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PDF CM1402 Data sheet ( Hoja de datos )
| Número de pieza | CM1402 | |
| Descripción | SIM Card EMI Filter Array with ESD Protection | |
| Fabricantes | California Micro Devices | |
| Logotipo |  |
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CM1402www.DataSheet4U.com
SIM Card EMI Filter Array with ESD Protection
Features
• Functionally and pin compatible with CMD’s
CSPEMI400
• OptiGuard™ coated for improved reliability at
assembly
• 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) on all pins
• ±25kV ESD protection (HBM)
• Greater than 30dB of attenuation at 1GHz
• 10-bump, 1.960mm x 1.330mm footprint Chip
Scale Package (CSP)
• Chip Scale Package features extremely low
lead inductance for optimum filter and ESD
performance
• 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 CM1402 is an EMI filter array with ESD pro-
tection, which integrates three pi filters (C-R-C) and
two additional channels of ESD protection. The
CM1402 has component values of 20pF-47Ω-20pF,
and 20pF-100Ω-20pF. The parts include avalanche-
type ESD diodes on every pin, which provide a very
high level of protection for sensitive electronic compo-
nents that may be subjected to electrostatic discharge
(ESD). The ESD diodes connected to the filter ports
are designed and characterized to safely dissipate
ESD strikes of ±10kV, beyond the maximum require-
ment of the IEC 61000-4-2 international standard.
Using the MIL-STD-883 (Method 3015) specification
for Human Body Model (HBM) ESD, the pins are pro-
tected 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 CM1402 is
ideal for EMI filtering and protecting data lines from
ESD for the SIM card slot in mobile handsets.
The CM1402 incorporates OptiGuard™ coating which
results in improved reliability at assembly.The CM1402
is available in a space-saving, low-profile Chip Scale
Package with optional lead-free finishing.
Electrical Schematic
A1
R1
CC
R1
A3
CC
C1 A2
GND
C3 A4
R2
CC
CC
C2
C4
B1,B2
R1=100Ω
R2=47Ω
© 2005 California Micro Devices Corp. All rights reserved.
11/02/05
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.cmd.com
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1 page  
CM1402www.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.
11/02/05
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 CM1402.PDF ] | |
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