AZV5002

AZV5002
Low Power Audio Jack Detector with
SEND/END Detection in Miniaturized Package
Description
Pin Assignments
NEW PRODUCT
The AZV5002 is a low power and cost effective headset detection IC
with a comparator with internal hysteresis, OR gate, and N-channel
MOSFET integrated designed to detect the assertion of a headset with
a microphone.
AZV5002
Pull−
up resistors for the detection pins are internalized, a built in resistor
divider provides the reference voltage for detecting the left audio
channel. The logic low output of the OR gate indicates the headset has
been connected properly.
The AZV5002 is available in miniaturized package, U-QFN1418-10
which helps reduce the space needed on PCB boards.
S/E_DET
8
S/E_REF
9
VDD2
10


Low Supply Current: 5µA (Typical) @ VDD = 1.8V
Supply Voltage Range: 1.6~5.5V
Comparator, OR Gate, N-Channel MOSFET Integrated
Open Drain Output for MIC Pin
U-QFN1418-10: Available in “Green” Molding Compound (No Br.
Sb.)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device(Note 3)
Notes:
DET
7
6
1
2
GND
MIC
5
GND_DET
4
L_DET
3
VDD
Top View
(U-QFN1418-10)
Features





S/E
Fig. 1
Applications




Mobile Phones
Tablet
Battery Powered Devices
Alarm and Security Systems
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AZV5002
Document number: DS38465 Rev. 1 - 2
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© Diodes Incorporated
AZV5002
Typical Applications Circuit
VDD2
S/E_REF
S/E_DET
GPIO_B
VDD2
Baseband
AZV5002
NEW PRODUCT
GPIO_A
2.2K
S/E
MIC_Bias
VDD
MIC
MIC
VDD
Audio Codec
MIC_IN
VDD
270K
L_CH
R_CH
VDD
1M
1M
VDD
L_DET
DET
GND
Send
/End
M
GND_DET
G
R
L
Note: L: Left Channel
R: Right Channel
G: Ground
M: Microphone
Fig. 2
Output Logic
Inputs
Outputs
Headset
L_DET
GND_DET
DET
MIC
0
0
0
1 (External Pull-Up)
Detected
0
1
1
0
Not Detected
1
0
1
0
Not Detected
1
1
1
0
Not Detected
AZV5002
Document number: DS38465 Rev. 1 - 2
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© Diodes Incorporated
AZV5002
Pin Descriptions
NEW PRODUCT
AZV5002
Pin Name
Pin
Number
Type
GND
1
Power
Connects to system ground.
MIC output pin with open drain output type. When the headset is asserted, then MIC is pulled up to
MIC
2
Output
the MIC bias voltage with a pull-up resistor. When the headset is not asserted, then MIC is pulled
low.
VDD
3
Power
System power supply. A bypass capacitor of 0.1F is recommended as close as possible to the pin.
L_DET
4
Input
Left channel detection pin. Connect to audio jack L_DET, this pin is pulled low when the headset is
present.
GND_DET
5
Input
Ground pin detection pin. Connect to audio jack GND_DET, this pin is pulled low when the headset
is present.
DET
6
Output
DET is a logic output that indicates whether the headset has been properly inserted.
S/E
7
Output
S/E is an output port indicates SEND/END button condition. When SEND/END button press is
detected, S/E output is at low level.
S/E_DET
8
Input
Non-inverting input of the comparator detects whether the SEND/END button has been pressed.
S/E_REF
9
Input
Inverting input of the comparator to set a voltage reference with an external resistor divider.
VDD2
10
Power
Function
System power supply for the S/E detection comparator. A bypass capacitor of 0.1F is
recommended as close as possible to the pin.
Functional Block Diagram
S/E_REF
S/E_DET VDD2
AZV5002
S/E
VDD
MIC
VDD
VDD
270K
VDD
1M
1M
VDD
DET
1M
L_DET
GND
GND_DET
Fig.3
AZV5002
Document number: DS38465 Rev. 1 - 2
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AZV5002
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Symbol
NEW PRODUCT
VDD
VDD2
Parameter
Supply Voltage
Min
Max
Unit
0
6
V
VIN
Input Pin Voltage Range (L_DET, GND_DET)
-0.1
VDD+0.1
V
VIN
I Input Pin Voltage Range (S/E_REF, S/E_DET)
-0.1
VDD2+0.1
V
VMIC
MIC Output Pin Voltage Range
0
6
V
IMIC
Max Current on MIC Pin
-
2
mA
TJ
Junction Temperature
-40
+150
°C
TSTG
Storage Temperature
-65
+150
°C
ESD
ILATCH-UP
Note 4:
HBM
8000
V
MM
200
V
Latch-Up Current (Note 4)
800
mA
Latch-up test at VDD/VDD2 = 3V condition.
Recommended Operating Ratings (@TA = +25°C, unless otherwise specified.)
Symbol
VDD
VDD2
VIN
VMIC_BIAS
TA
TJ
Parameter
Power Supply Voltage
Input Voltage
MIC Bias Voltage
Ambient Temperature
Junction Temperature
AZV5002
Document number: DS38465 Rev. 1 - 2
Condition
Headset Detection Circuit
S/E Detection Comparator
L_DET, GND_DET
S/E_DET, S/E_REF
-
4 of 15
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Min
1.6
1.6
0
0
0
-40
-40
Max
5.5
5.5
VDD
VDD2
5.5
+85
+125
Unit
V
V
V
V
V
°C
°C
March 2016
© Diodes Incorporated
AZV5002
Electrical Characteristics (Typical Values are referenced to TA = +25°C, VDD = 1.8V, VDD2 = 2.1V, unless otherwise noted.
Min/max values apply from TA = -40 to +85°C, unless otherwise noted.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IDD
Headset Detection Circuit
VGND-Det = 1.8V, VL_Det = 1.8V
-
5
8
A
IDD2
S/E Detection Comparator
VDD = 1.8V, VDD2 = 2.1V
-
4
6
A
NEW PRODUCT
Input Characteristics of L_Det
VIH
Input Logic High
VDD = 1.8V
1.5
-
-
V
VIL
Input Logic Low
VDD = 1.8V
-
-
1.33
V
tpLH
Propagation Delay to DET_ tpLH
-
250
-
ns
tpHL
Propagation Delay to DET_ tpHL
-
450
-
ns
CIN
Input Capacitance
f = 1MHz
-
3
-
pF
IIH
Low Voltage Input Leakage
VL_Det = 0V
-
0.8
-
A
IIL
High Voltage Input Leakage
VL_Det = 1.8V
-
2.4
-
nA
COUT = 15pF, VGND-Det = 0V,
VL_Det = 1.31~1.52V
COUT = 15pF, VGND-Det = 0V,
VL_Det = 1.31~1.52V
Input Characteristics of GND_Det
VIH
Input Logic High
VDD = 1.8V
1.17
-
-
V
VIL
Input Logic Low
VDD = 1.8V
-
-
0.63
V
tpLH
Propagation Delay to DET_ tpLH
-
10
-
ns
tpHL
Propagation Delay to DET_ tpHL
-
10
-
ns
CIN
Input Capacitance
f = 1MHz
-
3
-
pF
IIH
Low Voltage Input Leakage
VL_Det = 0V
-
0.8
-
A
IIL
High Voltage Input Leakage
VL_Det = 1.8V
-
2.7
-
nA
COUT = 15pF, VL_Det = 0V,
VGND-Det = 0~1.8V, RL = 1MΩ
COUT = 15pF, VL_Det = 0V,
VGND-Det = 0~1.8V, RL = 1MΩ
Output Characteristics of DET
VOH
Voltage Output High
VDD = 1.8V, IOH = -0.1mA
1.6
-
-
V
VOL
Voltage Output Low
VDD = 1.8V, IOL = 0.1mA
-
-
0.1
V
TRISE
Rise Time
COUT = 15pF, RL =1MΩ
-
5
-
ns
TFALL
Fall Time
COUT = 15pF, RL =1MΩ
-
5
-
ns
Input Characteristics of S/E_REF & S/E_DET
tpLH
Propagation Delay to S/E_ tpLH
COUT = 15pF, VCM = mid−supply, 100 mV
overdrive
-
300
-
ns
tpHL
Propagation Delay to S/E_ tpHL
COUT = 15pF, VCM = mid−supply, 100 mV
overdrive
-
200
-
ns
Input Leakage
VCM = 0.9V
-
150
-
pA
IIL
AZV5002
Document number: DS38465 Rev. 1 - 2
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AZV5002
Electrical Characteristics (Cont. Typical Values are referenced to TA = +25°C, VDD = 1.8V, VDD2 = 2.1V, unless otherwise noted.
Min/max values apply from TA = -40 to +85°C, unless otherwise noted.)
Symbol
CIN
Parameter
Conditions
Min
Typ
Max
S/E_DET, f = 1MHz
-
3
-
S/E_REF, f = 1MHz
-
11
-
Input Capacitance
Unit
pF
NEW PRODUCT
Output Characteristics of S/E
VOH
Voltage Output High
VDD = 1.8V, IOH = -0.1mA
1.9
-
-
V
VOL
Voltage Output Low
VDD = 1.8V, IOH = 0.1mA
-
-
0.1
V
TRISE
Rise Time
COUT = 15pF, RL = 1MΩ
-
10
-
ns
TFALL
Fall Time
COUT = 15pF, RL = 1MΩ
-
10
-
ns
-
1000
-
ns
-
350
-
ns
-
0.55
1.3
Ω
Characteristics of MIC
COUT = 15pF, VGND-Det = 0,
tpLH
Propagation Delay to MIC_ tpLH
VL_Det =1.31V to 1.52V
RPU = 2.2K, MIC Bias = 2.3V
COUT = 15pF, VGND-Det = 0,
tpHL
Propagation Delay to MIC_ tpHL
VL_Det =1.31V to 1.52V
RPU = 2.2K, MIC Bias = 2.3V
RDS(ON)
Drain-Source On Resistor of
NMOS
AZV5002
Document number: DS38465 Rev. 1 - 2
IMIC = 1mA
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AZV5002
Performance Characteristics (Typical Values are referenced to VDD = 1.8V, VDD2 = 2.1V, unless otherwise noted.)
16
16
L_DET Floating
GND_DET Floating
L_DET to GND
GND_DET to GND
Supply Current - IDD(uA)
Supply Current - IDD (uA)
VDD=1.6V
12
VDD=1.8V
VDD=3.0V
VDD=5.0V
10
8
VDD=1.8V
VDD=3.0V
12
VDD=5.0V
10
8
6
6
-40
-25
-10
5
20
35
50
65
80
95
110
-40
125
-25
-10
5
20
35
50
65
80
95
110
125
O
Temperature ( C)
O
Temperature ( C)
Supply Current vs. Temperature
Supply Current vs. Temperature
4.0
L_DET Floating
GND_DET Floating
Supply Current - IDD2 (uA)
Supply Current - IDD (uA)
10
8
6
O
TA=25 C
O
TA=+85 C
O
TA=-40 C
4
2
3.6
VDD=1.8V
3.2
S/E_DET=0
S/E_REF=VDD2
2.8
2.4
2.0
1.6
O
TA=25 C
O
TA=+85 C
O
TA=-40 C
1.2
0.8
0.4
0
0.0
1
2
3
4
5
Supply Voltage- VDD (V)
1
6
2
3
4
5
6
Supply Voltage - VDD2 (V)
Supply Current vs. Supply Voltage
Supply Current vs. Supply Voltage
4.8
VDD=1.8V
2.4
S/E_DET=VDD2
4.6
S/E_REF=0
Supply Current - IDD2 (uA)
Supply Current - IDD2 (uA)
NEW PRODUCT
VDD=1.6V
14
14
4.4
4.2
4.0
VDD2=1.6V
VDD2=1.6V
VDD=1.8V
VDD2=2.1V
S/E_DET=0
S/E_REF=VDD2
VDD2=3.0V
2.2
VDD2=5.0V
2.0
1.8
1.6
VDD2=2.1V
3.8
VDD2=3.0V
1.4
VDD2=5.0V
3.6
-40
-25
-10
5
20
35
50
65
80
95
110
-40
125
O
Document number: DS38465 Rev. 1 - 2
-10
5
20
35
50
65
80
95
110
125
Temperature ( C)
Supply Current vs. Temperature
AZV5002
-25
O
Temperature ( C)
Supply Current vs. Temperature
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AZV5002
Performance Characteristics (Cont.) (Typical Values are referenced to VDD = 1.8V, VDD2 = 2.1V, unless otherwise noted.)
1.00
0.95
IMIC=5mA
0.90
VDD2=2.1V
VDD=1.6V
0.80
VDD=1.8V
0.75
MIC ON Resistor ()
MIC ON Resistor ()
0.95
VDD=3.0V
0.70
VDD=5.0V
0.65
0.60
0.55
0.50
0.45
0.90
VDD=1.6V
0.85
VDD=1.8V
0.80
VDD=3.0V
0.75
VDD=5.0V
IMIC=0.5mA
VDD2=2.1V
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.40
0.35
0.35
0.30
-40
-25
-10
5
20
35
50
65
80
95
110
0.30
125
-40
O
Temperature ( C)
-25
-10
5
20
35
50
65
80
95
110
125
O
Temperature ( C)
MIC ON Resistor vs. Temperature
MIC ON Resistor vs. Temperature
1.0
1.00
0.9
VDD=1.8V
0.95
VDD2=2.1V
0.90
TA=25 C
MIC ON Resistor - RMIC ()
MIC ON Resistor ()
O
0.8
0.7
0.6
0.5
IMIC=1.5mA
O
0.85
TA=25 C
0.80
VDD2=2.1V
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.4
0.35
0.30
0.3
1
2
3
4
5
6
7
8
9
1.5
10
2.0
2.5
RMIC (mA)
VDD2=2.1V
VDD=1.8V
2.5
O
TA=25 C
2.0
S/E_DET: Falling
S/E_DET: Rising
1.0
S/E_REF=VDD2/2
0.5
0.0
-0.5
1.00
1.01
1.02
1.03
1.04
1.05
1.06
1.07
1.08
1.09
1.10
Input Voltage -S/E_DET (V)
Document number: DS38465 Rev. 1 - 2
4.0
4.5
5.0
5.5
30
O
TA=-40 C
O
25
TA=+25 C
VDD2=2.1V
VDD=1.8V
O
TA=+85 C
20
15
10
0.0
0.5
1.0
1.5
2.0
Input Commond Voltage S/E_REF -VS/E_REF (V)
S/E Comparator Input Internal Hysteresis Voltage
AZV5002
3.5
MIC ON Resistor vs. Supply Voltage
S/E Comparator Input Hysterisis Voltage - VHY (mV)
3.0
1.5
3.0
Supply Voltage - VDD (V)
MIC ON Resistor vs. Drain Current
S/E Output Voltage (V)
NEW PRODUCT
0.85
1.00
S/E Comparator Input Internal Hysteresis Voltage Characteristics
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AZV5002
NEW PRODUCT
Performance Characteristics
(Cont.) (Typical Values are referenced to VDD = 1.8V, VDD2 = 2.1V, unless otherwise noted.)
L_DET to DET Propagation Delay
L_DET to DET Propagation Delay
GND_DET to DET Propagation Delay
GND_DET to DET Propagation Delay
VDD=1.8V, VDD2=2.1V,
GND_DET=0 to 1.8V
L_DETt=0
Rpull-High=2.2KΩ
MIC Bias=2.3V
VDD=1.8V, VDD2=2.1V,
GND_DET=0 to 1.8V,
L_DETt=0
Rpull-High=2.2KΩ
MIC Bias=2.3V
GND_DET to MIC Propagation Delay
AZV5002
Document number: DS38465 Rev. 1 - 2
GND_DET to MIC Propagation Delay
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AZV5002
Performance Characteristics (Cont.) (Typical Values are referenced to VDD = 1.8V, VDD2 = 2.1V, unless otherwise noted.)
NEW PRODUCT
VDD=1.8V, DD2=2.1V
L_DETt=1.31V~1.52V
GND_DET=0
Rpull-High=2.2KΩ
MIC Bias=2.3V
L_DET to MIC Propagation Delay
VDD=1.8V, DD2=2.1V
L_DETt=1.31V~1.52V
GND_DET=0
Rpull-High=2.2KΩ
MIC Bias=2.3V
L_DET to MIC Propagation Delay
VDD=1.8V, DD2=2.1V
CL=15pF, RL=1MΩ
S/E_REF=VDD2/2
VOD=100mV
VDD=1.8V, DD2=2.1V
CL=15pF, RL=1MΩ
S/E_REF=VDD2/2
VOD=100mV
S/E Output Propagation Delay
S/E Output Propagation Delay
S/E-DET to S/E Propagation Delay (nS)
1000
VDD=1.8V
900
VDD2=2.1V
800
S/E-REF=VDD2/2
700
TA=25 C
O
600
tPLH
500
tPHL
400
300
200
100
20
40
60
80
100
120
140
160
180
200
Input OVerdriver Voltage - VOD (mV)
S/E Comparator Output Propagation Delay
AZV5002
Document number: DS38465 Rev. 1 - 2
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AZV5002
Application Information
Supply Voltages
The AZV5002 works with a wide supply voltages range from 1.6V to 5.5V. VDD should be powered up before VDD2. The send/end detection
comparator will not be functional unless VDD and VDD2 are both applied. VDD2 can be connected to VDD or to a separate supply voltage, such as the
MIC bias voltage. Decoupling capacitors of 0.1uF should be placed as close as possible to each power supply pin.
NEW PRODUCT
Audio Jack Detection
TheAZV5002 is designed to simplify the detection of a stereo audio connector with a microphone contact. When the headset is not connected, the
internal pull−up resistors on L_DET and GND_DET pull those pins high. When the headset is connected to the switched audio jack, the headset
ground and left audio channel trigger L_DET and GND_DET to logic low.
The AZV5002 can work with either the CTIA or OMTP standard. In order to support both standards simultaneously, a cross point switch and
additional circuitry is necessary to detect and swap the ground and microphone pins.
Send/End Button Press Detection
A second integrated comparator allows the send/end signal to be compared with a reference voltage to detect whether the send/end button has
been pressed.
MIC Pin Biasing
The AZV5002 typical application circuit in Figure 2 shows the recommended 2.2KΩ pull-up resistor to the MIC bias voltage under supply voltage
1.8V condition. While the headset is not detected, the internal NMOS transistor is enabled to mute the MIC signal. If the MIC sink current is 1mA
under system application, the MIC pin is pulled near 5.5mV when the headset is not present. The internal NMOS transistor is optimized to sink up
to 2mA of current, allowing some flexibility in the selection of the pull-up resistor and MIC bias voltage.
AZV5002
Document number: DS38465 Rev. 1 - 2
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AZV5002
Ordering Information (Note 5)
NEW PRODUCT
AZV5002 DS - 7
Part Number
AZV5002DS-7
Note:
Package
Packing
DS : U-QFN1418-10
7 : Tape & Reel
7” Tape and Reel
Package
Code
Packaging
DS
U-QFN1418-10
Quantity
Part Number Suffix
3000/Tape & Reel
-7
5. Pad layout as shown in Diodes Incorporated’s package outline PDFs, which can be found on our website at
http://www.diodes.com/package-outlines.html.
Marking Information
U-QFN1418-10
(Top View)
XX
YWX
XX : Identification Code
Y : Year : 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : Internal Code
AZV5002
Document number: DS38465 Rev. 1 - 2
Part Number
Package
Identification Code
AZV5002DS-7
U-QFN1418-10
KG
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AZV5002
Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
U-QFN1418-10
A3
A
Seating Plane
NEW PRODUCT
A1
U-QFN1418-10
Dim
Min
Max
Typ
A
0.45
0.55
0.50
A1
0.00
0.05
0.02
A3
--0.13
b
0.15
0.25
0.20
D
1.35
1.45
1.40
E
1.75
1.85
1.80
e
--0.40
L
0.35
0.45
0.40
La
0.45
0.55
0.50
All Dimensions in mm
E
e
0
.10
R0 n1 ID
i
P
D
La
2
1
L(9x)
A
b
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
U-QFN1418-10
X2
X1
Dimensions
Y1
Y3 Y2
Y(10x)
X(9x)
C
X
X1
X2
Y
Y1
Y2
Y3
Value
(in mm)
0.400
0.600
0.700
2.100
0.300
0.700
1.100
1.700
C
AZV5002
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Taping Orientation (Note 6)
NEW PRODUCT
For U-QFN1418-10
Note:
6. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf
AZV5002
Document number: DS38465 Rev. 1 - 2
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© Diodes Incorporated
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IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
NEW PRODUCT
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2016, Diodes Incorporated
www.diodes.com
AZV5002
Document number: DS38465 Rev. 1 - 2
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March 2016
© Diodes Incorporated
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