tda9898 NXP Semiconductors, tda9898 Datasheet - Page 91

• Manufacturer Part Number: tda9898
• Description: Multistandard Hybrid If Processing Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA9897_TDA9898_3
Product data sheet
Fig 48. Application diagram of TDA9897
(1) Connect resistor if external reference signal is not used.
(2) Connect resistor if crystal is not used.
(3) Use of crystal is optional.
(4) Application depends on synthesizer frequency; see
(5) Optional single-ended IF input possible.
(6) Optional.
(7) See
IF
(5)
downconverter
synthesizer
loop filter
R LFSYN2 C LFSYN2
Table
7 MHz WINDOW
6 MHz WINDOW
(4)
54.
X6872
X6768
SAW
SAW
VIF
VIF
MPP1
C CTAGC
390 nF
22 pF
n.c.
n.c.
C TAGC
loop filter
220 nF
1
2
3
4
5
6
7
8
9
10
11
12
VIF
48
13
330
220 nF
14
output
tuner
AGC
47
15
C FREF
100 pF
560
reference
4 MHz
input
46
MPP2
16
Rev. 03 — 11 January 2008
BP
22 k (1)
i.c.
45
17
Table
560
V
44
(6)
P
= 5 V
loop filter
TDA9897
43
FM PLL
57.
18
n.c.
42
C par
(7)
41
19
analog
ground
3.3 k (2)
R s
C s
40
20
C de-em
4.7 nF
39
FM input
external
TDA9897; TDA9898
22 pF
4 MHz (3)
21
ground
digital
synthesizer
trap control
Multistandard hybrid IF processing
loop filter
22
38
SDA
23
470
100 nF
100
SCL
n.c.
37
24
36
35
34
33
32
31
30
29
28
27
26
25
100
ADRSEL
n.c.
470 nF
1.5 nF
C AF2
C AF1
AGC input for DIF
(from channel decoder)
2 V CVBS
output
BVS
AUD
(6)
(6)
(6)
(6)
© NXP B.V. 2008. All rights reserved.
(b)
(a)
(b)
(a)
008aaa093
ZIF Q or
1st DIF
digital LIF or
ZIF I or
analog 2nd
sound IF
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