SAA7824 Datasheet, PDF (5/89 Pages) NXP Semiconductors – CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control (PhonIC)

Philips Semiconductors
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
Product specification
SAA7824
5 BLOCK DIAGRAM
handbook, full pagewidth
VSSA2
VSSA1 VSSA3
SENSE
D1 D2 D3 D4 R1 R2
MONITOR
EXFILTER
LPOWER
9 10 11 12 13 14 5 17 20 3 4
2
1
VDDA1
VDDA2
IREF
VREFO
SCL
SDA
RAB
SILD
TEST1
TEST2
TEST3
TEST4
OSCIN
OSCOUT
CLK16
CLK4/12
CDTRDY
CDTDATA
CDTCLK
SFSY
SUB
RCK
SBSY
STATUS
RESET
DC OFFSET COMPENSATION
7
16
VOLTAGE
BUFFER
HF AND LF CAPTURE
MONITOR
ADC
LASER POWER
CONTROL LOGIC
LASER ⁸⁰ LASER
ANTI ALIAS
6
8
BIAS
GENERATOR
CONTROL
PART
D1 TO D4
SUM
DISC ADC
HIGH-PASS FILTER CONTROL FUNCTION
OUTPUT
STAGES
64 _RA
65 _FO
66 _SL
53
52
54
MICROCONTROLLER
INTERFACE
55
DATA SLICER AND
THRESHOLD
CONTROL
MOTOR
CONTROL
15 _CSLICE
67 _MOTO1
68 _MOTO2
76
77
78
TEST
79
DIGITAL
PLL
ERROR
CORRECTOR
FLAGS
39 _CFLAG
19
18
49
TIMING
50
EFM
DEMODULATOR
AUDIO
PROCESSOR
SRAM
36
EBU
INTERFACE
62 _DOBM
37 CD TEXT
38 ^INTERFACE
59
RAM
ADDRESSER
SERIAL
DATA
INTERFACE
45
48
47
46
EF
SCLK
WCLK
DATA
58 INTERFACE
CONTROL
57
60
SUBCODE
PROCESSOR
PEAK
SERIAL
44 _SCLI
DATA
(LOOPBACK)
INTERFACE
43
42
WCLI
SDI
DECODER
56
MICRO-
SAA7824
DETECT
DEM
DAC
27
22
23
26
25
24
21
DACVpos
DACRP
DACRN
DACLP
DACLN
DACVref
DACGND
CONTROLLER
INTERFACE
VERSATILE PINS
INTERFACE
51
40 61 69 41 63 70
71 72 73 74 75
KILL
34 35
HEADPHONE
BUFFERS
33 28
29
32
30
31
BUFINR
BUFINL
BUFOUTR
BUFOUTL
MBL436
VSSD1 VSSD3 VDDD2
VSSD2 VDDD1 VDDD3
V1 V2 V3 V4 V5
LKILL RKILL
BUFVpos
BUFGND
Fig.1 Block diagram.
2003 Oct 01
5