DATASHEETS tda1300t DATASHEETS (Philips)

INTEGRATED CIRCUITS
DATA SH EET
TDA1300T
Photodetector amplifiers and laser supply
Product specification Supersedes data of 1995 Sep 27 File under Integrated Circuits, IC01
1995 Nov 16
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply
FEATURES
Six input buffer amplifiers with low-pass filtering with virtually no offset
HF data amplifier with a high or low gain mode
Two built-in equalizers for single or double speed mode
ensuring high playability in both modes
Full automatic laser control including stabilization and an on/off switch and containing a separate supply V for power reduction
Applicable with N-sub laser with N-sub or P-sub monitor diode
Adjustable laser bandwidth and laser switch-on current slope
Protection circuit preventing laser damage due to supply voltage dip
Optimized interconnect between pick-up detector and TDA1301
Wide supply voltage range
Wide temperature range
Low-power consumption.
DDL
TDA1300T
GENERAL DESCRIPTION
The TDA1300 is an integrated data amplifier and laser supply for three beam pick-up detectors applied in a wide range of mechanisms for Compact Disc and Read Only optical systems. It offers 6 amplifiers which amplify and filter the focus and radial diode signals adequately and provides an equalized RF signal for single or double speed mode which can be switched by means of the speed control pin.
The device can handle astigmatic, single foucault and double foucault detectors and is applicable with all N-sub laser, N-sub or P-sub monitor diode units.
After a single initial adjustment the circuit keeps control over the laser diode current resulting in a constant light output power independent of ageing. The chip is mounted in a small SO24 package enabling mounting close to the laser pick-up unit on the sledge.
QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
DD
supply voltage 3 5.5 V
Diode current amplifiers 6 times
G
dn
I
os(d)
B 3 dB bandwidth I
amplification 1.43 1.55 1.67 offset current −−100 nA
= 1.67 µA50−−kHz
i(d)
RFE amplifier (built-in equalizer)
t
d(eq)
t
d(f)
equalization delay time fi= 0.3 MHz 320 ns flatness delay time double-speed 5 ns
Laser supply
I
o(l)
output current V
=3V −−−100 mA
DDL
ORDERING INFORMATION
PACKAGE
TYPE NUMBER
NAME DESCRIPTION VERSION
TDA1300T SO24 plastic small outline package; 24 leads; body width 7.5 mm SOT137-1
1995 Nov 16 2
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
SCHEMATIC DIAGRAM
to
motor
spindle
left
right
clk
(SAA7345)
DECODER
PLL
AMP
POWER
SUBCODE
DECODER
MOTOR
CONTROL
KEYBORD
DISPLAY
PROCESSOR
DISPLAY
end_stop_switch
MBG473
DDD
V
DDA
V
NRST
DDD
V
DDA
V
DD
V
G SP RF(E)
OTD
CLO
D1
O1
I1
XTLI
D2
O2
DIODE
I2
XTLO
DIGITAL SERVO IC
D3
D4
O3
O4
AND
LASER
AMPLIFIER
I3
I4
XTLR
R1
O5
SUPPLY
I5
TS1
TDA1301
R2
V
O6
TDA1300
I6
RL
TS2
V
MI
RH
SICL
LDON
LDON
LO
SIDA
O ADJ GND
DDL
V
SILD
1 nF
clk
SSD
RA FO SL V
SSK
V
DD
V
2.5 to 5 V
DD
V
G SP RF(E)
O1
I1
focus
O2
I2
actuator
DIODE
O3
AMPLIFIER
I3
radial
actuator
sledge
(TDA7072/7073)
POWER AMPLIFIER
O4
O5
O6
AND
LASER
SUPPLY
TDA1300
I4
I5
I6
MI
LDON
LO
O ADJ GND
DDL
V
1 nF
ADJp
R
2.5 to 5 V
handbook, full pagewidth
Fig.1 Schematic diagram for CD player.
photo-
configuration
N-sub monitor
1995 Nov 16 3
diodes
mon
ADJn
R
la
photo-
diodes
configuration
P-sub monitor
mon
la
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
BLOCK DIAGRAM
handbook, full pagewidth
I6
23 2
in
I6
6
1.5x
Id6
out
O6
HG
LS
I5
20
in
I5
24
I4
22
I3
19
I2
21
I1
11 12
5
I4
in
4
I3
in
3
I2
in
2
I1
in
1
I
csin
1.5x
1.5x
1.5x
1.5x
1.5x
95, 120, 134 or 240 k
I/V
−4
Id5
Id4
Id3
Id2
Id1
TDA1300T
out
out
out
out
out
5
O5
1
O4
3
O3
6
O2
4
O1
9
RFE
1995 Nov 16 4
ADJ
V
DD
GND
10
14
I
(P-sub)
ADJ
(N-sub) or
V
mon
17
MI
I
(P-sub)
mon
18 15
SUPPLY
V
gap
OTA
CL
ILO
ON/OFF
13
MBG474
(N-sub) or
V
DD
RF
8
V
DDL
16
LO
7
LDON
Fig.2 Block diagram.
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
PINNING
SYMBOL PIN DESCRIPTION
O4 1 output of current amplifier 4 O6 2 output of current amplifier 6 O3 3 output of current amplifier 3 O1 4 output of current amplifier 1 O5 5 output of current amplifier 5 O2 6 output of current amplifier 2 LDON 7 control pin for switching the laser
on and off
V
DDL
8 laser supply voltage
RFE 9 equalized output voltage of sum
signal of amplifiers 1 to 4 RF 10 unequalized output HG 11 control pin for gain switch LS 12 control pin for speed switch CL 13 external capacitor ADJ 14 if connected via resistor to GND
P-sub monitor. If connected to
N-sub monitor
V
DD
GND 15 zero supply connection,
substrate connection LO 16 output for the laser, current output MI 17 input for the monitor diode of the
laser V
DD
18 positive supply connection I2 19 photo detector input 2 (central) I5 20 photo detector input 5 (satellite) I1 21 photo detector input 1 (central) I3 22 photo detector input 3 (central) I6 23 photo detector input 6 (satellite) I4 24 photo detector input 4 (central)
handbook, halfpage
1
O4
2
O6
3
O3
4
O1
5
O5
6
O2
TDA1300T
7
LDON
8
V
DDL
9
RFE
10
RF
11
HG
12
LS
MBG472
Fig.3 Pin configuration.
24
I4
23
I6
22
I3
21
I1
20
I5
19
I2
18
V
DD
17
MI
16
LO
15
GND
14
ADJ
13
CL
1995 Nov 16 5
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
FUNCTIONAL DESCRIPTION
The TDA1302T can be divided into two main sections:
1. Laser control circuit
2. Photo diode signal filter and amplification section.
Laser control circuit
The main function of the laser control circuit is to control the laser diode current in order to achieve a constant light output power. This is done by monitoring the monitor diode. There is a fixed relation between light output power of the laser and the current of the monitor diode. The circuit can handle P-sub or N-sub monitor diodes.
MONITOR
N-sub In this event pin 14 (ADJ) must be connected to the
positive supply voltage VDD to select the N-sub mode. With an adjustable resistor (R
) across the diode the monitor
ADJn
current can be adjusted (and so the laser light output power) if one knows that the control circuit keeps the monitor voltage V
at a constant level of
mon
approximately 150 mV.
MONITOR
P-sub
R
ADJn
---------------­C
L
KA
× 8709×10×
ext
(Hz) in case of
f
BN
N-sub monitor where A
amplifier, if applied, and K = I determined by the laser/monitor unit. I
represents the AC gain of an extra loop
ext
/I
laser
mon
which is
is the
mon
average current (pin 17) at typical light emission power of the laser diode.
The third part is the power output stage, its input being the integrator output signal. This stage has a separate supply voltage (V
) thereby offering the possibility of reduced
DDL
power consumption by supplying this pin with the minimum voltage necessary.
It also has a laser diode protection circuit which comes into action just before the driving output transistor will get saturated due to a large voltage dip on V
. Saturation
DDL
will result in a lower current of the laser diode, which normally is followed immediately by an increment of the voltage of the external capacitor CL. This could cause damage to the laser diode at the end of the dip. The protection circuit prevents an increment of the capacitor voltage and thus offers full protection to the laser diode under these circumstances.
In this event pin 14 (ADJ) is connected via resistor R
ADJp
to ground. The P-sub mode is selected and pin 14 (ADJ) acts as reference bandgap voltage, providing together with R
an adjustable current l
ADJp
keeps the monitor current at a level which is 10 × l
. Now the control circuit
ADJ
ADJ
. The circuit is built-up in three parts: The first part is the input stage which is able to switch
between both modes (N-sub or P-sub). The second part is the integrator part which makes use of
an external capacitor CL. This capacitor has two different functions:
1. During switch-on of the laser current, it provides a
current slope of typically:
10
----------­C
6–
(A/s)
L
I
LO
----------- ­t
2. After switch-on it ensures that the bandwidth is in accordance with the typical formula:
KA
× 909×10×
f
BP
ext
-------------------------------------------------
×
C
LImon
(Hz) in case of
P-sub monitor.
Photo diode signal filter and amplification section
This section has 6 identical current amplifiers. Amplifiers 1 to 4 are designed to amplify the focus photo diode signals. Each amplifier has two outputs, an LF output and an internal RF output. Amplifiers 5 and 6 are used for the radial photo diode currents and only have a LF output. All 6 output signals are low-pass filtered with a corner frequency at 69 kHz. The internal RF output signals are summed together and converted to a voltage afterwards by means of a selectable transresistance.
This transresistance R
can be changed between 140 k
RF
(3.3 V application) or 240 k(5 V application) in combination with the P-sub monitor. In the event of the N-sub monitor selection, RRF can be changed between 70 k(3.3 V application) and 120 k(5 V application). The RF signal is available directly at pin 10 but there is also an unfiltered signal available at pin 9.
The used equalization filter has 2 different filter curves:
1. One for single-speed mode
2. One for double-speed mode.
1995 Nov 16 6
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
Table 1 Gain and monitor modes
PIN MODE
HG ADJ R
0R
to ground 140 k P-sub
ADJp
0 1 70 k N-sub
(1)
1
(1)
1
R
to ground 240 k P-sub
ADJp
1 120 k N-sub
Note
1. Logic 1 or not connected.
Table 2 Speed and laser modes; note 1
PIN DEFAULT
LS
LDON
(2)
11 0X 1X
Notes
1. 1 = HIGH voltage V
; 0 = LOW voltage GND; X = don’t care.
DD
2. If not connected.
3. X = don’t care.
RF
MONITOR
3.3 V
5V
MODE
SPEED LASER
SINGLE DOUBLE on off
INTENDED APPLICATION AREA
(3)
(3)
(3)
X
10
X
(3)
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
DD
P
max
T
stg
T
amb
(1)
V
es
supply voltage 8V maximum power dissipation 300 mW storage temperature 65 +150 °C operating ambient temperature 40 +85 °C electrostatic handling pin 16 note 2 2+2kV electrostatic handling (all other pins) 3+3kV
Notes
1. Classification A: human body model; C = 100 pF; R = 1500 ; V = ± 2000 V. Charge device model: C = 200 pF; L = 2.5 µH; R = 0 ; V = 250 V.
2. Equivalent to discharging a 100 pF capacitor through a 1.5 k series resistor.
THERMAL RESISTANCE
SYMBOL PARAMETER VALUE UNIT
R
th j-a
from junction to ambient in free air 60 K/W
1995 Nov 16 7
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
QUALITY SPECIFICATION
In accordance with
Reference Handbook”
“SNW-FQ-611 part E”
. The numbers of the quality specification can be found in the
. The handbook can be ordered using the code 9397 750 00192.
“Quality
CHARACTERISTICS
V (R
DD
ext
= 3.3 V; V
= 750 , C
= 2.5 V; T
DDL
= 47 pF) at the RFE output pin.
ext
=25°C; R
amb
=48kΩ; HG = logic 1; LS = logic 1; with an external low pass filter
ADJ
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supply
I V V P
DD
DD DDL diss
supply current laser off 7 mA amplifier supply voltage 3 5.5 V laser control supply voltage 2.5 5.5 V power dissipation laser off; VDD=3V 20 mW
Diode current amplifiers (n = 1 to 6; m = 1 to 6)
I
i(d)
N
eq
V
i(d)
V
o(d)
G
dn
I
os(d)
Z
o(d)
B 3 dB bandwidth I G
mm
diode input current note 1 −− 10 µA equivalent noise input 1 pA/Hz diode input voltage I
= 1.67 µA 0.9 V
i(d)
diode output voltage 0.2 VDD− 1V amplification I
diode output offset current I output impedance Idi= 1.67 µA; V
mismatch in amplification Idi= 1.67 µA;
= 1.67 µA;
i(d)
V
= 0 V; note 2
o(dn)
csin=Itsin
i(d)
= 0; note 3 −− 100 nA
=0V 500 −− k
o(dn)
= 1.67 µA5068kHz
1.43 1.55 1.67 times
−− 3%
V
o(dn)=Vo(dm)
Data amplifier; equalized single and double speed
V
RFO
R
RF nl
R
RF nh
R
RF pl
R
RF ph
V
RFMO
SR
RF
Z
oRF
t
d(eq)
t
d(f)
DC output voltage I transresistance (gain) nl note 3 56 70 84 k transresistance (gain) nh note 3 96 120 144 k transresistance (gain) pl note 4 112 140 168 k transresistance (gain) ph note 4 200 240 285 k output voltage note 5 −− V slew rate VSR= 1 V (peak-to-peak) 6 V/µs output impedance fi= 1 MHz 100 −Ω equalization delay 320 ns flatness delay (Φ/ω) LS = 1; note 6 10 ns
=0 0.3 V
csin
DD
1.2 V
LS = 0; note 6 5 ns
G
R
B
RF
gain ratio note 6 4.5 6 dB unequalized output bandwidth I
= 1.67 µA35MHz
i(d)
1995 Nov 16 8
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Control pins LDON, LS and HG (with 47 k internal pull-up resistor)
V
IL
V
IH
I
IL
Laser output
V
o(l)
I
o(l)
/t slew rate output current C
∆
lo(l)
Monitor diode input
V
ref
I
L
) monitor input voltage P-sub mode VDD− 0.7 − V
V
i(mon
I
i(mon)
T reference temperature drift N-sub mode 40 ppm SR
ref
Reference source V
V
ref
T reference temperature drift 40 ppm SR
ref
I
ADJ
Z
i
M multiplying factor (I
Notes to the characteristics
1. The maximum input current is defined as the current in which the amplification Adn reaches its minimum. Increasing the supply voltage to VDD= 5 V increases the maximum input current (see also Figs 4 and 5).
2. The amplification increases if a larger supply voltage is used (see Fig.6).
3. Transresistance 70 k and 120 k is only available in N-sub monitor mode. (see Table 1).
4. Transresistance 140 kand 240 k is only available in P-sub monitor mode. (see Table 1).
5. Output voltage swing will be: V
6. For single speed the gain ratio is defined as gain difference between 1 MHz and 100 kHz, while the flatness delay is defined up to 1 MHz (see Fig.7). For double speed the gain ratio is defined as gain difference between 2 MHz and 200 kHz, while the flatness delay is defined up to 2 MHz.
LOW level input voltage 0.2 +0.5 V HIGH level input voltage VDD− 1 VDD+ 0.2 V LOW level input current −− 100 µA
output voltage I
= 100 mA 0.2 V
o(l)
DDL
0.7 V
output current −− −100 mA
=1nF 3.4 mA/µs
Lint
virtual reference voltage N-sub mode 130 150 170 mV leakage current N-sub mode 1 nA
monitor input current P-sub mode −− 2mA
reference supply rejection N-sub mode −− 1%
and laser adjustment current I
ADJ
reference voltage R
ADJ
ADJ
=48k 1.15 1.24 1.31 mV
reference supply rejection −− 1% adjustment current R input impedance R
mon/IADJ
) 10 −−
RFS=VRFM
= 5.6 kΩ−200 µA
ADJ
= 4.8 kΩ−1k
ADJ
V
RFO(p-p)
.
1995 Nov 16 9
Philips Semiconductors Product specification


Photodetector amplifiers and laser supply TDA1300T
Transfer function
The equalized amplifier including C
and R
ext
has the following transfer functions, where ‘RFE’ refers to equalized
ext
output only and ‘RF’ refers to equalized and not equalized outputs.
F
OR SINGLE SPEED (SP = LOGIC 1)
2
V
RFE
------------­I
csin
F
OR DOUBLE SPEED (SP = LOGIC 0)
V
RFE
------------­I
csin
1ks
R
RF
R

-----------------------------------------------------------------------­11Q⁄ sω
1ks

------------------------------------------------------------------------ -
RF
11Q⁄ sω
2
ω
os
s
+×+
os
2
2
ω
s
od
2
os
os
+×+
2
od
1
----------------------­1sω
××=
×××=
+
1
----------------------------------------- ­1sR
----------------------------------------- ­1sR
1
×+
extCext
The denominator forms the denominator of a Bessel low-pass filter.
Table 3 Transresistance
SYMBOL DESCRIPTION TYP. UNIT
k internally defined 4
ω
os/ω1
= ωod/ω
2
internally defined 1.094
Q internally defined 0.691
ω
od
R
RF
R
ext
C
ext
=2×ω
os
internally defined 17.6 × 10 see Chapter “Characteristics” external resistor 750 external capacitor 47 pF
1
×+
extCext
6
(1)
(2)
rad/s
1995 Nov 16 10
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
handbook, full pagewidth
24
I
i(max)
(µA)
20
16
12
8
3 3.5 4 4.5 5
=test limit.
Fig.4 Maximum input current as a function of VDD.
VDD (V)
MBG471
5.5
40
handbook, full pagewidth
I
o
(µA)
30
20
10
0
010 30
=test limit. (1) Gdn= 1.43.
(2) VDD= 5.5V. (3) VDD= 3.4V.
(1)
(2)
(3)
20
Fig.5 Output current as a function of input current.
Ii (µA)
MBG469
40
1995 Nov 16 11
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
1.75
handbook, full pagewidth
Io/I
i
(mA)
1.65
1.55
1.45
1.35 3 3.5 4 4.5 5
= test limit.
Fig.6 Gain as a function of VDD.
VDD (V)
MBG470
5.5
9.0
handbook, full pagewidth
gain (dB)
7.0
5.0
3.0
1.0
1.0 10
(1) Single speed. (2) Double speed.
(1)
(1)
2
10
Fig.7 Transfer of equalizer.
MBG468
450
t
d
(ns)
400
350
(2)
(2)
3
10
f (kHz)
300
250
200
4
10
1995 Nov 16 12
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
INTERNAL PIN CONFIGURATION
book, full pagewidth
V
DD
GND
V
I1 I2 I3 I4 I5 I6
DDL
LO
V
DD
47 k
LDON
HG
LS
V
DD
O1 O2 O3 O4 O5 O6
ADJ
V
DD
V
DD
P-sub mode
CL
RF RFE
MI
V
V
V
DD
DD
DD
V
from
LDON
circuitry
DD
1995 Nov 16 13
N-sub mode
MI
MBG475
Fig.8 Equivalent internal pin diagrams.
V
DD
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
PACKAGE OUTLINE
SO24: plastic small outline package; 24 leads; body width 7.5 mm
D
c
y
Z
24
pin 1 index
1
e
13
12
w M
b
p
SOT137-1
E
H
E
Q
A
2
A
1
L
p
L
detail X
(A )
A
X
v M
A
A
3
θ
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
mm
OUTLINE VERSION
SOT137-1
A
max.
2.65
0.10
A1A2A
0.30
0.10
0.012
0.004
UNIT
inches
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
1995 Nov 16 14
0 5 10 mm
b
3
p
2.45
2.25
0.096
0.089
IEC JEDEC EIAJ
075E05 MS-013AD
0.25
0.01
0.49
0.36
0.019
0.014
0.32
0.23
0.013
0.009
(1)E(1) (1)
cD
15.6
7.6
15.2
7.4
0.61
0.30
0.60
0.29
REFERENCES
scale
eHELLpQ
1.27
0.050
10.65
10.00
0.42
0.39
1.4
0.055
1.1
0.4
0.043
0.016
1.1
1.0
0.043
0.039
0.25
0.25 0.1
0.01
0.01
EUROPEAN
PROJECTION
ywv θ
Z
0.9
0.4
8
0.004
ISSUE DATE
0.035
0.016
92-11-17
95-01-24
0
o o
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
SOLDERING Introduction
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.
This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our
“IC Package Databook”
Reflow soldering
Reflow soldering techniques are suitable for all SO packages.
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.
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.
Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 minutes at 45 °C.
(order code 9398 652 90011).
Wave soldering
Wave soldering techniques can be used for all SO packages if the following conditions are observed:
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.
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.
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 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.
Repairing soldered joints
Fix the component by first soldering two diagonally­opposite 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.
1995 Nov 16 15
Philips Semiconductors Product specification
Photodetector amplifiers and laser supply TDA1300T
DEFINITIONS
Data sheet status
Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification 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.
1995 Nov 16 16
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