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| TDA7513T_07 Datasheet, PDF (12/84 Pages) STMicroelectronics – Single chip FM/AM tuner with stereo decoder and audio processor | |||
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Electrical characteristcs
2
Electrical characteristcs
TDA7513T
2.1
FM
(VCC = 8V; Tamb = 25°C; Vsg = 60dBμV; fc = 98.1MHz; fdev = 40kHz; fmod = 1kHz unless
otherwise specified)
Table 3. General
(audioprocessor all flat and stereo decoder input gain = 4dB )
Symbol
Parameter
Test condition
Min Typ Max Unit
US Useable sensitivity
SNR = 40dB
0
dBμV
SNR Signal to Noise ratio
66
dB
LS Limiting Sensitivity
Soft Mute OFF; @ ÎVout = -
3dB
-4
dBmV
THD
fdev = 40kHz
Total Harmonic Distortion
fdev = 75kHz
0.1 0.3 %
0.15 0.5 %
Vout Audio output level
rms
375
mV
ISN Interstation noise
ÎVout @ RF OFF; Soft Mute
OFF
-13
dB
IFCS IF Counter sensitivity
2 10 dBμV
OSCVcc
5.7
mA
PLLVcc
1.9
mA
DIGVcc
Icc DC current
TUNVcc
9.8
mA
50
mA
IF1Vcc
13.4
mA
APVcc
27.3
mA
Table 4.
Symbol
Mixer1
Parameter
Gv conversion gain
IIP3
CIFT1
Rin
3rd order intercept point
IFT1
min
adjustment max
capacitor step
input resistance (single
ended)
Test condition
Min Typ Max Unit
from RFT secondary to IFT1
secondary loaded with 330Ω
9
dB
referred to RFT secondary
dBμV
Between MIXOUT+ and
MIXOUT-
0
pF
8.25
pF
0.55
pF
FMMIX1IN+ and FMMIX1IN-
w.r.t. gnd
10
W
12/84
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