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TDA7512 Scheda tecnica(PDF) 13 Page - STMicroelectronics

Il numero della parte TDA7512
Spiegazioni elettronici  AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS
PDF  42 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7512 Scheda tecnica(HTML) 13 Page - STMicroelectronics

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TDA7512
AM Mixer1 (10.7MHz)
RIN
Input resistance
differential
1.2
k
Ω
CIN
Input capacitance
differential
4
pF
ROUT
Output impedance
differential
100
k
Ω
CP1dB
1dB compression point
referred to diff. mixer input
115
dB
µV
IIP3
3rd order intermodulation
132
dB
µV
F
Noise figure
8dB
A
Gain
26
dB
Cmin
Min. capacitance step
IF1T
0.55
pF
Cmax
Max. capacitance
IF1T
8.25
pF
C31-64
IF1T
2
pF
AM Mixer2 (450kHz)
R58
Input resistance
10
k
Ω
C58
Input capacitance
2.5
pF
CP1dB
1dB compression point
referred to diff. mixer input
120
dB
µV
IIP3
3rd order intermodulation
132
dB
µV
F
Noise figure
12
dB
A
Max. gain
Mixer2 tank output
34
dB
∆A
Gain control range
20
dB
Cmin
Min. cap step
IF2T
1.6
pF
Cmax
Max. cap
IF2T
24
pF
C55-56
IF2T
2
pF
Table 4. ELECTRICAL CHARACTERISTICS (continued)
Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCMIX2 =8.5V, fRF =1MHz, fMOD = 400Hz at
30% AMfIF1 = 10.7MHz, fIF2 =450kHz, fxtal = 10.25MHz, in application circuit, (unless otherwise noted,
VINRF antenna input).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit



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