參數(shù)資料
型號(hào): TDA9874H
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, PQFP44
封裝: 14 X 14 MM, 2.20 MM HEIGHT, PLASTIC, SOT-205-1, QFP-44
文件頁數(shù): 42/56頁
文件大小: 254K
代理商: TDA9874H
1998 Apr 27
42
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874H
9
EXTERNAL COMPONENTS
handbook, full pagewidth
MGK757
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
TDA9874H
SCK
WS
SDO
SDA
VDDD3
VSSD3
CRESET
SIF1
Vref1
SIF2
OUTL
OUTR
VDDA1
VSSA1
VSSD1
VDDD1
VDDD2
TP2
TP1
SCL
V
P
V
E
E
M
V
V
S
V
P
A
V
X
X
T
I
V
V
T
P
A
VSSD2
NICAM
nF
+
5 V
3.3
470 nF
+
5 V
10
nF
+
5 V
+
5 V
10
Lx
(2)
Lx
(2)
470
nF
+
5 V
3.3
Lx
(2)
Lx
(2)
10
nF
+
5 V
10
47
μ
F
470
nF
470
nF
470
nF
external input
I
2
S-bus
I
2
C-bus
audio
output
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)
33 pF
33 pF
33
nF
330
nF
10 k
39
k
10
8.2 k
39
k
470 nF
BB135
3.3
μ
H
(1)
(1)
+
5 V
16
15
14
X
V
X
33 pF
33
pF
33 nF
330
nF
10 k
39
k
24.568
MHz
HVU350
optional oscillator circuitry
2MHz
Fig.7 External components.
All analog and digital supply ground pins are connected internally.
(1) TP1, TP2, TEST1 and TEST2 should be connected to V
SS
during normal operation.
(2) Lx: ferrite bead, e.g. BLM 31A601S (Murata).
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