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): 96/103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
92 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
(1) Application depends on synthesizer frequency; see Table 57.
(2) Application of FM PLL loop lter; see Table 54.
(3) EMI suppression lter for DC, e.g. BLM21RK121SN1 (Murata).
(4) Optional.
(5) Value depends on application.
Fig 49. Application diagram of TDA9897 using SAW lter with Nyquist slope
001aai817
22 pF
synthesizer
downconverter
loop filter(1)
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
100 nF
CCTAGC
2
5
IF
3
46
CFREF
100 pF
L(3)
4 MHz
reference
input
41
40
4
TDA9897
6
7
8
PORT2
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
PORT1
VIF PLL
loop filter
digital
ground
21
ADRSEL
SDA
(5)
(4)
100
220 nF
19
100
20
23
SCL
100
24
RLFSYN2 CLFSYN2
external
FM input
4.7 nF
Cde-em
n.c.
SAW
SIF
X7550
SAW
VIF
M1980
NYQUIST SLOPE
FM PLL loop filter(2)
Rs
Cpar
Cs
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