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4-Line EMI Filter with Integrated ESD Protection
AOZ8033
General Description
The AOZ8033 is an 4-line device integrating EMI filtering with ESD protection for each line. It is designed to suppress unwanted EMI/RFI signals and provide electrostatic discharge (ESD) protection in portable electronic equipment. This state-of-the-art device utilizes AOS leading edge Trench Vertical Structure [TVS]2 TM technology for superior clamping performance and filter attenuation over the full operating display range. The AOZ8033 has been optimized for protection of color LCD displays and CCD camera lines in cellular phones and other portable consumer electronic devices. The AOZ8033 consists of four identical circuits comprised of TVS diodes for ESD protection, and a resistor-capacitor network for EMI/RFI filtering. A series resistor value of 100 and a capacitance value of 28pF are used to achieve -35dB minimum attenuation from 800MHz to 3.0GHz. The TVS diodes provide effective suppression of ESD voltages in excess of 20kV (air discharge) and 20kV (contact discharge). This exceeds IEC 61000-4-2, level 4 ESD immunity test. The AOZ8033 comes in an RoHS compliant, 1.2mm x 1.8mm, 0.4mm pitch DFN package and is rated over a -40C to +85C ambient temperature range.
Features
4 lines for EMI filtering and ESD protection: - Exceeds IEC 61000-4-2, level 4 (ESD) immunity test - 20kV (air discharge) and 20kV (contact discharge)
Trench Vertical Structure [TVS]2 TM based technology used to achieve excellent ESD clamping & filter performance over the full operating display range Filter performance: -35db attenuation from 800MHz to 3.0GHz Low operating voltage: 5.0V Capacitance stability over wide range of voltages and temperatures DFN package: 1.2mm x 1.8mm, 0.4mm pitch Pb-Free device

Applications

EMI filtering and ESD protection for data lines LCD displays, camera interface, I/O interface Portable handheld devices, cell phones, PDA phones
Typical Application
D0
100
CH1
28pF
28pF
D1
100
CH2
28pF
28pF
LCD/Camera Module
D2
100
CH3
28pF
28pF
D3
100
CH4
28pF
28pF
Figure 1
Rev. 1.7 January 2009
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AOZ8033
Ordering Information
Part Number
AOZ8033DIL
Ambient Temperature Range
-40C to +85C
Package
DFN-8
Environmental
RoHS Compliant Green Product
All AOS products are offered in packages with Pb-free plating and compliant to RoHS standards. Parts marked as Green Products (with "L" suffix) use reduced levels of Halogens, and are also RoHS compliant. Please visit www.aosmd.com/web/quality/rohs_compliant.jsp for additional information.
Pin Configuration
1 8
8 7 6 5
Exposed Pad (GND)
1
2 7
2 3 4
4 5 3 6
DFN-8
(Bottom View)
Top View
Pin Description
Pin Number
1, 8 2, 7 3, 6 4, 5 Exposed Pad
Pin Name
CH 1 CH 2 CH 3 CH 4 GND
Pin Function
Channel 1 Connections Channel 2 Connections Channel 3 Connections Channel 4 Connections Common Ground Connection
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AOZ8033
Absolute Maximum Ratings
Exceeding the Absolute Maximum ratings may damage the device.
Parameter
Storage Temperature (TS) ESD Rating per IEC61000-4-2, contact ESD Rating per IEC61000-4-2, air
(1) (1)
Rating
-65C to +150C 20kV 20kV 30kV
ESD Rating per Human Body Model(2)
Notes: 1. IEC 61000-4-2 discharge with CDischarge = 150pF, RDischarge = 330.
2. Human Body Discharge per MIL-STD-883, Method 3015 CDischarge = 100pF, RDischarge = 1.5k.
Electrical Characteristics
TA = 25C unless otherwise specified.
Symbol
VRWM VBR IR VCL
Parameter
Reverse Working Voltage Reverse Breakdown Voltage Reverse Leakage Current Signal Clamp Voltage
(3)
Conditions
IT = 1mA(4)
Min.
6
Typ.
7
Max.
5.0 8 0.1
Units
V V A V
VRWM = 3.3V ILOAD = 1A, positive ILOAD = 1A, negative clamp(5)(6) ILOAD = 5A, positive clamp(5)(6) ILOAD = 5A, negative clamp(5)(6) ILOAD = 12A, positive clamp(5)(6) ILOAD = 12A, negative clamp(5)(6) clamp(5)(6)
7.00 -3.00 8.00 -5.00 10.00 -10.00 90 100 90 -35 -35 110
RCH fC
Total Series Resistance Cut-off Frequency Attenuation from 800MHz to 3.0GHz Attenuation from 800MHz to 3.0GHz
IR = 20mA Measured with 50 source and 50 load termination VR = 0V Measured with 50 source and 50 load termination VR = 5V Measured with 50 source and 50 load termination
MHz dB dB
Notes: 3. The working peak reverse voltage, VRWM, should be equal to or greater than the DC or continuous peak operating voltage level. 4. VBR is measured at the pulse test current IT. 5. Measurements performed using a 100ns Transmission Line Pulse (TLP) system. 6. Guaranteed by design.
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AOZ8033
Typical Performance Characteristics
Insertion Loss Characteristics
0 -5 -10 -15 S21 (db) -20 -25 -30 -35 -40 -45 -50 1 10 100 Frequency (MHz) 1000 10000
Typical Line Capacitance vs. Reverse Bias Voltage (Normalized to Capacitance @ 2.5V)
1.8 1.6 Normalized Capacitance 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0
1.0
2.0
3.0
4.0
5.0
Reverse Biased Voltage (V)
Analog Crosstalk
0 11
Clamping Voltage vs. Peak Pulse Current
Clamping Voltage, Vcl (V)
-20
10
S21 (db)
-40
9
-60
8
-80
7
-100 1 10 100 Frequency (MHz) 1000 10000
6 0 2 4 6 8 10 12 Peak Pulse Current, Ipp (A)
Forward Voltage vs. Forward Current
12 110
Typical Resistance vs. Temperature
10 105 Forward Voltage (V) 8 Resistance ()
100
6
4
95
2 0 2 4 6 8 10 12 Forward Current (A)
90 -45
-25
-5
5
25
45
65
85
Temparature (C)
Rev. 1.7 January 2009
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AOZ8033
Package Dimensions, DFN 1.2 x 1.8, 8L
D1 D b e
D2 E L Pin 1 Marking E1
TOP VIEW BOTTOM VIEW
Pin 1 ID (C0.2x45)
A
SIDE VIEW
A1 A3
Dimensions in millimeters
Symbols A Min. 0.50 0.00 Nom. 0.55 Max. 0.60
Dimensions in inches
Symbols A A1 A3 b D D1 D2 E E1 e L Min. 0.020 0.000 Nom. 0.022 Max. 0.024
RECOMMENDED LAND PATTERN
0.20 0.20 1.00 0.20 0.20 0.20
A1 A3 b D D1 D2 E E1 e L
-- 0.05 0.152 Ref. 0.15 0.20 0.25 1.75 0.95 1.15 0.25 0.20 1.80 1.00 1.85 1.05
-- 0.002 0.006 Ref. 0.006 0.008 0.010 0.069 0.037 0.045 0.010 0.008 0.071 0.039 0.073 0.041
0.30
1.00
0.200 Ref. 1.20 1.25 0.30 0.35 0.40 BSC 0.25 0.30
0.008 Ref. 0.047 0.049 0.012 0.014 0.016 BSC 0.010 0.012
0.40
0.20
0.30
Notes: 1. Controlling dimension is millimeter, converted inch dimensions are not necessaily exact. 2. Warpage shall not exceed 0.10mm. 3. Marking is for package orientation reference only.
Rev. 1.7 January 2009
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AOZ8033
Tape and Reel Dimensions, DFN 1.2 x 1.8, 8L
Carrier Tape
P1 P2 D0 D1 E1 E2 B0 Ref. 5 T P0 A0 Feeding Direction
UNIT: mm
K0
E
Package DFN 1.8x1.2
A0 1.32 0.05
B0 1.92 0.05
K0 0.75 0.05
D0 o1.55 0.05
D1 E o0.55 8.00 0.05 +0.3/-0.1
E1 1.75 0.1
E2 3.50 0.05
P0 4.00 0.1
P1 4.0 0.1
P2 2.0 0.05
T 0.25 0.05
Reel
W1 S
K M G R H W
UNIT: mm
N
Tape Size Reel Size 8mm o178
M o178.0 1.0
N o60.0 1.0
W 11.80 0.5
W1
H
S
K
G o9.8
R --
9.0 o13.0 0.5 +0.5/-0.2
2.40 10.25 0.10 0.2
Leader / Trailer & Orientation
Trailer Tape 300mm Min.
Components Tape Orientation in Pocket
Leader Tape 500mm Min.
Rev. 1.7 January 2009
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Page 6 of 7
AOZ8033
Package Marking
AAH15
Part Number Code Underline Denotes Green Product Assembly Lot Code Week and Year Code
This data sheet contains preliminary data; supplementary data may be published at a later date. Alpha & Omega Semiconductor reserves the right to make changes at any time without notice. LIFE SUPPORT POLICY ALPHA & OMEGA SEMICONDUCTOR PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support, device, or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
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