AP358NG-U [DIODES]
LOW POWER DUAL OPERATIONAL AMPLIFIERS; 低功耗双运算放大器型号: | AP358NG-U |
厂家: | DIODES INCORPORATED |
描述: | LOW POWER DUAL OPERATIONAL AMPLIFIERS |
文件: | 总15页 (文件大小:294K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
General Description
Features
The AP358 series consists of two independent, high gain,
internally frequency compensated operational amplifiers which
were designed specifically to operate from a single power supply
over a wide range of voltages. Operation from split power
supplies is also possible and the low power supply current drain
is independent of the magnitude of the power supply voltage.
•
•
•
Internally frequency compensated for unity gain
Large dc voltage gain: 100 dB
Very low supply current drain (500µA)-essentially
independent of supply voltage
Wide bandwidth (unity gain): 1 MHz (temperature
compensated)
•
•
•
Input common-mode voltage range includes ground
Differential input voltage range equal to the power
supply voltage
Low input offset voltage: 2mV
Wide power supply range:
Application areas include transducer amplifiers, dc gain blocks
and all the conventional op amp circuits which now can be more
easily implemented in single power supply systems. For example,
the AP358 series can be directly operated off of the standard +5V
power supply voltage which is used in digital systems and will
easily provide the required interface electronics without requiring
the additional ±15V power supply.
•
•
Single supply: 3V to 32V
Or dual supplies: ±1.5V to ±16V
Large output voltage swing: 0V to V+ - 1.5V
8-pin SOP, PDIP package
Lead Free Finish/RoHS Compliant for Lead Free and
“Green” products (Note 1)
•
•
•
•
SOP-8L: Available in “Green” Molding Compound (No
Br, Sb)
Pin Descriptions
Advantages
Pin Name
OUTPUT 1
INVERTING
INPUT 1
Pin#
Description
1
Channel 1 Output
•
•
•
•
•
Eliminate the need for dual supplies
Compatible with all forms of logic
Two internally compensated op amps
Low power drain suitable for battery operation
Allows direct sensing near GND and VOUT also goes to
GND
2
Channel 1 Inverting Input
NON-INVERTING
INPUT 1
Channel 1 Non-inverting
Input
3
4
GND
Ground
NON-INVERTING
INPUT 2
Channel 2 Non-inverting
Input
5
INVERTING
INPUT 2
6
Channel 2 Inverting Input
OUTPUT 2
V+
7
8
Channel 2 Output
Chip Supply Voltage
Ordering Information
AP358 X X X
Package
Lead-Free
Packing
S : SOP-8L
N : PDIP-8L
L: Lead Free
G: Green (Note 2)
U
-
:
Tube
-13 : Taping
Notes: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
2. Green is for SOP-8L.
Tube
Part Number
13” Tape and Reel
Device
(Note 3)
Package
Code
Packaging
Quantity
Quantity
Part Number
Suffix
Suffix
AP358S
AP358N
S
N
SOP-8L
PDIP-8L
100
60
-U
-U
2500/Tape & Reel
NA
-13
NA
Lead-free
Note:
3. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP358 Rev. 4
1 of 15
OCTOBER 2006
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Unique Characteristics
•
In the linear mode the input common-mode voltage range includes ground and the output voltage can also swing to ground,
even though operated from only a single power supply voltage.
•
•
The unity gain cross frequency is temperature compensated.
The input bias current is also temperature compensate
Pin Assignment
(Top View)
1
2
3
4
8
7
6
5
V+
OUTPUT 1
OUTPUT 2
INVERTING INPUT 1
AP358
NON-INVERTING INPUT 1
GND
INVERTING INPUT 2
NON-INVERTING INPUT 2
SOP-8L
(Top View)
V+
1
8
OUTPUT 1
INVERTING INPUT 1
NON-INVERTING INPUT 1
GND
2
3
4
7
6
5
OUTPUT 2
AP358
INVERTING INPUT 2
NON-INVERTING INPUT 2
PDIP-8L
Block Diagram
1
2
3
4
8
7
+
OUTPUT 1
V
OUTPUT 2
INVERTING INPUT 1
NON-INVERTING INPUT 1
GND
A
B
-
+
+
-
6
5
INVERTING INPUT 2
NON-INVERTING INPUT 2
AP358 Rev. 4
2 of 15
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Voltage Controlled Oscillator ( VCO )
R
100K
0.05µF
-
+VC*
-
1/2 AP358
51K
OUTPUT1
OUTPUT2
+
1/2 AP358
V+/2 51K
R/2
51K
+
51K
100K
10K
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC
Supply voltage
Differential Input Voltage
Input Voltage
32
32
V
V
V
VIN
PD
-0.3 to +32
600
mW
Power Dissipation (Note 4)
V+ < 15V and TA=25oC
Input Current (VIN < -0.3V)
(Note 6)
Continuous
40
Output Short-Circuit to GND
(One Amplifier) (Note 5)
mA
TOP
TST
Operating Temperature Range
Storage Temperature Range
0 to +70
-65 to +150
oC
oC
Note:
Note:
Note:
4. For operating at high temperatures, the AP358 must be derated based on a +125°C maximum junction temperature and a
thermal resistance of 120°C/W for DIP and 189°C/W for Small Outline package, which applies for the device soldered in a
printed circuit board, operating in a still air ambient. The dissipation is the total of both amplifiers—use external resistors,
where possible, to allow the amplifier to saturate or to reduce the power which is dissipated in the integrated circuit.
5. Short circuits from the output to V+ can cause excessive heating and eventual destruction. When considering short circuits
to ground, the maximum output current is approximately 40mA independent of the magnitude of V+. At values of supply
voltage in excess of +15V, continuous short-circuits can exceed the power dissipation ratings and cause eventual
destruction. Destructive dissipation can result from simultaneous shorts on all amplifiers.
6. This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base
junction of the input PNP transistors becoming forward biased and thereby acting as input diode clamps. In addition to this
diode action, there is also lateral NPN parasitic transistor action on the IC chip. This transistor action can cause the output
voltages of the op amps to go to the V+ voltage level (or to ground for a large overdrive) for the time duration that an input is
driven negative. This is not destructive and normal output states will re-establish when the input voltage, which was
negative, again returns to a value greater than -0.3V (at 25°C).
AP358 Rev. 4
3 of 15
OCTOBER 2006
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Electrical Characteristics ( TA = 25oC, V+ = +5.0V, unless otherwise stated ) (Note 7)
Symbol
Parameter
Input Offset Voltage
Conditions
TA = 25oC, (Note 8)
Min.
Typ. Max. Unit
VIO
-
2
7
mV
I
V
IN(+) or IIN(−), TA = 25°C,
CM = 0V, (Note 9)
IB
IIO
Input Bias Current
-
-
45
250
nA
IIN(+) - IIN(−),VCM = 0V,
Input Offset Current
5
50
nA
V
TA = 25°C
V+ = 30V, (Note 10)
TA = 25°C
VICM
Input Common-Mode Voltage Range
0
-
-
1
V+ -1.5
2
RL = ∞ on V+ = 30V
Supply Current
Over Full Temperature Range
IS
mA
All Op
V+ = 5V
Amps
-
0.5
1.2
V+ = 15V, TA = 25°C,
RL > 2kΩ,
AV
Large Signal Voltage Gain
25
100
-
V/mV
(For VO = 1V to 11V)
TA = 25°C, VCM = 0V to
V+ -1.5V
CMRR
PSRR
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
65
65
85
-
-
dB
dB
V+ = 5V to 30V,
TA = 25°C
100
f = 1KHz to 20 KHz,
TA = 25°C
(Input Referred),
(Note 11)
Amplifier-to-Amplifier Coupling
-
-120
-
dB
Note:
Note:
Note:
7.
8.
9.
The AP358 temperature specifications are limited to 0°C < TA < +70°C.
1.4V, RS = 0Ω with V+ from 5V to 30V; and over the full input common-mode range (0V to V+ -1.5V) at 25°C.
VO
≅
The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant,
independent of the state of the output so no loading change exists on the input lines.
Note:
Note:
10. The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V (at
25°C). The upper end of the common-mode voltage range is V+ -1.5V (at 25°C), but either or both inputs can go to +32V
without damage, independent of the magnitude of V+.
11. Due to proximity of external components, insure that coupling is not originating via stray capacitance between these
external parts. This typically can be detected as this type of capacitance increases at higher frequencies.
AP358 Rev. 4
4 of 15
OCTOBER 2006
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Electrical Characteristics ( Continued ) ( V+ = +5.0V, unless otherwise stated ) (Note 5)
Symbol
Parameter
Conditions
Min.
Typ. Max.
Unit
VIN- = 1V, VIN+ = 0V,
V+ = 15V, VO = 2V,
TA = 25°C
10
20
70
-
-
mA
ISINK
Sink
VIN- = 1V, VIN+ = 0V,
V+ = 15V, VO =
20
µA
Output Current
200mV, TA = 25°C
VIN+ = 1V, VIN- = 0V,
V+ = 15V, VO = 2V,
TA = 25°C
ISOURCE
ISC
Source
20
-
40
40
-
mA
mA
TA = 25°C, (Note 5)
Short Circuit to Ground
Output Voltage Swing
60
V+ = 15V
RL = 2kΩ, TA = 25oC
RL = 10kΩ, TA = 25oC
RL = 10kΩ, TA = 25oC
26
27
-
-
28
5
-
-
20
V
V
mV
VOH
VOL
(V+=30V)
(V+=5V)
Note:
5. Short circuits from the output to V+ can cause excessive heating and eventual destruction. When considering short circuits
to ground, the maximum output current is approximately 40mA independent of the magnitude of V+. At values of supply
voltage in excess of +15V, continuous short-circuits can exceed the power dissipation ratings and cause eventual
destruction. Destructive dissipation can result from simultaneous shorts on all amplifiers.
AP358 Rev. 4
5 of 15
OCTOBER 2006
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Typical Single-Supply Circuit ( Continued ) ( V+ = 5.0 VDC
)
Non-Inverting DC Gain ( 0V Output )
+5V
*
+VIN
+
+VO
1/2 AP358
-
R2
1M
R2
R1
GAIN=1+
R1
10K
=101(as shown)
*R not needed due to temperature independent IIN
VIN (mV)
R
100K
R1
910K
+V1
+V2
+
R2
100K
R
100K
V+
R
100K
1/2 AP358
VO
-
R
100K
-
1/2 AP358
R3
91K
VO
RL
+V3
+V4
+VIN
+
R
R
100K
100K
VO=0 VDC for VIN = 0 VDC
AV =10
Where: V =V1+V2-V3-V
(V1+V2) >O(V3+V4) to ke4ep V > 0 VDC
O
Power Amplifier
DC Summing Amplifier
(VIN'S > 0 VDC and VO > 0 VDC)
R1
100K
C2
330pF
-
R2
100K
R7
470K
1/2 AP358
V
+
-
IN
R4
10M
R3
1/2 AP358
100K
+
R5
470K
C1
330pF
-
VO
V+
R8
100K
1/2 AP358
fO= 1KHz
Q = 50
+
+
R6
100K
C3
10µF
"BI-QUAD" RC Active Bandpass Filter
AP358 Rev. 4
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Typical Single-Supply Circuit ( Continued ) ( V+ = 5.0 VDC
)
V+
R1*
0.1
IL
+
VL
R1
2K
R3
2K
R4
2K
2V
-
+
RL
+
2V
-
R2
100
-
1/2 AP358
-
1/2 AP358
I1
I2
+
1V(IL)
0.1A
R2
3K
VO =
1mA
VO
R3
1K
*(Increase R1 for I small)
L
I1 = I2
VL < V+ -2V
Current Monitor
Fixed Current Sources
V+
-
20mA
-
30mA
β > 20
1/2 AP358
600mA
82
1/2 AP358
100
+
+
LED Driver
Lamp Driver
-
-
1/2 AP358
RL
240
VO
1/2 AP358
+
+VIN
+
Driving TTL
VO = VIN
Voltage Follower
R1
1M
R1
100K
IN914
IN914
C
R2
100K
0.001µF
-
0.001µF
VO
-
1/2 AP358
+
0
VO
+
1/2 AP358
R2
100K
R4
100K
+
0
+
V+
R3
R5
100K
R3
100K
100K
V+
R4
100K
Squarewave Oscillator
Pulse Generator
AP358 Rev. 4
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Typical Single-Supply Circuit ( Continued ) ( V+ = 5.0 VDC
)
IB
-
-
VO
1/2 AP358
IB
+
1/2 AP358
ZOUT
C
+VIN
ZIN
+
1µF
2IB
2N929*
0.001µF
*hi β AT 100 nA
IB
(POLYCARBONATE OR
POLYETHYLENE)
+
3R
3M
2IB
1/2 AP358
HIGH ZIN
LOW ZOUT
-
AUX AMP
INPUT CURRENT
COMPENSATION
R
IM
IB
Low Drift Peak Detector
R1
IN914
30K
IO
+VIN
+
-
1/2 AP358
0.01µF
R2
VO
-
150K
1/ 2 AP358
+
0
+
R3
100K
R5
100K
RL
10
IO =0.1 amp / volt V
(increase RE for IOsmall)
V+
IN
R4
100K
High Compliance Current Sink
Pulse Generator
0.05µF
R
100K
-
+VC*
-
1/2 AP358
51K
+
OUTPUT1
OUTPUT2
1/2 AP358
V+/2 51K
R/2
50K
+
51K
100K
10K
*WIDE CONTROL VOLTAGE RANGE: 0 VDC < VC < 2 (V+ -1.5VDC
)
Voltage Controlled Oscillator (VCO)
AP358 Rev. 4
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Typical Single-Supply Circuit ( Continued ) ( V+ = 5.0 VDC
)
Rf
10K
R1
10K
CIN
-
+VIN
-
0
3 Vpp
+
CO
VO
VIN
1/2 AP358
R1
VO
1/2 AP358
10K
RB
6.2K
RL
10K
+
+VREF
R2
10M
+
R2
100K
R3
100K
V+
+
C1
Rf
AV=
(As shown, AV=10)
10µF
R1
AC Coupled Inverting Amplifier
Comparator with Hysteresis
R1
100K
R2
1M
R1
1M
+
C1
0.1µF
R2
1M
-
0
3 Vpp
VO
1/2 AP358
+
CO
VO
VR
R
1/2 AP358
-
CIN
-
R3
1M
R4
1M
RB
RL
10K
+
6.2K
R4
100K
+
R3
1M
+VCM
VIN
AV=11(As Shown)
V+
R2
+
R5
100K
VO=VR
AV=1+
C2
10µF
R1
Ground Referencing a Differential
Input Signal
AC Coupled Non-Inverting Amplifier
R2
100K
R4
C1
0.01µF
R1
100K
100K
R1
16K
R2
16K
-
R3
100K
+
VIN
C2
0.01µF
1/2 AP358
-
VO
1/2 AP358
+
+V1
+V2
VO
1/2 AP358
-
R3
100K
+
VO
R1
R2
R4
R3
(CMRR depends on this
resistor ratio match)
fO = 1KHz
Q = 1
AV=2
For
=
R4
100K
R4
0
fO
VO = (1+
)(V -V1)
2
R3
As Shown: VO = 2(V2-V1)
High Input Z, DC Differential Amplifier
DC Coupled Low-Pass RC Active Filter
AP358 Rev. 4
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Typical Single-Supply Circuit ( Continued ) ( V+ = 5.0 VDC
)
C1
0.01µF
R4
390K
R6
120K
R1
390K
C2
0.01µF
VIN
-
R5
39K
R3
680
1/2 AP358
-
R2
+
620K
VO
1/2 AP358
+
R7
R8
+
C3
100K 100K
10µF
V+
fO= 1.12KHz
Q = 25
Bandpass Active Filter
R2
100K
-
-
R3
R4
100K 100K
+VO
1/2 AP358
IIN
IB
1/2 AP358
+VIN
IB
+
+V1
R1
2K
+
-
1/2 AP358
GAIN ADJUST
R5
100K
-
2N929*
VO
0.001µF
IB
*hi β AT 50 nA
+
-
IB
2R
3M
1/2 AP358
1/2 AP358
R6
R7
+
+V2
+
100K 100K
IB
AUX AMP
R
INPUT CURRENT
COMPENSATION
1.5M
If R1 = R5 & R3 = R4 = R6 = R7 (CMRR depends on match)
2R2
V
O =( 1+
)(V -V1)
2
R1
As Shown: VO = 101(V2-V1)
Using Symmetrical Amplifiers to Reduce
Input Current (General Concept)
High Input Z Adjustable-Gain
DC Instrumentation Amplifier
AP358 Rev. 4
10 of 15
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Typical Characteristics ( TA = 25oC )
Large Signal Frequency Response
Supply Current
14
12
10
8
1.4
1.2
1
100K
+15
1K
VDC
VO
2K
+7VDC
V+
0.8
0.6
0.4
0.2
0
ID
mA
6
4
2
0
5V
10V 15V 20V 25V 30V 35V
Supply Voltage (V)
1k
10k 25K 50K 75K 100K 500K 1M
Input Frequency (Hz)
Current Limit
Open Loop Frequency Response
60
50
40
30
20
10
0
120
100
80
60
40
20
0
10M
V+=30V
V+
0.1
VIN
µF
VO
V+=15V
V+/2
+
IO
-40
0
25
41
60
80
100 125
Temperature (oC)
Input Frequency (Hz)
Voltage Follower Pulse Response
Voltage Follower Pulse Response (Small Signal)
TA=25oC
RL > 2.0K
V+ = 15VDC
TA = +25oC
eO
ein
V+ = +30VDC
50pF
AP358 Rev. 4
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Application Information
The AP358 series are op amps which operate with only a
single power supply voltage, have true-differential inputs, and
remain in the linear mode with an input common-mode voltage of
0 VDC. These amplifiers operate over a wide range of power
supply voltage with little change in performance characteristics.
At 25°C amplifier operation is possible down to a minimum supply
Capacitive loads which are applied directly to the output of
the amplifier reduce the loop stability margin. Values of 50pF can
be accommodated using the worst-case non-inverting unity gain
connection. Large closed loop gains or resistive isolation should
be used if larger load capacitance must be driven by the
amplifier.
voltage of 2.3 VDC
.
The bias network of the AP358 establishes a drain current
Precautions should be taken to insure that the power
supply for the integrated circuit never becomes reversed in
polarity or that the unit is not inadvertently installed backwards in
a test socket as an unlimited current surge through the resulting
forward diode within the IC could cause fusing of the internal
conductors and result in a destroyed unit.
which is independent of the magnitude of the power supply
voltage over the range of 3 VDC to 30 VDC
.
Output short circuits either to ground or to the positive
power supply should be of short time duration. Units can be
destroyed, not as a result of the short circuit current causing
metal fusing, but rather due to the large increase in IC chip
dissipation which will cause eventual failure due to excessive
function temperatures. Putting direct short-circuits on more than
one amplifier at a time will increase the total IC power dissipation
to destructive levels, if not properly protected with external
dissipation limiting resistors in series with the output leads of the
amplifiers. The larger value of output source current which is
available at 25°C provides a larger output current capability at
elevated temperatures (see typical performance characteristics)
than a standard IC op amp.
Large differential input voltages can be easily
accommodated and, as input differential voltage protection
diodes are not needed, no large input currents result from large
differential input voltages. The differential input voltage may be
larger than V+ without damaging the device. Protection should be
provided to prevent the input voltages from going negative more
than -0.3 VDC (at 25°C). An input clamp diode with a resistor to
the IC input terminal can be used.
To reduce the power supply current drain, the amplifiers
have a class A output stage for small signal levels which converts
to class B in a large signal mode. This allows the amplifiers to
both source and sink large output currents. Therefore both NPN
and PNP external current boost transistors can be used to extend
the power capability of the basic amplifiers. The output voltage
needs to raise approximately 1 diode drop above ground to bias
the on-chip vertical PNP transistor for output current sinking
applications.
The circuits presented in the section on typical
applications emphasize operation on only a single power supply
voltage. If complementary power supplies are available, all of the
standard op amp circuits can be used. In general, introducing a
pseudo-ground (a bias voltage reference of V+/2) will allow
operation above and below this value in single power supply
systems. Many application circuits are shown which take
advantage of the wide input common-mode voltage range which
includes ground. In most cases, input biasing is not required and
input voltages which range to ground can easily be
accommodated.
For ac applications, where the load is capacitively coupled
to the output of the amplifier, a resistor should be used, from the
output of the amplifier to ground to increase the class A bias
current and prevent crossover distortion. Where the load is
directly coupled, as in dc applications, there is no crossover
distortion.
AP358 Rev. 4
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AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Marking Information
(1) SOP-8L
(Top view)
Logo
Internal Code
AP358
YY W
Part Number
:
L
Lead-Free
W
X X
(Note 12)
Green
:
G
WW: Xth week:01~52
: " 01 " = 2001
YY: Year
02 " = 2002
Note: 12. Green is for SOP-8L.
(2) PDIP-8L
( Top view)
Logo
Internal Code
AP358
Part Number
YY W
W
X
WW: Xth week:01~52
: " 01 " = 2001
YY: Year
02 " = 2002
Marking Code Table
Device
Package
Marking Code
Date Code
AP358S
SOP-8L
AP358
YYWW
YYWW
AP358N
PDIP-8L
AP358
AP358 Rev. 4
13 of 15
OCTOBER 2006
www.diodes.com
© Diodes Incorporated
AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
Package Information ( All Dimensions in mm )
(1) SOP- 8L
Gauge Plane
Seating Plane
0.38/1.27
Detail "A"
7°~9°
7°~9°
0.35max.
45°
Detail "A"
0.3/0.5
3.70/4.10
1.27typ
4.80/5.30
(2) PDIP- 8L
AP358 Rev. 4
14 of 15
OCTOBER 2006
www.diodes.com
© Diodes Incorporated
AP358
LOW POWER DUAL OPERATIONAL AMPLIFIERS
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agreeto hold DiodesIncorporatedand all the companieswhose productsare represented onour website, harmlessagainst all damages.
LIFE SUPPORT
Diodes Incorporated productsare notauthorizedfor use ascriticalcomponentsin lifesupportdevices or systemswithout theexpressed written approval ofthe
PresidentofDiodesIncorporated.
AP358 Rev. 4
15 of 15
OCTOBER 2006
www.diodes.com
© Diodes Incorporated
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