TDA7513T Datasheet, PDF (10/59 Pages) STMicroelectronics – SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

TDA7513T
Table 18. IF2 amplifier (Input at AMIF2AMPIN, fc = 450kHz, no mod)
Symbol
Parameter
Test Condition
Gv, max gain, no AGC max prog
min prog
∆Gv
gain decrease in full AGC
Rin
input resistance
w.r.t. Gv, max
AMMIX2IN w.r.t. ground
Min Typ Max Unit
64.8
dB
62.8
61.7
60.2
58.3
55.8
53.2
-40
dB
2
kΩ
Table 19. AGC2
Symbol
Parameter
AGC2R AGC2 filtering
resistor
reception
seek
Test Condition
Min Typ Max Unit
150
kΩ
5
kΩ
Table 20. Audio output (output at TUNEROUT, 2.7k Ω load)
Symbol
Parameter
Test Condition
Vaudio audio level
rms, 30% modulation
Min Typ Max Unit
305
mV
Table 21. Field-strength Meter (Input at AMIF2AMPIN; fc = 450 kHz, no mod) (SG,emf level = V65 – 29dB)
Symbol
Parameter
Test Condition
Min Typ Max Unit
FS1
FSmeter1
V(AMIF2AMPIN) = 50 dBµV
0.7
dBµV
FS2
FSmeter2
V(AMIF2AMPIN) = 70 dBµV
2.1
dBµV
FS3
FSmeter3
V(AMIF2AMPIN) = 90 dBµV
4.2
dBµV
FSR FSmeter
min
filter resistor
max
SMETERTC pin
16.5
kΩ
75
kΩ
FFSS
Filtered
min
FSmeter Slider
max
0
V
1.5
V
step
48.4
mV
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