tza1020 NXP Semiconductors, tza1020 Datasheet - Page 4

• Manufacturer Part Number: tza1020
• Description: Pre-amplifiers For Cd-rw Systems
• Manufacturer: NXP Semiconductors

Philips Semiconductors
5
2000 Oct 30
Pre-amplifiers for CD-RW systems
handbook, full pagewidth
BLOCK DIAGRAM
CAGAIN
UOUT
AMON
ERON
RREF
SDA
SCL
SA1
SA2
SB1
SB2
C1
C2
C3
C4
15
11
10
14
12
13
1
2
4
8
5
9
3
6
7
V DD1
28
DRIVER
TZA1020A
STAGE 3
STAGE 1
STAGE 2
TZA1020
DIODE
DIODE
INTERFACE
INPUT
INPUT
INPUT
V DD2
I
2
C-BUS
16
V SS1
30
REFERENCE
BAND GAP
REGISTER
switches
V SS2
control
POR
18
Fig.1 Block diagram.
GND1
currents
29
control
DACs
GND2
17
4
LPF 1
LPF 2
PREPROCESSOR
NORMALIZER
DETECTOR
DETECTOR
AMPLIFIER
CURRENT
WOBBLE
COUNT
TRACK
ALPHA
MEAS
BETA
FAST
TZA1020; TZA1020A
MGR809
35
36
37
34
38
27
26
22
21
20
19
24
25
23
44
43
42
39
40
41
32
33
31
Product specification
FEN
REN
TLN
XDN
MIRN
CWBL
PPN
AINT
ALS
AINTON
ASTROBE
DALPHA
AZIN
CAHF
CALF
A1
A2
CALPF
HCA1
HCA2
MEAS1
MEAS2
RE