TDA7210V_10 Datasheet, PDF (13/44 Pages) Infineon Technologies AG – ASK/FSK Single Conversion Receiver

Table 2
Pin No.
30
Pin Definition and Function (cont’d)
Symbol
Equivalent I/O-Schematic
CRST1
4.15V
30
50uA
TDA7210V
Functional Description
Function
External Crystal Connector 1
31
VCC2
32
GNDRF1
2.3
Functional Block Diagram
5 V Supply Analogue
Internal GND Plane connected
to RF-GND
VCC
IF
Filter
LNO
4
MI MIX IFO
6
7 10
LIM
LIMX
16
17
MSEL
14
LNI 1
RF
LNA
GNDRF1 32
(LNA, RF)
TAGC 2
LIMITER
FSK
PLL Demod
-
+ FSK
- _ASK
+
TDA 7210V
OTA
VDD
13
12
DGND
5,31
(RF)
11,21
:1/2
3,8
9
VCO
: 128 / 64
Loop
Filter
15
Φ
DET
CRYSTAL
OSC
30
28
VCC1 GNDRF2 AGND1 FSEL
VCC2 GNDRF3 AGND2
CSEL
Figure 4 Main Block Diagram TDA7210V
Crystal
2.4
Functional Blocks
FFB
OPP
SLP
SLN
22
20
18
19
SLICER
DATA
25
OP
PEAK
DETECTOR
PDO
26
23 THRES
U _REF
AGC
Reference
24 3VOUT
Bandgap
Reference
27
PDWN
Data Sheet
13
Revision 1.1, 2010-06-18