Specifications
2000 Jun 26 61
Philips Semiconductors Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC for video CD (CD7 II)
SAA7327
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13 APPLICATION INFORMATION
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MGS248
22 kΩ
1 kΩ
10 kΩ
10 kΩ
30 kΩ
2.2 Ω
SAA7327
MECHANISM
AND
HF
AMPLIFIER
(TDA1300)
(4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
SBSY
SFSY
SUB
RCK
TEST3
STATUS
SILD
RAB
SCL
SDA
SCLI
SDI
WCLI
V2/V3
V
SSD1
HFREF
HFIN
ISLICE
V
SSA1
V
DDA1
V
DDA
I
ref
V
RIN
D1
D2
D3
D4
R1
R2
V
SSA2
CROUT
CRIN
33
17 18 19 20
left output
21 22 23 24 25 26 27 28 29
to external
DAC
30 31 32
64 63 62 61 60 59 58 57 56 55
to power
amplifiers
54 53 52 51
to DOBM
transformer
to CD graphics/subcode interface
50
LDON
V1
V5
V4
MOTO2
MOTO1
V
SSD3
V
DDD2(C)
SL
FO
RA
CFLG
V
DDD1(P)
DOBM
V
SSD2
CL11/4
V
DDA2
LN
LP
V
neg
V
pos
RN
RP
SELPLL
TEST1
CL16
DATA
WCLK
SCLK
EF
TEST2
KILL
49
RESET
33 µF
33 pF
33 pF
100 nF
100 nF
220 pF
220 pF
220 pF
220 pF
220 pF
220 pF
O6
O5
O1
O4
O3
O2
2
5
4
1
3
6
9
7
RFE
LDON
47 pF
(3)
(1)
100 nF
1.5
nF
220
nF
1.5
nF
(2)
100 nF
1 nF
22 nF
100 nF
V
DDA
V
DDD
1/2 V
DDD
(2)
1/2 V
DDD
(2)
MOTOR
INTERFACE
to micro-
controller
interface
to ESA
serial data
loopback
V
DDD
V
DDD
2.2 Ω
V
DDD
2.2 Ω
4.7
kΩ
V
DDD
4.7
kΩ
100
nF
100 nF
47
µF
33 µF 33 µF
33 µF
2.2 Ω
22
kΩ
11
kΩ
22
kΩ
220
pF
11
kΩ
10 kΩ
right output
22
kΩ
22
kΩ
11 kΩ
220
pF
220
pF
220
pF
11
kΩ
10 kΩ
Fig.38 Typical application diagram for current mechanisms.
(1) For crystal oscillator see Figs 3 and 4.
(2) 1.5 nF capacitors connected between
pins LN and LP, and RN and RP must be
placed as near to the pins as possible. This also
applies to the 220 nF and 47 µF capacitors
connected between pins V
neg
and V
pos
.
(3) For single-speed applications, use 47 pF
capacitors, for double-speed use 22 pF
capacitors.
(4) The connections to TDA1300 are shown for
single Foucault mechanisms.