TDA7515_06 Datasheet, PDF (2/7 Pages) STMicroelectronics – RF front-end for AM/FM-DSP car radios with IF sampling

Block diagram and pin description
1
Block diagram and pin description
Figure 1. Block diagram
optional
TDA7515
AGC
2
ADJ
2
2
IF 10.7MHz
FM
PM
AM
PM
2
I
Q
AGC
2
TV1 TV2
AGC
DAGC
Bus
2
Interface
Supply
DIV :1/:2/:3
1/4 1/6
1/8 1/10 ^VCO
PLL
LPOUT LPAM LPFM LPHC
REFDIV
Fref
18/100kHz
00AT0037
Figure 2. Pin connection
VCC
IFINAM
GND
IFIN1
IFIN2
MIXOUT1
MIXOUT2
AMAGCTC
FMIFAGCin
AMIN2
AMIN1
33 32 31 30 29 28 27 26 25 24 23
34
22
35
21
36
20
37
19
38
18
39
17
40
16
41
15
42
14
43
13
44
12
1 2 3 4 5 6 7 8 9 10 11
SCL
GNDPLL
LPHC
LPFM
LPREF
LPOUT
LPAM/SW
VPLL
VCOE
VCOB
GNDVCO
00AT0036
2/7