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TDA7540B датащи(PDF) 6 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) 6 Page - STMicroelectronics

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Pins description and connection diagrams
TDA7540B
6/75
12
TV1
Tuning Voltage Preselection1
13
TV2
Tuning Voltage Preselection2
14
ISSSTATUS
ISS Filter Status Output
15
S1
Free Programmable Switching Output
16
FMAGCTC
FM AGC Time Constant
17
S2
Free Programmable Switching Output
18
VCOB
VCO Input Base
19
VCOE
VCO Output Emitter
20
VCCVCO
VCO Supply
21
GNDVCO
VCO Ground
22
FSU
Unweighted Fieldstrength Output
23
ADJCH
Ident. Adjacent Channel Output
24
AMST/MP
AM Stereo Output / Ident. Multipath Output
25
INLOCK
PLL Inlock Information Output
26
XTALG
Xtal Oscillator to MOS Gate
27
ISSTC1
Time Constant1 ISS Filter Switch
28
ISSTC2
Time Constant2 ISS Filter Switch
29
XTALD
Xtal Oscillator to MOS Drain
30
SSTOP
Search Stop Output
31
SDA
I2C-Bus Data
32
SCL
I2C-Bus Clock
33
FSTC
S-meter Filtering Capacitor
34
GNDVCC3
VCC3 Ground
35
LPOUT
Op Amp Output to PLL Loop Filters
36
VCC3
Supply Tuning Voltage
37
VREF2
Voltage Reference for PLL Op Amp
38
LPAM
Op Amp Input to PLL Loop Filters AM
39
LPFM
Op Amp Input to PLL Loop Filters FM
40
LPHC
High Current PLL Loop Filter Input
41
GNDVCC1
Digital Ground
42
R
Stereodecoder Output Right
43
L
Stereodecoder Output Left
44
VCC1
Digital Supply
45
FSWO
Weighted Fieldstrength Output with programmable DC offset
46
Qualyout
Stereodecoder Quality Output
47
GNDSTEREO
Strereodecoder Ground
48
MPTC
Multipath Time Constant
49
MUTETC
Weak Signal Mute Time Constant
Table 1.
Pin description (continued)
Pin No.
Pin Name
Function



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