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TDA7540B датащи(PDF) 11 Page - STMicroelectronics

номер детали TDA7540B
подробное описание детали  AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)
PDF  75 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540B датащи(HTML) 11 Page - STMicroelectronics

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TDA7540B
Electrical specifications
11/75
10.3
V65
Limiting sensitivity
S/N = 20dB
28
dB
µV
10.4
G
Mixer gain
18
dB
11
Limiter 1 (450kHz)
11.1
GLimiter
Gain
80
dB
12
Demodulator, Audio Output
12.1
THD
Dev.= 75kHz, V65=
10mVRMS
0.1
%
12.2
VMPX
MPX output signal
Dev.= 75kHz
500
mVRMS
12.3
ROUT
Output impedance
50
Ω
12.4
|
∆V|
min
DC offset fine adjust
DEM, MENA=1
8.5
mV
12.5
|
∆V|
max
DC offset fine adjust
DEM, MENA=1
264
mV
12.6
S/N
Dev.= 40kHz,V65 =
10mVRMS
76
dB
12.7
VMPXW
MPXW output signal
Dev.= 75kHz
350
mVRMS
13
Quality Detection
S-meter, Unweighted Fieldstrength
13.1
V65
Min. input voltage MIX2
30
dB
µV
13.2
V22
Fieldstrength output
V65 = 20dBµV0.1
V
13.3
V22
Fieldstrength output
V65 = 119dBµV4.9
V
13.4
∆V
22
voltage per decade
SMSL = 0
1
V
13.5
∆V
22
voltage per decade
SMSL = 1
1.5
V
13.6
∆V
22
S-meter offset
SL, SMSL=1
-15
15
dB
13.7
ROUT
Output impedance
400
Ω
13.8
TK
Temp coeff.
0
ppm/K
Adjacent Channel Gain
13.9
Gmin
Gain minimum
ACG=0
32
dB
13.10
Gmax
Gain maximum
ACG=1
38
dB
Adjacent Channel Filter
13.11
fHP
-3dB frequency highpass
ACF=0
100
kHz
13.12
fBP
Centre frequency
ACF=1
100
kHz
13.13
f-20dB
Attenuation 20dB
70
kHz
Adjacent Channel Output
13.14
V23
Output voltage low
0.1
V
13.15
V23
Output voltage high
4.9
V
Table 5.
Electrical characteristics (continued)
(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,
fRF = 98MHz, dev= 40kHz, fMOD = 1kHz, fXtal = 10.25MHz, in application circuit, unless
otherwise specified).
Item
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit



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