TZA1020HP/A PHILIPS [NXP Semiconductors], TZA1020HP/A Datasheet - Page 31
![no-image](/images/no-image-200.jpg)
TZA1020HP/A
Manufacturer Part Number
TZA1020HP/A
Description
Pre-amplifiers for CD-RW systems
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.TZA1020HPA.pdf
(36 pages)
- Current page: 31 of 36
- Download datasheet (154Kb)
Philips Semiconductors
12 APPLICATION AND TEST INFORMATION
2000 Oct 30
handbook, full pagewidth
Pre-amplifiers for CD-RW systems
laser control
microcontroller
laser control
CIRCUIT
TIMING
from
12 V
from
to
ASTROBE
5 V
CAGAIN
AINTON
AMON
ERON
UOUT
RREF
SDA
SCL
SA1
SA2
SB1
SB2
ALS
C1
C2
C3
C4
15
11
10
14
19
20
21
12
13
1
4
8
5
9
3
6
7
2
5 V
30
V SS1
TZA1020A
TZA1020
100
DRIVER
nF
STAGE 3
STAGE 1
STAGE 2
DIODE
DIODE
INTERFACE
INPUT
INPUT
INPUT
I
2
C-BUS
GND1
29
100
nF
5 V
V DD1
28
REFERENCE
BAND GAP
REGISTER
switches
control
POR
5 V
18
V SS2
Fig.6 Application diagram.
100
nF
currents
control
DACs
17
GND2
100
nF
5 V
16
V DD2
31
LPF 1
LPF 2
PREPROCESSOR
NORMALIZER
DETECTOR
DETECTOR
AMPLIFIER
CURRENT
WOBBLE
COUNT
TRACK
ALPHA
MEAS
BETA
FAST
MGR813
TZA1020; TZA1020A
35 FEN
36 REN
37 TLN
34 XDN
38 MIRN
26 PPN
27 CWBL
24 DALPHA
22 AINT
25 AZIN
23 CAHF
44 CALF
43 A1
42 A2
39 CALPF
40 HCA1
41 HCA2
32 MEAS1
33 MEAS2
31 RE
Product specification
100 nF
5 V
(optional)
from microcontroller
DEMODULATOR
70 pF
MEASUREMENT
nF
10
DECODER
WOBBLE
SERVO
5 V
1 nF
BETA
EFM
nF
10
to laser
5 V
nF
15
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