Weak signal processing TDA7703
28/32 Rev 1
5.2.3 High cut control
Table 28. High cut control
(continuous set)
Symbol Parameter Test condition Min Typ Max Units
HCFSsp Start point vs. field strength
minimum RF level for widest
HC filter (filter # 7)
no multipath present
04050dBµV
HCFSep End point vs. field strength
maximum RF level for
narrowest HC filter (filter # 0)
no multipath present
03050dBµV
HCFStW2N
Field strength-related
transition time from wide to
narrow band
V
rf
step-like variation from
60 dBµV to 10 dBµV
0.001 0.2 20 s
HCFStN2W
Field strength-related
transition time from narrow to
wide band
V
rf
step-like variation from
0 dBµV to 60 dBµV
0.001 10 20 s
HCnumFilt Number of discrete HC filters - 8 - -
TDA7703 Application schematic
Rev 1 29/32
6 Application schematic
Figure 9. Typical application schematic
NDK5032
or
L1, L11,L12,L14 :
TDK MMZ1608Y152C
Murata BLM18HE152SN1D
NOTES:
LLQ2012-FR12
LLQ2012-FR18
TOKO
TOKO
MLZ2012A1R0P
TDK
C41
C32
L17
C30
C37
L9
L5
C33
C13
D5
R13
C35
C40
C3
C24
R10
C7
L10
C5
C42
C45
R7
C4
L8
R9
C25
C14
C44
C22
L6
C18
L11
L1
D4
C8
C6
C11
C38
C15
C36
C21
C26
C34
C43
C46
R1
C20
C23
C16
C47
R8
R5
C1
R4
R2
R3
R6
XTAL
L7
L12
L14
C10
C12
R11
R12
R14
R15
R15R15
R15
C39
C19
C2
SCL
SDA_MOSI
GRF
GRF
ANT
GND
GRF
GND
GRF
GRF
GRF
GRF GND
GND
GND
DGND
VCDIG
DGND
DGND
DGND
GND
RSTN
BUSSET
VDIG
VIF
DACOUT_R
DACOUT_L
DAC_GND
GND
DGND
DGND
VRF
GRF
470nF
10nF
1uH
10nF
1uF
4u7
120n
470pF
100nF
KP2311E
1K
100nF
1uF
220nF
22pF
680
220nF
33uH
100nF
150pF
10nF
4700P
100nF
15uH
1
LF1
2
TCAGCFM
3
FMMIXDEC
4
FMMIXIN
13
LNADEC
32
GND-1V2
44
GND-VCO
43
VCC-VCO
42
GND-PLL
41
VCC-PLL
40
VCC-IFADC
39
GND-IFADC
38
DACOUTR
37
DACOUTL
36
GND-DAC
35
OSCIN
34
OSCOUT
33
VCC-DAC
5
GND-RF
6
FMPINDRV
7
VCC-RF
8
TCAM
9
PINDDEC
10
PINDIN
11
GND-LNA
12
LNAIN
14
LNAOUT
15
LNAIN2
16
LNAOUT2
17
LNADEC2
18
AMMIXIN2
19
VREF165
20
VREFDEC
21
GND-DIG
22
VCC-DIG
23
VCCREG12
24
REG-1V2
25
VDD-3V3
31
VDD-1V2
30
RSTN
29
BUSSET
28
VDD-1V2
27
SCL
26
SDA
TDA7703
1.5k
39pF
1uF
82pF
100nF
180n
10nF
KP2311E
4.7nF
100nF
10p
100nF
1uF
1uF
2.2uF
1uF
1uF
100nF
1uF
82R
100nF
5pF
3p
10nF
220
220
1uF
2.2K
82R
82R
100
37.05MHz
2u7
1nF
1nF
10R
4R7
4R7
4R7
220nF
10n
33nF
Package information TDA7703
30/32 Rev 1
7 Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
®
is an ST trademark.
Figure 10. LQFP44 (10x10x1.4mm) mechanical data and package dimensions
OUTLINE AND
MECHANICAL DATA
DIM.
mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 1.60 0.063
A1 0.05 0.15 0.002 0.006
A2 1.35 1.40 1.45 0.053 0.055 0.057
B 0.30 0.37 0.45 0.012 0.015 0.018
C 0.09 0.20 0.004 0.008
D 11.80 12.00 12.20 0.464 0.472 0.480
D1 9.80 10.00 10.20 0.386 0.394 0.401
D3 8.00 0.315
E 11.80 12.00 12.20 0.464 0.472 0.480
E1 9.80 10.00 10.20 0.386 0.394 0.401
E3 8.00 0.315
e0.80 0.031
L 0.45 0.60 0.75 0.018 0.024 0.030
L1 1.00 0.039
k (min.), 3.5˚(typ.), (max.)
ccc 0.10 0.0039
LQFP44 (10 x 10 x 1.4mm)
0076922 E

TDA7703TR

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Tuners AM FM Radio Tuner VCO PLL Dig IF
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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