參數(shù)資料
型號: TDA9897HL/V3
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT313-2, LQFP-48
文件頁數(shù): 94/103頁
文件大?。?/td> 529K
代理商: TDA9897HL/V3
TDA9897_TDA9898_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
90 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
13. Application information
(1) Optional single-ended IF input possible.
(2) Application depends on synthesizer frequency; see Table 57.
(3) Application of FM PLL loop lter; see Table 54.
(4) EMI suppression lter for DC, e.g. BLM21RK121SN1 (Murata).
(5) Capacitor connected only for TDA9898.
Fig 47. Application diagram of TDA9897 and TDA9898; ATV/DVB-T
001aai815
22 pF
synthesizer
downconverter
loop filter(2)
100 nF
470
3.3 k
synthesizer
trap control
loop filter
1.5 nF
CAF
470 nF
1
48
45
42
38
39
analog
ground
VP = 5 V
470 nF
100 nF
37
n.c.
44
43
47
CTAGC
220 nF
tuner
AGC
output
470 nF
CIFAGC(5)
100 nF
CCTAGC
2
5
3
46
CFREF
100 pF
4 MHz
reference
input
41
40
4
TDA9897
TDA9898
6
7
8
AGC input for DIF
(from channel decoder)
BVS
2 V CVBS
output
AUD
1st DIF
digital LIF or
analog 2nd
sound IF
9
10
11
12
13
14
22
18
15
16
17
36
35
32
34
33
31
30
29
28
27
26
25
VIF PLL
loop filter
digital
ground
21
ADRSEL
SDA
100
220 nF
19
100
20
23
SCL
100
24
RLFSYN2 CLFSYN2
external
FM input
4.7 nF
Cde-em
n.c.
7 MHz WINDOW
6 MHz WINDOW
SAW
X3450L
IF(1)
FM PLL loop filter(3)
Rs
Cpar
Cs
L(4)
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