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PDF CSPEMI306A Data sheet ( Hoja de datos )
| Número de pieza | CSPEMI306A | |
| Descripción | 6 Channel EMI Filter Array with ESD Protection | |
| Fabricantes | California Micro Devices | |
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6 Channel EMI Filter Array with ESD Protection
Features
• Six channels of EMI filtering for data ports
• Pi-style EMI filters in a capacitor-resistor-capacitor
(C-R-C) network
• Greater than 32dB attenuation at 1GHz
• +15kV ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
• +30kV ESD protection on each channel (HBM)
• Chip Scale Package features extremely low
lead inductance for optimum filter and ESD
performance
• 15-bump, 2.960mm X 1.330mm footprint
Chip Scale Package (CSP)
• Lead-free version available
Applications
• EMI filtering and ESD protection for both data
and I/O ports
• Wireless Handsets
• Handheld PCs / PDAs
• MP3 Players
• Notebooks
• Desktop PCs
Product Description
The CSPEMI306A is a six channel low-pass filter array
that reduces EMI/RFI emissions while at the same time
providing ESD protection. It is used on data ports on
mobile devices. To reduce EMI/RFI emissions, the
CSPEMI306A integrates a pi-style filter (C-R-C) for
each of the 6 channels. Each high quality filter provides
greater than 30dB attenuation in the 800-2700 MHz
range. These pi-style filters also support bidirectional
filtering, controlling EMI both to and from a data port
connector.
In addition, the CSPEMI306A provides a very high
level of protection for sensitive electronic components
that may be subjected to electrostatic discharge (ESD).
The input pins are designed and characterized to
safely dissipate ESD strikes of 15kV, exceeding the
maximum requirement of the IEC 61000-4-2 interna-
tional standard. Using the MIL-STD-883 (Method 3015)
specification for Human Body Model (HBM) ESD, the
device provides protection for contact discharges to
greater than 30kV.
The CSPEMI306A is particularly well suited for porta-
ble electronics (e.g., cellular telephones, PDAs, note-
book computers) because of its small package footprint
and low weight. The CSPEMI306A is available in a
space-saving, low-profile Chip Scale Package with
optional lead-free finishing.
Electrical Schematic
FILTERn*
100Ω
30pF
30pF
FILTERn*
GND
(Pins B1-B3)
1 of 6 EMI/RFI + ESD Channels
* See Package/Pinout Diagram for expanded pin information.
© 2003 California Micro Devices Corp. All rights reserved.
10/10/03 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214
L Fax: 408.263.7846 L www.calmicro.com
1
1 page  
Performance Information (cont’d)
Typical Filter Performance (TA=25°C, DC Bias=0V, 50 Ohm Environment)
CwwSwP.DaEtaMSheIe3t40U.6coAm
Figure 3. Insertion Loss VS. Frequency (A3-C3 to GND B2)
Figure 4. Insertion Loss VS. Frequency (A4-C4 to GND B2)
© 2003 California Micro Devices Corp. All rights reserved.
10/10/03 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214
L Fax: 408.263.7846 L www.calmicro.com
5
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| PDF Descargar | [ Datasheet CSPEMI306A.PDF ] | |
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