SAA7370 Datasheet, PDF (55/60 Pages) NXP Semiconductors – Digital servo processor and Compact Disc decoder CD7

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+V
+V
2.2 Ω
VDD _4.7
kΩ
33 µF
100
nF
microcontroller
interface
+V
4.7
kΩ
100
nF
MECHANISM
AND
HF AMPLIFIER
+V
2.2
Ω
VDDA
33 100
µF nF
220 pF
220 pF
220 pF
220 pF
220 pF
220 pF
270
kΩ
100
22
nF
kΩ
1 nF
VDDA
22 100
pF
nF
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1 _VSSA1
2 _VDDA1
3 _D1
4 _D2
5 _D3
6
7
VRL
D4
8
R1
9 _R2
10 _IrefT
11
12
VRH
13 ^VSSA2
SELPLL
14
ISLICE
15
HFIN
16 _VSSA3
SAA7370
48
SCLK
VDDD2(P) ⁴⁷
WCLK ⁴⁶
DATA ⁴⁵
EF ⁴⁴
KILL ⁴³
42
V3
41
V4
V5 ⁴⁰
39
VSSD2
SUB ³⁸
37
RCK
36
SFSY
35
SBSY
34
MOTO2
MOTO1 ³³
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
2.2 Ω ^VDD
100 nF
to DAC
or CD-ROM
block decoder
to CD
graphics
MOTOR
INTERFACE
1 nF
22 kΩ
100 nF
to power ^VDD _{to DOBM}
amplifiers
(1)
transformer
2.2 Ω
100 nF
MBG417
(1) For crystal oscillator see Figs 3 and 4.
Fig.37 Typical application diagram.