TDA9874A Philips Semiconductors, TDA9874A Datasheet - Page 59

• Manufacturer Part Number: TDA9874A
• Description: Digital TV sound demodulator/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Dec 03
handbook, full pagewidth
Digital TV sound demodulator/decoder
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
(2) Lx: ferrite bead, e.g. BLM 31A601S (Murata).
5 V
5 V
10
2.2 F
2.2 F
470
nF
(1)
(1)
Lx
(2)
470
10
nF
10
nF
nF
V DDA1
V DDD1
V SSA1
V SSD1
V SSD2
NICAM
OUTL
OUTR
TP1
TP2
n.c.
1
10
11
2
3
4
5
6
7
8
9
44
12
Fig.10 External components (QFP44 version).
13
43
2.2 F
14
42
24.576
MHz
15
41
47
F
SSD
16
40
(1)
TDA9874AH
during normal operation.
470
external input
nF
59
17
39
(1)
470
nF
18
38
8.2 k
470
nF
19
37
20
36
470 nF
decoupling
capacitor
470
nF
21
5 V
35
Lx
3.3
(2)
22
34
(1)
33
32
31
30
29
28
27
26
25
24
23
MHB592
SCK
WS
SDO
SDA
SCL
V DDA3
V SSA3
CRESET
SIF1
V ref1
SIF2
Preliminary specification
100 nF
TDA9874A
47 pF
47 pF
1 F
470 nF
I
I
2
2
10
S-bus
C-bus
50
50
5 V