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1998 Feb 16 33
Philips Semiconductors Product specification
CMOS digital decoding IC with RAM for
Compact Disc
SAA7345
(1) Diagram is for a 5 V application. For 3.4 V applications an additional resistor of 150 kΩ should be added between IREF (pin 10) and ground.
(2) For crystal oscillator circuit see Fig.26.
MGA375 - 1
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
CFLG
RAB
CL
DA
CLA
PORE
KILL
V3
V4
V5
MOTO2
CL11
IREF
DOBM
V1
V2
TEST2
TEST1
ISLICE
HFIN
HFREF
V
DDA
SAA7345
MOTO1
CRIN
CROUT
V
DD1
V
SS1
CL16
MISC
DATA
SCLK
WCLK
V
SSA
V
DD2
V
SS2
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
V
DD
C7
100 nF
C6
4.7 µF
(63 V)
R4
2.2 Ω
16 MHz
clock output
X9
to DAC
MOTOR
INTERFACE
V
C4
100 nF
C3
22 nF
R3
2.2 kΩ
R2
22 kΩ
C2 47 pF
C1
2.2 nF
X6
micro-
controller
interface
C13
100 nF
C12
4.7 µF
(63 V)
R6
2.2 Ω
V
11 MHz
clock output
X8
to DOBM transformer
HFIN
V
DD
C11
100
nF
(2)
(1)
Fig.27 Typical SAA7345 application diagram.