TZA1020HP 데이터 시트보기 (PDF) - Philips Electronics
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TZA1020HP Datasheet PDF : 36 Pages
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Philips Semiconductors
Pre-amplifiers for CD-RW systems
5 BLOCK DIAGRAM
Product specification
TZA1020; TZA1020A
handbook, full pagewidth
15
ERON
11
CAGAIN
INPUT
STAGE 3
4
SA1
8
SA2
5
SB1
9
SB2
10
C1
3
C2
6
C3
7
C4
DIODE
INPUT
STAGE 1
DIODE
INPUT
STAGE 2
14
AMON
TZA1020
TZA1020A
control control
switches currents
REGISTER
12
SDA
13
SCL
I2C-BUS
INTERFACE
1
UOUT
DRIVER
POR
DACs
2
RREF
BAND GAP
REFERENCE
28 16 30 18 29 17
VDD1 VDD2 VSS1 VSS2 GND1 GND2
LPF 1
LPF 2
NORMALIZER
35
FEN
36
REN
37
TLN
34
XDN
38
MIRN
27
WOBBLE
CWBL
PREPROCESSOR 26 PPN
ALPHA
DETECTOR
22
AINT
21
ALS
20
AINTON
19
ASTROBE
24
DALPHA
25
AZIN
CURRENT
AMPLIFIER
BETA
DETECTOR
MEAS
FAST
TRACK
COUNT
23
CAHF
44
CALF
43
A1
42
A2
39
CALPF
40
HCA1
41
HCA2
32
MEAS1
33
MEAS2
31
RE
MGR809
2000 Oct 30
Fig.1 Block diagram.
4
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