TDA7512F Datasheet, PDF (12/45 Pages) STMicroelectronics – FM car-radio tuner IC with intelligent selectivity system (ISS)
Electrical specifications
TDA7512F
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test conditions
CP1dB
IIP3
IQG
IQP
IRR
IRR
1dB compression point
3rd order intermodulation
I/Q gain adjust
I/Q phase adjust
Image rejection ratio
Image rejection ratio
referred to diff. mixer input
-
G
PH
ratio wanted/image
with gain and phase adjust
IF1 Amplifier1,2 (10.7 MHz)
G1min
G1max
G2min
G2max
RIN
ROUT
CP1dB
IIP3
Min. gain
Max. gain
Min. gain
Max. gain
Input resistance
Output resistance
1dB compression point
3rd order Intermodulation
IFG, referred to 330 Ω
IFG, referred to 330 Ω
IFG, referred to 330 Ω
IFG, referred to 330 Ω
-
-
referred to 330 Ω input
referred to 330 Ω input
Mixer 2 (450 kHz)
RIN
Input impedance
V46
Max. input voltage
V48
Limiting sensitivity
G
Mixer gain
-
-
S/N = 20dB
-
Limiter 1 (450 kHz)
GLimiter Gain
-
Demodulator, audio output
THD Total harmonic distortion
VMPX
ROUT
|ΔV|min
|ΔV|max
S/N
MPX output signal
Output resistance
DC offset fine adjust
DC offset fine adjust
Signal to noise
Quality detection
Dev.= 75 kHz, V46 = 10 mVRMS
Dev.= 75 kHz
-
DEM, MENA = 1
DEM, MENA = 1
Dev.= 40 kHz,V46 = 10 mVRMS
S-meter, unweighted fieldstrength
V46
Min. input voltage MIX2
V14
Fieldstrength output
-
V46 = 0 VRMS
Min.
-
-
-1
-7
30
40
Typ.
100
122
-
-
40
46
Max.
-
-
+1
+8
-
-
Unit
dBµV
dBµV
%
DEG
dB
dB
-
9
-
dB
-
15
-
dB
-
9
-
dB
-
11
-
dB
-
330
-
Ω
-
330
-
Ω
-
105
-
dBµV
-
126
-
dBµV
-
330
-
W
-
900
-
mVRMS
-
25
-
µV
-
18
-
dB
-
80
-
dB
-
-
0.1
%
-
500
-
mVRMS
-
50
-
Ω
-
8.5
-
mV
-
264
-
mV
-
76
-
dB
-
10
-
µV
-
0.1
-
V
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Doc ID 12668 Rev 2