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EMIF01-10005W5 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer EMIF01-10005W5
Beschreibung EMI FILTER INCLUDING ESD PROTECTION
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 10 Seiten
EMIF01-10005W5 Datasheet, Funktion
®
Application Specific Discretes
A.S.D.TM
EMIF01-10005W5
EMI FILTER
INCLUDING ESD PROTECTION
MAIN APPLICATIONS
Where EMI filtering in ESD sensitive equipment is required :
Computers and printers
Communication systems
Mobile phones
MCU Boards
DESCRIPTION
The EMIF01-10005W5 is a highly integrated array
designed to suppress EMI / RFI noise in all systems
subjected to electromagnetic interferences.
Additionally, this filter includes an ESD protection circuitry
which prevents the protected device from destruction when
subjected to ESD surges up to 15 kV.
SOT323-5L
FUNCTIONAL DIAGRAM
BENEFITS
Cost-effectiveness compared to discrete solution
EMI bi-directional low-pass filter
High efficiency in ESD suppression.
High flexibility in the design of high density boards
Very low PCB space consuming : 4.2 mm2 typically
High reliability offered by monolithic integration
COMPLIES WITH THE FOLLOWING STANDARD:
IEC 1000-4-2
15kV (air discharge)
8 kV (contact discharge)
ESD response to IEC1000-4-2 (16 kV air discharge)
I1
GND
I2
RI/O = 100
CIN = 50pF
Filtering response
dB
0
O1
O2
-10
TM : ASD is trademark of STMicroelectronics.
May 1999 - Ed: 1
-20
-30
1
f(MHz)
10 100
1000 2000
1/10






EMIF01-10005W5 Datasheet, Funktion
EMIF01-10005W5
CROSSTALK BEHAVIOR
1- Crosstalk phenomena
Fig A7 : Crosstalk phenomena
RG1
VG1
RG2
VG2
DRIVERS
line 1
line 2
RL1 α VG1 β VG2
RL2 α VG2 β VG1
RECEIVERS
2- Digital Crosstalk
Fig A8 : Digital crosstalk measurement
+5V
74HC04
Line 1
Square
Pulse
Generator
5KHz
+5V
VG1
Line 2
+5V
74HC04
EMIF01
-10005W5
β21 VG1
Figure A8 shows the measurement circuit used to quantify the crosstalk effect in a classical digital application.
Figure A9 shows that in such a condition signal from 0 to 5V and rise time of 3 ns, the impact on the disturbed line is less
than 100mV peak to peak. No data disturbance was noted on the concerned line. The same results were obtained with
falling edges.
Fig A9 : Digital crosstalk results
6/10

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