tza1020 NXP Semiconductors, tza1020 Datasheet - Page 5

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

Philips Semiconductors
6
2000 Oct 30
UOUT
RREF
C2
SA1
SB1
C3
C4
SA2
SB2
C1
CAGAIN
SDA
SCL
AMON
ERON
V
GND2
V
ASTROBE
AINTON
ALS
AINT
CAHF
DALPHA
AZIN
SYMBOL
DD2
SS2
Pre-amplifiers for CD-RW systems
PINNING
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
reference voltage output
reference current input
central photo diode current input
satellite photo diode current input
satellite photo diode current input
central photo diode current input
central photo diode current input
satellite photo diode current input
satellite photo diode current input
central photo diode current input
set-point laser power on disc,
current input
I
I
alpha measurement on switch
(write/read state)
normalized error signals on switch
positive supply voltage 2
ground 2
negative supply voltage 2
control signal sample-and-hold in
alpha measurement
control signal integrator in alpha
measurement
DALPHA output enabled/disabled
integrator capacitor for alpha
measurement
central aperture high-frequency
current output
alpha error signal for laser power
control
set-point alpha control
2
2
C-bus data input/output
C-bus clock input
DESCRIPTION
5
PPN
CWBL
V
GND1
V
RE
MEAS1
MEAS2
XDN
FEN
REN
TLN
MIRN
CALPF
HCA1
HCA2
A2
A1
CALF
SYMBOL
DD1
SS1
PIN
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
normalized, balanced push-pull
signal voltage
capacitor for EFM noise reduction
loop
positive supply voltage 1
ground 1
negative supply voltage 1
fast track count signal voltage
output
combination of photo diode
currents for adjustment 1
combination of photo diode
currents for adjustment 2
normalized spot position error
current output
normalized focus error current
output
normalized radial error current
output
normalized track-loss current
output
mirror output (disc reflection)
current output
capacitor to define CALF
bandwidth
capacitor to define time constant
peak detector A1
capacitor to define time constant
peak detector A2
pit amplitude relative to CALF,
voltage output
land amplitude relative to CALF,
voltage output
low-pass filtered aperture signal,
voltage output
TZA1020; TZA1020A
DESCRIPTION
Product specification