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PDF CSPEMI400 Data sheet ( Hoja de datos )
| Número de pieza | CSPEMI400 | |
| Descripción | SIM Card EMI Filter Array with ESD Protection | |
| Fabricantes | California Micro Devices | |
| Logotipo |  |
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CSPEMI400www.DataSheet4U.com
SIM Card EMI Filter Array with ESD Protection
Features
• Three channels of EMI filtering, each with ESD
protection
• Two additional channels of ESD-only protection
• ±10kV ESD protection (IEC 61000-4-2, contact
discharge)
• ±25kV ESD protection (HBM)
• Greater than 30dB of attenuation at 1GHz
• 10-bump, 1.960mm x 1.330mm footprint Chip
Scale Package (CSP)
• Lead-free version available
Applications
• SIM Card slot 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
Product Description
CAMD's CSPEMI400 is an EMI filter array with ESD
protection, which integrates three pi filters (C-R-C) and
two additional channels of ESD protection. The
CSPEMI400 has component values of 20pF-47Ω-
20pF, and 20pF-100Ω-20pF. The parts include ava-
lanche-type ESD diodes on every pin, which provide a
very high level of protection for sensitive electronic
components that may be subjected to electrostatic dis-
charge (ESD). The ESD diodes connected to the filter
ports safely dissipate ESD strikes of ±10kV, exceeding
the maximum requirement of the IEC 61000-4-2 inter-
national standard. Using the MIL-STD-883 (Method
3015) specification for Human Body Model (HBM)
ESD, the pins are protected for contact discharges at
greater than ±25kV.
The ESD diodes on pins A4 and C4 ports are designed
and characterized to safely dissipate ESD strikes of
±10kV, well beyond the maximum requirement of the
IEC 61000-4-2 international standard.
This device is particularly well suited for portable elec-
tronics (e.g. mobile handsets, PDAs, notebook com-
puters) because of its small package format and easy-
to-use pin assignments. In particular, the CSPEMI400
is ideal for EMI filtering and protecting data lines from
ESD for the SIM card slot in mobile handsets.
The CSPEMI400 is available in a space-saving, low-
profile Chip Scale Package with optional lead-free fin-
ishing.
Electrical Schematic
A1
R1
CC
R1
A3
CC
C1 A2
GND
C3 A4
R2
CC
CC
C2
C4
B2,B4
R1=100Ω
R2=47Ω
© 2005 California Micro Devices Corp. All rights reserved.
09/28/05
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.cmd.com
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CSPEMI400www.DataSheet4U.com
Performance Information (cont’d)
Typical Filter Performance (nominal conditions unless specified otherwise, 50 Ohm Environment)
Figure 3. A3-C3 EMI Filter Performance
Figure 4. Typical Diode Capacitance vs. Input Voltage (normalized to 2.5VDC)
© 2005 California Micro Devices Corp. All rights reserved.
09/28/05
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.cmd.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CSPEMI400.PDF ] | |
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