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TDA7705 Datasheet(PDF) 7 Page - STMicroelectronics

Part # TDA7705
Description  Highly integrated tuner for AM/FM car radio
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7705 Datasheet(HTML) 7 Page - STMicroelectronics

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TDA7705
Block diagram and pins description
Doc ID 15938 Rev 9
7/42
1.2
Pin description
Figure 2.
Pin connection (top view)
Table 2.
Pin description
Pin #
Pin name
Function
1
LF1
PLL loopfilter output
2
PLLTEST
PLL test output / GPO
3
DAC
FM tuning DAC output
4
TCAGCFM
FM AGC time constant
5
FMMIX1dec
FM mixer decoupling
6
FMIX1in
FM mixer input 1
7
FMIX2in
FM mixer input 2
8
GND-RF
RF Ground
9
FMPINDRV
FM AGC PIN diode driver
10
VCC-RF
5V supply for RF section
11
TCAM
AM AGC time constant
12
AMPINDRV
AM AGC external PIN diode driver
13
PINDdec
AM AGC internal PIN diode decoupling
14
PINDin
AM AGC internal PIN diode input
15
GND-LNA
AM LNA and internal PIN diode GND
16
LNAin
AM LNA input
1
2
3
5
6
4
7
8
9
10
27
11
28 29 30 31 32
59 58 57 56
54
55
53 52 51 50 49
43
42
41
39
38
40
48
47
46
44
45
FMMIX1in
FMMIX1dec
TCAGCFM
PLLTEST
LFI
DAC
TCAM
VCC-RF
FMPINDRV
FMMIX2in
GND-RF
GPIO0
GPIO1
GPIO2
RDSINT
VDD-1V2
GPIO3
GND-1V2
VDD-1V2
TEST
MODE
RSTN
AC00418
22 23 24 25 26
60
61
62
63
64
17 18 19 20 21
37
36
34
33
35
SCL/CLK
SDA/MOSI
SPI_CS
GND-3V3
SPI_MISO
12
13
14
15
16
LNAin
GND-LNA
PINDin
AMPINDRV
PINDdec



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