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TDA7541B Datasheet(PDF) 8 Page - STMicroelectronics

Part # TDA7541B
Description  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  77 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7541B Datasheet(HTML) 8 Page - STMicroelectronics

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Pin connection and pin description
TDA7541B
8/77
Doc ID 16048 Rev 1
2.2
Pin description
Table 2.
Pin description
Pin No.
Pin name
Function
1
VCCMIX1
Mixer1 Supply
2
DEVTC
Deviation Detector Time Constant
3
AMMIX1IN
AM Mixer1 Input
4
AMRFAGCOUT
AM RF AGC Voltage Output
5
WB
Weather Band Input
6
AMMIX1REF
AM Mixer1 Reference
7
AMPINDR
AM Pin Diode Driver Output
8
FMMIX1IN1
FM Mixer1 Input1
9
GNDRF
RF Ground
10
FMMIX1IN2
FM Mixer1 Input2
11
TV
Tuning Voltage Preselection
12
FMPINDR
FM Pin Diode Driver Output
13
FMAGCTC
FM AGC Time Constant
14
VCOB
VCO Input Base
15
VCOE
VCO Output Emitter
16
VCCVCO
VCO Supply
17
GNDVCO
VCO Ground
18
LPOUT
OpAmp Output to PLL Loop Filter
19
VREF2
Voltage Reference for PLL OpAmp
20
LPF
OpAmp Input to PLL Loop Filter
21
LPHC
High Current PLL Loop Filter Input
22
SW
Free Programmable Switch Output
23
MUX
Multiplexer Output
24
SSTOP
Search Stop Output
25
SDA
I2C Bus Data
26
SCL
I2C Bus Clock
27
FSU
Unweighted Field Strength Output
28
FSTC
S-meter Filtering Capacitor
29
XTALG
Xtal Oscillator to MOS Gate
30
ISSTC1
ISS Filter Time Constant1 (slow)
31
ISSTC2
ISS Filter Time Constant2 (fast)
32
XTALD
Xtal Oscillator to MOS Drain
33
GNDVCC1
Digital Ground



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