參數(shù)資料
型號: TDA9874APS
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: Digital TV sound demodulator/decoder
中文描述: AM/FM, AUDIO DEMODULATOR, PDIP42
封裝: 0.600 INCH, SHRINK, PLASTIC, MS-020, SOT-270-1, DIP-42
文件頁數(shù): 59/68頁
文件大?。?/td> 231K
代理商: TDA9874APS
1999 Dec 03
59
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874A
handbook, full pagewidth
MHB592
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
44
43
42
41
40
39
38
37
36
35
34
12
13
14
15
16
17
18
19
20
21
22
TDA9874AH
SCK
WS
SDO
SDA
VDDA3
VSSA3
CRESET
SIF1
Vref1
SIF2
OUTL
OUTR
VDDA1
VSSA1
VSSD1
VDDD1
n.c.
TP2
TP1
SCL
P
V
E
E
O
M
V
V
S
V
P
A
T
X
X
T
I
V
V
T
P
A
VSSD2
NICAM
470
nF
+
5 V
3.3
470 nF
+
5 V
470
nF
+
5 V
+
5 V
Lx
(2)
Lx
(2)
10
47
μ
F
2.2
μ
F
470
nF
470
nF
470
nF
external input
I
2
S-bus
I
2
C-bus
1
μ
F
47 pF
10
nF
10
nF
470
nF
2.2
μ
F
2.2
μ
F
100 nF
47 pF
(1)
(1)
8.2 k
470 nF
decoupling
capacitor
(1)
(1)
(1)
MHz
10
50
50
Fig.10 External components (QFP44 version).
All analog and digital supply ground pins are connected internally and should be connected via a massive external ground plate.
(1) TP1, TP2, TP3, TEST1 and TEST2 should be connected to V
SSD
during normal operation.
(2) Lx: ferrite bead, e.g. BLM 31A601S (Murata).
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