TDA7513T_07 Datasheet, PDF (13/84 Pages) STMicroelectronics – Single chip FM/AM tuner with stereo decoder and audio processor

TDA7513T
Electrical characteristcs
Table 5. Front end adjustment
(VRFadj and VANTadj referred to VLFOUT)
Symbol
Parameter
Test condition
Vantadj
min
max
step
VRFadj
min
max
step
Min Typ Max Unit
-40
%
40
%
1.29
%
-40
%
40
%
1.29
%
Table 6. AGC
(wide AGC input connected to RFT primary through 10pF and 1KΩ)
Symbol
Parameter
Test condition
Min Typ Max Unit
WAGCsp Wide AGC starting point
VRFTprimary @
I(FMAGCOUT) = 5μA
84
WAGCRin
FMWAGCIN input
resistance
125
NAGCsp
Narrow AGC starting point
(max sensitivity)
VRFTprimary @
I(FMAGCOUT) = 5μA; Keyed
AGC OFF
95
VRFTprimary @
KNAGCsp
Keyed narrow AGC starting
point (min sensitivity)
I(FMAGCOUT) = 5μA; Keyed
AGC ON;
109
V(SMETERTC)<0.9V
NAGCRin
FMNAGCIN input
resistance
10
Smeter for minimum
KAGCTH ^Keyed
programming V(SMETERTC) @ narrow
0.9
narrow AGC
AGC starting point =
high _{maximum maximum NAGCsp}
sensitivity ^programming
2.5
Smeter for minimum
KAGCTH ^Keyed
programming V(SMETERTC) @ narrow
1.6
narrow AGC
AGC starting point =
low
minimum ^maximum
KNAGCsp
sensitivity ^programming
3.2
min
Iout
max
AGC OFF
AGC ON
8
min
Vout
max
AGC ON
AGC OFF
0.1
Vcc-
0.5
AGCVRout
FMAGCVOUT output
resistance
100
dBμV
W
dBμV
dBμV
KΩ
V
V
V
V
0.1 μA
mA
0.5 V
V
KΩ
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