TDA7705_10 Datasheet, PDF (7/42 Pages) STMicroelectronics – Highly integrated tuner for AM/FM car radio

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