TZA1025 [NXP]
Data amplifier and laser supply circuit for CD audio and video optical systems ADALASLC; 数据放大器和激光电源电路，用于CD音频和视频光学系统ADALASLC
| 型号： | TZA1025 |
| 厂家： | 
NXP |
| 描述： | Data amplifier and laser supply circuit for CD audio and video optical systems ADALASLC |
| 文件： | 总16页 (文件大小：126K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
TZA1025
Data amplifier and laser supply
circuit for CD audio and video
optical systems (ADALASLC)
1998 Oct 30
Product specification
File under Integrated Circuits, IC01
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
FEATURES
• Supports a wide range of voltage output mechanisms
• RF amplifier designed for audio and video applications
with 1 × data rate
• Programmable RF gain for CD-Audio/Video (CD-A/V)
and CD-Read/Write (CD-R/W) discs
• Equalizer for optimal performance
• Fully Automatic Laser Power Control (ALPC) including
stabilization plus a separate laser supply voltage for
power efficiency
The RF bandwidth allows this device to be used in CD-A/V
applications with a data rate of n = 1 times speed. The RF
gain can be adapted for CD-A/V discs or CD-R/W discs by
means of the gain select signal.
• Adjustable current range of ALPC output
• Automatic N- or P-substrate monitor diode selection
The equalizer ensures an optimal performance.
• Adjustable laser bandwidth and laser switch-on current
The TZA1025 can be adapted to a wide range of voltage
output mechanisms by means of external resistors.
slope using external capacitor
• Protection circuit to prevent laser damage due to laser
supply voltage dip
The ALPC circuit will maintain control over the laser diode
current. With an on-chip reference voltage generator, a
constant and stabilized output power is ensured
independent of ageing. The ALPC can accommodate
N- or P-substrate monitor diodes.
• Optimized interconnection between data amplifier and
Philips’ digital signal processor CD10LC (SAA7325)
• Wide supply voltage range
• Power-down switch to reduce power consumption
A separate supply voltage connection for the laser allows
the internal power dissipation to be reduced by connecting
a low voltage supply. The laser output current range can
be optimized to fit the requirements of the laser diode by
means of one external resistor. When a DC-to-DC
converter is used, in combination with the control loop of
the ALPC, the adjustable output current range provides
the possibility to compensate for the extra gain a DC-to-DC
converter introduces in the control loop.
during standby
• Low power consumption.
GENERAL DESCRIPTION
The TZA1025 is a data amplifier and laser supply circuit for
voltage output mechanisms found in a wide range of audio
and video CD systems. The device contains an RF
amplifier and an automatic laser power control circuit.
The preamplifier forms an interface for voltage output CD
mechanisms to the Philips’ digital signal processor
CD10LC (SAA7325).
ORDERING INFORMATION
TYPE
PACKAGE
NUMBER
NAME
DESCRIPTION
plastic small outline package; 14 leads; body width 3.9 mm
VERSION
TZA1025T
SO14
SOT108-1
1998 Oct 30
2
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
QUICK REFERENCE DATA
SYMBOL
Supplies
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
VDD
supply voltage
2.4
−
3
−
5.5
−
V
IDD
supply current
−
mA
V
VDD(L)
laser supply voltage
2.4
5.5
RF amplifier
td(f)(RF)
RF flatness delay
−
−
−
10
ns
Laser supply circuit
Io(LASER)(max) maximum laser output current
V
DD(L) − Vo(LASER) = 0.55 V 80
−
mA
Vi(mon)
monitor input voltage
N-substrate monitor diode
P-substrate monitor diode
−
−
0.150
−
−
V
V
VDD − 0.150
Temperature range
Tamb
operating ambient temperature
0
−
70
°C
BLOCK DIAGRAM
V
DD
13
11
5
12
CDRW
DIN
GND
9
RFFB
10
RFEQO
8
1
TZA1025
250
CMFB
LD
kHz
V/I
V/I
(1)
4
V
MON
GAP
14
3
RGADJ
CFIL
7
V
PWRON
DD
6
2
MBK902
V
GND
DD(L)
(1) Band gap reference voltage.
Fig.1 Block diagram.
3
1998 Oct 30
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
The gain of the RF amplifier can be adjusted by the
external input resistors. Fig.3 shows the simplified
schematic which can be used to determine the RF gain.
The signal is AC coupled to the RF amplifier. The formula
to determine the gain is shown below:
PINNING
SYMBOL PIN
DESCRIPTION
LD
1
2
3
4
5
6
7
8
current output to laser diode
laser supply voltage
external filter capacitor
laser monitor diode input
central diode input
VDD(L)
CFIL
MON
DIN
Ztr (RF)
GRF = –n ×
(1)
------------------
R2
where:
GND
PWRON
CMFB
ground
GRF is the RF amplifier gain
power-on select input
n is the number of input resistors
common mode feedback voltage
input
Ztr(RF) is the transimpedance of the amplifier (Ω)
R2 is the value of the input resistors (Ω).
RFFB
RFEQO
CDRW
GND
9
external RF feedback resistor
The gain can be increased by a factor of 4 by making
pin CDRW HIGH. The value of Ztr(RF) is 9.8 kΩ for CD-A/V
(CDRW = LOW) and 38 kΩ for CD-R/W (CDRW = HIGH).
10 RF amplifier output
11 gain select input for CD-A/V, CD-R/W
12 ground
An internal equalizer ensures an optimal performance.
VDD
13 supply voltage
The DC output level of the amplifier can be set by applying
a DC voltage on the common mode feedback pin CMFB.
Since the input signal is AC-coupled the RF output voltage
will swing (symmetrically) around this DC level.
RGADJ
14 external laser supply gain adjust
resistor
The coupling of the TZA1025 to the signal processor
(SAA7325) can be either AC or DC. When an AC-coupling
is chosen (see Fig.6) the minimum supply voltage can be
applied. When a DC-coupling is chosen (see Fig.7) a
minimum supply voltage of 2.8 V is required.
handbook, halfpage
LD
1
2
3
4
5
6
7
14
13
12
11
10
9
RGADJ
V
V
DD(L)
CFIL
DD
GND
MON
DIN
CDRW
RFEQO
RFFB
CMFB
TZA1025
GND
8
PWRON
MBK901
10 kΩ
handbook, halfpage
R2(1)
R2(2)
V
in
Fig.2 Pin configuration.
V
C2
in
RFEQO
R2(n)
FUNCTIONAL DESCRIPTION
V
CDRW
MGL530
in
The TZA1025 consists of two sections, the RF amplifier
and the automatic laser power control circuit.
RF amplifier
The RF amplifier consists of a current input amplifier, an
equalizer/bandwidth section and a transimpedance output
amplifier with an external feedback resistor of 10 kΩ (fixed
value).
Fig.3 Simplified schematic.
1998 Oct 30
4
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
where:
Io is output current (mA)
Automatic laser power control circuit
The ALPC stabilises the laser output power thereby
reducing the effect of ageing of the laser.
Io(LASER)(max) is the maximum laser output current (mA)
250 is a fixed internal resistor value (Ω)
The TZA1025 automatically detects when an
N- or P-substrate monitor diode is used and selects the
correct reference voltage. A simplified diagram for the use
of an N- or P-substrate monitor diode is given in Fig.4.
RRGADJ is the value of the external resistor (Ω).
The bandwidth of the loop is determined by the external
filter capacitor CCFIL and the loop gain. The formula to
determine the bandwidth is shown in equation (4).
The gain of the loop can be controlled (reduced) by adding
an external resistor between pins RGADJ and GND.
The loop gain then becomes:
C
CFIL × 16 106
-----------------------------------------
Gloop
τ-3dB
=
(4)
250
250 + RRGADJ
Gloop = GALPC × Glm × Gcon
×
(2)
-------------------------------------
where:
where:
CCFIL is the value of the capacitor (F)
Gloop is the loop gain.
Gloop is the loop gain
GALPC is the ALPC transfer (60 A/V)
The TZA1025 has a protection circuit to prevent laser
damage that can occur due to a dip of VDD(L). When a dip
occurs the output transistor (see Fig.4) will go into
saturation making it unable to supply the required laser
current. Without the protection circuit the ALPC would still
try to supply the required laser current by charging the filter
capacitor CCFIL. After the dip a fully charged capacitor
would create a large output current during the few
milliseconds it needs to discharge the capacitor to a
normal level. The protection circuit monitors the output
transistor and switches off the ALPC when saturation
occurs by discharging the capacitor. The ALPC will
automatically restart within a few milliseconds after the dip
has passed.
Glm is the laser-to-monitor transfer (V/A)
Gcon is the extra gain introduced when a DC-to-DC
converter is used in the loop; Gcon = 1 when no
DC-to-DC converter is used
250 is a fixed internal resistor value (Ω)
RRGADJ is the value of the external resistor (Ω).
The minimum available output current is also reduced
when an external resistor is used. The formula to
determine the minimum available output current is shown
in equation (3).
250
250 + RRGADJ
I o = I o(LASER)(max)
×
(3)
-------------------------------------
V
V
DD(L)
DD(L)
V
DD
150 mV
V
− 150 mV
DD
DC-TO-DC
DC-TO-DC
CONVERTER
CONVERTER
C
C
CFIL
CFIL
MGR519
a. N-substrate monitor diode.
b. P-substrate monitor diode.
Fig.4 Automatic Laser Power Control (ALPC) loop.
1998 Oct 30
5
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VDD
PARAMETER
supply voltage
CONDITIONS
MIN.
−0.5
MAX.
+5.5
UNIT
V
V
V
VDD(L)
Vi(n)
laser supply voltage
−0.5
−0.5
+5.5
input voltage on pins 3, 4, 7, 8, note 1
10, 11, 12 and 14
VDD + 0.5
Vo(LASER)
Vi(DIN)
Ii(DIN)
laser output voltage
note 2
note 3
note 4
note 3
note 4
−0.5
−0.5
−1
VDD(L) + 0.5
V
V
central diode input voltage
central diode input current
RF feedback voltage
RF feedback current
electrostatic handling
−
+1
mA
V
Vi(RFFB)
Ii(RFFB)
Ves
−0.5
−1
−
+1
mA
V
human body model; note 5 −2000
+2000
+250
70
machine model; note 6
−250
V
°C
Tamb
operating ambient temperature
0
Notes
1. The maximum value VDD + 0.5 must not exceed 5.5 V.
2. The maximum value VDD(L) + 0.5 must not exceed 5.5 V.
3. Pins DIN and RFFB are current inputs with a limitation on the maximum input current.
4. The maximum peak current must not exceed ten times the absolute average input current with a maximum for the
absolute average input current of 1 mA. Averaging is only allowed over a maximum time interval of 100 ms.
5. Equivalent to discharging a 100 pF capacitor via a 1.5 kΩ series resistor with a rise time of 15 ns.
6. Equivalent to discharging a 200 pF capacitor via a 2.5 µH series inductor.
QUALITY SPECIFICATION
In accordance with “SNW-FQ-611-E”.
1998 Oct 30
6
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
CHARACTERISTICS
V
DD = 2.4 V; VDD(L) − Vo(LASER) = 0.55 V; Ii(DIN) = 0 mA; Io(LASER) = 80 mA; VCMFB = 1⁄2VDD; PWRON = HIGH;
CDRW = LOW; CCFIL = 10 nF; RRFFB = 10 kΩ; pin RGADJ connected to ground; Tamb = 25 °C; unless otherwise
specified.
SYMBOL
Supplies
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VDD
VDDL(L)
IDD
supply voltage
2.4
2.4
−
−
−
3
−
5.5
5.5
−
V
laser supply voltage
supply current
V
mA
µA
Iq
quiescent supply
current
PWRON = LOW
−
40
RF amplifier
Ii(DIN)
central diode input
current
−70
−
−
+70
µA
Ω
Zi(DIN)
central diode input
impedance
100
−
VCMFB
common mode
0.7
1⁄2VDD
VDD − 0.4
V
feedback input voltage
VO(RFEQO)
RF amplifier output
DC-level
CDRW = LOW
CDRW = HIGH
V
CMFB − 0.05
CMFB − 0.35
−
−
−
VCMFB + 0.25 V
VCMFB + 0.35 V
V
Vo(RFEQO)
Zo(RFEQO)
RF amplifier output
voltage
0.25
VDD − 0.25
V
RF amplifier output
impedance
note 1
−
100
−
Ω
td(f)(RF)
GRF
RF flatness delay
RF path gain boost
RF transimpedance
−
−
−
10
ns
f = 720 kHz; note 2
note 3
5
−
dB
Ztr(RF)
CDRW = LOW
CDRW = HIGH
note 4
9.2
35.6
−
9.8
38
10.4
40.4
−
kΩ
kΩ
dB
THDRF
RF total harmonic
distortion
−50
PSRRRF
RF power supply ripple 0 to 100 kHz
rejection
−
−
40
−
−
dB
Vn(in-band)(rm in-band noise
note 4
2.7
mV
(RMS value)
s)
Laser supply circuit
Vdrop
drop voltage
note 5
0.55
−
−
5.5
V
Io(LASER)(max maximum laser output Vdrop = 0.55 V; note 6 80
−
mA
current
)
Zo(LASER)
laser output impedance Vdrop = 0.55 V; note 7
Io(LASER) = 53 mA
−
−
500
−
−
Ω
Ω
Io(LASER) = 20 mA
1200
1998 Oct 30
7
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Vi(mon)
monitor input voltage
N-substrate
0.132
DD − 0.168
0.150
0.168
DD − 0.132
V
P-substrate
V
V
−
3
−
DD − 0.150
V
V
Ii(mon)
monitor input current
−200
+200
nA
ms
%
tsw(on)(LASER) laser switch-on time
−
−
−
RSref
reference supply
rejection
note 8
note 9
5
Vclamp
ALPC clamp voltage
−
−
0.5
V
Control inputs
Zi(pd) pull-down input
−
−
200
200
−
−
kΩ
kΩ
impedance pin CDRW
Zi(pu)
pull-up input
impedance
pin PWRON
VIL
LOW-level input
voltage
pin CDRW
−0.2
−0.2
−
−
1⁄3VDD
1⁄3VDD
V
V
pin PWRON
VIH
HIGH-level input
voltage
pin CDRW
2⁄3VDD
2⁄3VDD
−
−
VDD + 0.2
VDD + 0.2
V
V
pin PWRON
Notes
1. Closed-loop output impedance (10 kΩ feedback resistor connected between pins RFEQO and RFFB).
2. GRF = (GRFEQO at fEQ) − (GRFEQO at 720 kHz).
3. Values to be used in equation (1).
4. An RF filter of 1 kΩ and 47 pF should be used on the RF output.
5. Vdrop = VDD(L) − Vo(LASER)
.
6. An external resistor can be used to reduce the maximum output current (and the gain) of the laser supply;
see equation (4).
7. The output impedance strongly depends on the drop voltage (Vdrop). The output impedance will approximately double
when the drop voltage doubles.
∆Vmon
-----------------
Vmon
8.
RSref
=
-----------------
∆ V DD
--------------
VDD
9. When a voltage dip at VDD(L) occurs it could cause peak currents on Io(LASER) coming out of the ALPC output.
To protect the laser against such peak currents a protection circuit will switch-off the laser current when Vdrop
becomes lower than Vclamp. When Vdrop > Vclamp the laser will switch-on automatically again.
1998 Oct 30
8
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
MGR520
12
254
handbook, halfpage
(2)
t
G
d
(dB)
(ns)
(1)
8
4
252
250
248
246
0
−4
10
−1
1
10
f (MHz)
ϕ
---------
360
----------------
f
(1) Gain.
(2) Delay.
Definition of delay: td
=
Fig.5 Equalizer gain and delay.
1998 Oct 30
9
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
APPLICATION INFORMATION
The application for the TZA1025 (ADALASLC) with the SAA7325 (CD10LC) using a coupling capacitor of 3.3 nF is
shown in Fig.6.
from
microprocessor
V
V
(2)
DD(LASER)
DD
(1)
R
RGADJ
LD
LD
DD(L)
CFIL
MON
DIN
RGADJ
1
2
3
4
5
6
7
14
13
12
11
10
9
100 nF
10 nF
100 nF
V
V
DD
GND
MON
VCOM
CDRW
RFEQO
RFFB
CMFB
TZA1025
(ADALASLC)
3.3 nF
47 pF
V
1 kΩ
HFIN
DD
GND
(3)
10 kΩ
PWRON
HFREF
8
22
kΩ
ISLICE
100 nF
100 nF
SAA7325
(CD10LC)
OPU
LDON
VRIN
(4)
C2
R2 (4×)
D1
D2
D3
D4
S1
S2
D1
D2
D3
D4
S1
S2
MBK903
6 × 220 pF
LF FILTER
(1) See equation (3) to calculate the value of this resistor.
(2) Pin CDRW can be controlled by the CD10LC or a microprocessor but can also be fixed or switched by any other means.
(3) The 10 kΩ feedback resistor between pins 9 and 10 is a fixed value.
R2 (Ω) × C2 (F)
(4) The high-pass filter (AC-coupling) is placed at the input of the preamplifier. The −3 dB point (f = 10 kHz) is at --------------------------------------------
4
Fig.6 Application diagram with SAA7325 (CD10LC) using a coupling capacitor.
1998 Oct 30
10
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
The application for the TZA1025 (ADALASLC) with the SAA7325 (CD10LC) without a coupling capacitor is shown in
Fig.7. A minimum supply voltage (VDD) is required for optimal performance.
from
(5)
V
(2)
V
DD(LASER)
microprocessor
DD
(1)
R
RGADJ
LD
LD
DD(L)
CFIL
MON
DIN
RGADJ
1
2
3
4
5
6
7
14
13
12
11
10
9
100 nF
10 nF
100 nF
V
V
DD
GND
MON
VCOM
CDRW
RFEQO
RFFB
CMFB
TZA1025
(ADALASLC)
V
1 kΩ
HFIN
DD
GND
47 pF
(3)
10 kΩ
PWRON
HFREF
8
ISLICE
100 nF
100 nF
SAA7325
(CD10LC)
OPU
LDON
VRIN
(4)
C2
R2 (4×)
D1
D2
D3
D4
S1
S2
D1
D2
D3
D4
S1
S2
MBK904
6 × 220 pF
LF FILTER
(1) See equation (3) to calculate the value of this resistor.
(2) Pin CDRW can be controlled by the CD10LC or a microprocessor but can also be fixed or switched by any other means.
(3) The 10 kΩ feedback resistor between pins 9 and 10 is a fixed value.
R2 (Ω) × C2 (F)
(4) The high-pass filter (AC-coupling) is placed at the input of the preamplifier. The −3 dB point (f = 10 kHz) is at --------------------------------------------
4
(5) The minimum supply voltage (VDD) without using a coupling capacitor is 2.8 V.
Fig.7 Application diagram with SAA7325 (CD10LC) without coupling capacitor.
1998 Oct 30
11
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
PACKAGE OUTLINE
SO14: plastic small outline package; 14 leads; body width 3.9 mm
SOT108-1
D
E
A
X
c
y
H
v
M
A
E
Z
8
14
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
7
e
detail X
w
M
b
p
0
2.5
scale
5 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
(1)
(1)
(1)
UNIT
A
A
A
b
c
D
E
e
H
L
L
p
Q
v
w
y
Z
θ
1
2
3
p
E
max.
0.25
0.10
1.45
1.25
0.49
0.36
0.25
0.19
8.75
8.55
4.0
3.8
6.2
5.8
1.0
0.4
0.7
0.6
0.7
0.3
mm
1.75
1.27
0.050
1.05
0.25
0.01
0.25
0.1
0.25
0.01
8o
0o
0.010 0.057
0.004 0.049
0.019 0.0100 0.35
0.014 0.0075 0.34
0.16
0.15
0.244
0.228
0.039 0.028
0.016 0.024
0.028
0.012
inches
0.041
0.01 0.004
0.069
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
EIAJ
95-01-23
97-05-22
SOT108-1
076E06S
MS-012AB
1998 Oct 30
12
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
SOLDERING
Introduction
Wave soldering
Wave soldering techniques can be used for all SO
packages if the following conditions are observed:
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.
• A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave) soldering
technique should be used.
• The longitudinal axis of the package footprint must be
parallel to the solder flow.
• The package footprint must incorporate solder thieves at
the downstream end.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our “Data Handbook IC26; Integrated Circuit Packages”
(order code 9398 652 90011).
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Reflow soldering
Reflow soldering techniques are suitable for all SO
packages.
Maximum permissible solder temperature is 260 °C, and
maximum duration of package immersion in solder is
10 seconds, if cooled to less than 150 °C within
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
6 seconds. Typical dwell time is 4 seconds at 250 °C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Several techniques exist for reflowing; for example,
thermal conduction by heated belt. Dwell times vary
between 50 and 300 seconds depending on heating
method. Typical reflow temperatures range from
215 to 250 °C.
Repairing soldered joints
Fix the component by first soldering two diagonally-
opposite end leads. Use only a low voltage soldering iron
(less than 24 V) applied to the flat part of the lead. Contact
time must be limited to 10 seconds at up to 300 °C. When
using a dedicated tool, all other leads can be soldered in
one operation within 2 to 5 seconds between
270 and 320 °C.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45 °C.
1998 Oct 30
13
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
DEFINITIONS
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1998 Oct 30
14
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
NOTES
1998 Oct 30
15
Philips Semiconductors – a worldwide company
Argentina: see South America
Middle East: see Italy
Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113,
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Tel. +47 22 74 8000, Fax. +47 22 74 8341
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Tel. +41 1 488 2741 Fax. +41 1 488 3263
Indonesia: PT Philips Development Corporation, Semiconductors Division,
Gedung Philips, Jl. Buncit Raya Kav.99-100, JAKARTA 12510,
Tel. +62 21 794 0040 ext. 2501, Fax. +62 21 794 0080
Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1,
TAIPEI, Taiwan Tel. +886 2 2134 2865, Fax. +886 2 2134 2874
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209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260,
Tel. +66 2 745 4090, Fax. +66 2 398 0793
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Tel. +353 1 7640 000, Fax. +353 1 7640 200
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Turkey: Talatpasa Cad. No. 5, 80640 GÜLTEPE/ISTANBUL,
TEL AVIV 61180, Tel. +972 3 645 0444, Fax. +972 3 649 1007
Tel. +90 212 279 2770, Fax. +90 212 282 6707
Italy: PHILIPS SEMICONDUCTORS, Piazza IV Novembre 3,
Ukraine: PHILIPS UKRAINE, 4 Patrice Lumumba str., Building B, Floor 7,
20124 MILANO, Tel. +39 2 6752 2531, Fax. +39 2 6752 2557
252042 KIEV, Tel. +380 44 264 2776, Fax. +380 44 268 0461
Japan: Philips Bldg 13-37, Kohnan 2-chome, Minato-ku,
United Kingdom: Philips Semiconductors Ltd., 276 Bath Road, Hayes,
TOKYO 108-8507, Tel. +81 3 3740 5130, Fax. +81 3 3740 5077
MIDDLESEX UB3 5BX, Tel. +44 181 730 5000, Fax. +44 181 754 8421
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Tel. +1 800 234 7381
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Tel. +60 3 750 5214, Fax. +60 3 757 4880
Uruguay: see South America
Vietnam: see Singapore
Mexico: 5900 Gateway East, Suite 200, EL PASO, TEXAS 79905,
Tel. +9-5 800 234 7381
Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD,
Tel. +381 11 625 344, Fax.+381 11 635 777
For all other countries apply to: Philips Semiconductors,
Internet: http://www.semiconductors.philips.com
International Marketing & Sales Communications, Building BE-p, P.O. Box 218,
5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825
© Philips Electronics N.V. 1998
SCA60
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license
under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
545102/00/01/pp16
Date of release: 1998 Oct 30
Document order number: 9397 750 04251
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