TDA7512 Datasheet, PDF (9/42 Pages) STMicroelectronics – AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS

TDA7512
Table 3. ELECTRICAL CHARACTERISTICS (continued)
T_amb = +25°C, V_CC1 = V_CC2 = V_CC3 = V_CCVCO = V_CCMIX1 = V_CCIF1=8.5V, f_RF = 98MHz, dev. = 40kHz,
f_MOD = 1kHz, f_IF1 = 10.7MHz, f_IF2 = 450KHz, f_Xtal = 10.25MHz, in application circuit, unless otherwise
specified.
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
∆V₁₄
R_OUT
S-meter offset
Output resistance
SL, SMSL=1
-15
15
dB
200
Ω
TK Temp coeff.
0
ppm/K
S-meter, Weighted Fieldstrength
V₃₅
V₃₅
R_OUT
Fieldstrength output
Fieldstrength output
Output resistance
V₄₆ = 0V_RMS
V₄₆ = 1V_RMS
2.5
V
4.9
V
12
kΩ
Adjacent Channel Gain
G_min Gain minimum
G_max Gain maximum
Adjacent Channel Filter
ACG=0
ACG=1
32
dB
38
dB
f_HP -3dB frequency highpass
ACF=0
100
kHz
f_BP Centre frequency
ACF=1
100
kHz
f_-20dB Attenuation 20dB
70
kHz
Adjacent Channel Output
V₁₃ Output voltage low
0.1
V
V₁₃ Output voltage high
R_OUT Output resistance
Multipath Channel Gain
4.9
V
4
kΩ
Gmin
G_max
Gain minimum
Gain maximum
MPG=0
MPG=1
12
dB
23
dB
Multipath Bandpass Filter
f_Lower Centre frequency low
MPF=0
19
kHz
f_Upper
Q
Centre frequency up
Quality factor
MPF=1
31
kHz
5
10
Multipath Output
V₃₄ Output voltage low
0.1
V
V₃₄
R_OUT
Output voltage high
Output resistance
4.9
V
2.5
kΩ
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