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EMI9404 데이터시트 PDF




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부품번호 EMI9404 기능
기능 4-Channel EMI Array
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EMI9404 데이터시트, 핀배열, 회로
EMI9404
PRAETORIAN) III
4-Channel EMI Array with
ESD Protection
Description
The EMI9404 is an inductorbased (LC) EMI filter array with
ESD protection, which integrates four filters in a UDFN package with
0.40 mm pitch. Each EMI filter channel of the EMI9404 is
implemented with the component value of
1.8 pF35 nH–4.7 pF35 nH– 6 pF. The cutoff frequency at 3 dB
attenuation is 300 MHz and can be used in applications where the data
rates are as high as 160 Mbps, while providing greater than 35 dB
attenuation over the 800 MHz to 2.7 GHz frequency range. The parts
include ESD diodes on every I/O pin and provide a high level of
protection against electrostatic discharge (ESD). The ESD protection
diodes connected to the external filter ports are designed and
characterized to safely dissipate ESD strikes of ±14 kV, which is
beyond the maximum requirement of the IEC6100042 international
standard.
This device is particularly well suited for wireless handsets, mobile
LCD modules and PDAs because of its small package format and
easytouse pin assignments. In particular, the EMI9404 is ideal for
EMI filtering and protecting data and control lines for the LCD display
and camera interface in mobile handsets.
The EMI9404 is housed in space saving, low profile, 0.40 mm pitch
UDFN packages in a RoHS compliant, PbFree format.
Features
Four Channels of EMI Filtering with Integrated ESD Protection
±14 kV ESD Protection (IEC 6100042, contact discharge) at
External Pin
Greater than 40 dB Attenuation (typical) at 1 GHz
UDFN PbFree Package with 0.40 mm Lead Pitch:
4ch. = 8lead UDFN
UDFN Package Size: 8lead: 1.70 mm x 1.35 mm
Increased Robustness Against Vertical Impacts During
Manufacturing Process
These Devices are PbFree and are RoHS Compliant
http://onsemi.com
MARKING
DIAGRAMS
8 UDFN8
L4 MG
1
CASE 517BC 1
G
L4 = Specific Device Code
M = Date Code
G = PbFree Package
(*Note: Microdot may be in either location)
PINOUTS
Internal Pins
(Lower ESD Event)
1 23 4
GND
8 76 5
External Pins
(Higher ESD Event)
(Bottom View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
Applications
LCD and Camera Data Lines in Mobile Handsets
I/O Port Protection for Mobile Handsets, Notebook
Computers, PDAs etc.
EMI Filtering for Data Ports in Cell Phones, PDAs or
Notebook Computers
Wireless Handsets
Handheld PCs/PDAs
LCD and Camera Modules
© Semiconductor Components Industries, LLC, 2013
January, 2013 Rev. 1
1
Publication Order Number:
EMI9404/D




EMI9404 pdf, 반도체, 판매, 대치품
EMI9404
VOLTAGE (V)
Figure 4. Positive TLP IV Curve
Transmission Line Pulse (TLP) Measurement
Transmission Line Pulse (TLP) provides current versus
voltage (IV) curves in which each data point is obtained
from a 100 ns long rectangular pulse from a charged
transmission line. A simplified schematic of a typical TLP
system is shown in Figure 6. TLP IV curves of ESD
protection devices accurately demonstrate the product’s
ESD capability because the 10s of amps current levels and
under 100 ns time scale match those of an ESD event. This
is illustrated in Figure 7 where an 8 kV IEC 6100042
current waveform into a short is compared with TLP current
pulses at 8 A and 16 A, also into a short. A TLP IV curve
shows the voltage at which the device turns on, as well as
how well the device clamps voltage over a range of current
levels. Typical TLP IV curves for the EMI9404 are shown
in Figures 4 and 5 for positive and negative stress
respectively. Application note AND9007/D gives more
VOLTAGE (V)
Figure 5. Negative TLP IV Curve
detail on TLP datasheet parameters, while application note
AND9006/D provides a more complete explanation of the
use of TLP for understanding protection product
characteristics.
L
50 W Coax
Cable
S Attenuator
÷
50 W Coax
Cable
10 MW
IM VM
VC DUT
Oscilloscope
Figure 6. Simplified Schematic of a Typical TLP
System
Figure 7. Comparison Between 8 kV IEC 6100042 and 8 A and 16 A TLP Waveforms
http://onsemi.com
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