TDA7513T Datasheet, PDF (9/59 Pages) STMicroelectronics – SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

TDA7513T
Table 15. Mixer1 (Input at AMMIX1IN+, no mod)
Symbol
Parameter
Test Condition
Min Typ Max Unit
Gv
conversion gain
from AMMIX1IN+to IFT1
13
dB
secondary loaded with 330 Ω
IIP3
Input 3^rd order intercept point
referred to AMMIX1IN+
130
dBµV
Rin
input resistance (differential)
AMMIX1IN+ w.r.t. AMMIX1IN-
1.2
kΩ
CIFT1 IFT1
min
adjustment
max
Between MIXOUT+ and
MIXOUT-
0
pF
8.25
pF
capacitor
step
0.55
pF
Table 16. AGC1 (Wide AGC input = AM Mixer1 input; Narrow AGC input = AM Mixer2 input; Ultra Narrow
AGC input = AM IF2 Amp input; fWAGCin = 999kHz, fNAGCIN = 10.7MHz, fUNAGCin =
450kHz)
Symbol
WAGCsp
NAGCsp
UNAGCsp
AGC1R
Iout
Vout
AGC1VRout
Parameter
Wide AGC
min
starting point max
NarrowAGC
min
starting point max
Ultra Narrow min
AGC
starting point max
AGC1 filtering resistor
min
max
min
max
AMAGC1VOUT output resistance
Test Condition
AMMIX1IN+ @
I(AMAGC1VOUT) = 1 uA
AMMIX1IN+ @
I(AMAGC1VOUT) = 1 uA
AMMIX1IN+ @
I(AMAGC1VOUT) = 1 uA
AMAGC1TC pin
AGC OFF
AGC ON
AGC ON
AGC OFF
Min Typ Max Unit
85
dBµV
104
dBµV
79
dBµV
97
dBµV
50
dBµV
97
dBµV
100
KΩ
1
µA
0.4
mA
0.5
V
3.38
V
23
KΩ
Table 17. Mixer2 (Input at AMMIX2IN, fc = 10.7MHz, no mod)
Symbol
Gv, max
Parameter
conversion gain, no AGC
Gv, min conversion gain, full AGC
IIP3
Rin
CIFT2
Input 3^rd order intercept point
input resistance
IFT2
min
adjustment
max
capacitor
step
Test Condition
Min
from AMMIX2IN to IFT2
secondary loaded with 2k Ω
from AMMIX2IN to IFT2
secondary loaded with 2kΩ
referred to AMMIX2IN, no AGC
AMMIX2IN w.r.t. ground
Between AMMIX2OUT and gnd
Typ Max Unit
15
dB
-7
dB
120
dBµV
330
Ω
0
pF
24
pF
1.6
pF
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